/srv/reproducible-results/rbuild-rpm-lI5mRNQM/b1/erlang/erlang-doc-17.4-5.fc23.noarch.rpm vs.
/srv/reproducible-results/rbuild-rpm-lI5mRNQM/b2/erlang/erlang-doc-17.4-5.fc23.noarch.rpm
header
Offset 1, 36 lines modified Offset 1, 36 lines modified
1 HEADERIMMUTABLE:​·​000000350003e54c00000​03f000000070003e53c00​000010000000640000000​800000000000000010000​03e800000006000000020​0000001000003e9000000​060000000d00000001000​003ea0000000600000012​00000001000003ec00000​009000000190000000100​0003ed000000090000002​e00000001000003ee0000​000400000048000000010​00003ef00000006000000​4c00000001000003f1000​000040000006800000001​000003f60000000600000​06c00000001000003f800​000009000000710000000​1000003fc000000060000​008700000001000003fd0​00000060000009d000000​01000003fe00000006000​000a30000000100000404​00000004000000ac00000​6ee000004060000000300​001c64000006ee0000040​90000000300002a400000​06ee0000040a000000040​000381c000006ee000004​0b00000008000053d4000​006ee0000040c00000008​0001e782000006ee00000​40d000000040001ee7000​0006ee0000040f0000000​800020a28000006ee0000​04100000000800022cce0​00006ee00000414000000​0600024f7400000001000​004150000000400024f90​000006ee0000041700000​00800026b480000000100​0004180000000400026b5​400000004000004190000​000800026b64000000040​000041a0000000800026b​c70000000400000428000​0000600026be30000000·​✂ 1 HEADERIMMUTABLE:​·​000000350003e54c00000​03f000000070003e53c00​000010000000640000000​800000000000000010000​03e800000006000000020​0000001000003e9000000​060000000d00000001000​003ea0000000600000012​00000001000003ec00000​009000000190000000100​0003ed000000090000002​e00000001000003ee0000​000400000048000000010​00003ef00000006000000​4c00000001000003f1000​000040000006800000001​000003f60000000600000​06c00000001000003f800​000009000000710000000​1000003fc000000060000​008700000001000003fd0​00000060000009d000000​01000003fe00000006000​000a30000000100000404​00000004000000ac00000​6ee000004060000000300​001c64000006ee0000040​90000000300002a400000​06ee0000040a000000040​000381c000006ee000004​0b00000008000053d4000​006ee0000040c00000008​0001e782000006ee00000​40d000000040001ee7000​0006ee0000040f0000000​800020a28000006ee0000​04100000000800022cce0​00006ee00000414000000​0600024f7400000001000​004150000000400024f90​000006ee0000041700000​00800026b480000000100​0004180000000400026b5​400000004000004190000​000800026b64000000040​000041a0000000800026b​c70000000400000428000​0000600026be30000000·​✂
2 HEADERI18NTABLE:​·​ 2 HEADERI18NTABLE:​·​
3 ·​-​·​C 3 ·​-​·​C
4 SIGSIZE:​·​15592692 4 SIGSIZE:​·​15592704
5 SIGMD5:​·​1db21f4c97f60858b6dc2​a63836da8aa 5 SIGMD5:​·​c963bfe93b8363912966b​d25c398e1cd
6 SHA1HEADER:​·​10dfa442aa73965e2aabc​677652a33000b7b6800 6 SHA1HEADER:​·​7bf1b0ee8a4398f28a254​2ec3a331f3f0a3ce5c8
7 NAME:​·​erlang-​doc 7 NAME:​·​erlang-​doc
8 VERSION:​·​17.​4 8 VERSION:​·​17.​4
9 RELEASE:​·​5.​fc23 9 RELEASE:​·​5.​fc23
10 SUMMARY:​·​Erlang·​documentation 10 SUMMARY:​·​Erlang·​documentation
11 DESCRIPTION:​·​Documentation·​for·​Erlang.​ 11 DESCRIPTION:​·​Documentation·​for·​Erlang.​
12 BUILDTIME:​·​1457030991 12 BUILDTIME:​·​1457033964
13 BUILDHOST:​·​profitbricks-​build3-​amd64 13 BUILDHOST:​·​profitbricks-​build3-​amd64
14 SIZE:​·​161902233 14 SIZE:​·​161902232
15 LICENSE:​·​ERPL 15 LICENSE:​·​ERPL
16 GROUP:​·​Development/​Languages 16 GROUP:​·​Development/​Languages
17 URL:​·​http:​/​/​www.​erlang.​org 17 URL:​·​http:​/​/​www.​erlang.​org
18 OS:​·​linux 18 OS:​·​linux
19 ARCH:​·​noarch 19 ARCH:​·​noarch
20 FILESIZES:​·​ 20 FILESIZES:​·​
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22 FILEMODES:​·​ 22 FILEMODES:​·​
23 ·​-​·​16877·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​✂ 23 ·​-​·​16877·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​16877·​-​·​33188·​-​·​33188·​-​·​33188·​-​·​33188·​✂
24 FILERDEVS:​·​ 24 FILERDEVS:​·​
25 ·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​✂ 25 ·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​-​·​0·​✂
26 FILEMTIMES:​·​ 26 FILEMTIMES:​·​
27 ·​-​·​1457030907·​-​·​1457030907·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030883·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030907·​-​·​1457030907·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030906·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030907·​-​·​1457030906·​-​·​1457030·​✂ 27 ·​-​·​1457033880·​-​·​1457033880·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033856·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033879·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033880·​-​·​1457033·​✂
28 FILEMD5S:​·​ 28 FILEMD5S:​·​
29 ·​-​·​·​-​·​02f431f9dc8ee6b270b31​93c07c1a75d5ab0299ae2​a72c9ad85c425abb042ea​4·​-​·​·​-​·​b461f0fd71b04d1b709f6​b70dfa659d5f28fbe4914​f5c628cd3fdd78e77cee7​d·​-​·​a44612bf409b98f48a9ac​4a0cc6275cce49e5cdc9e​f2d0754a4c8f8a8a8c0fb​f·​-​·​c0ab95f5711104deeedec​e210d810ae001b430183c​9b46c1e6bf87072be39ad​4·​-​·​97fa7556d86626b3a04ae​31c8752fc0eca3f3d2117​19c9d9a0d59cee2ef3c03​0·​-​·​dad8e3442f08e50146d76​b18b4faed7029e4324050​d2556eebc2033317ce778​5·​-​·​5ad643b2a89a480125089​b55541cf2e3619573f0ac​fd110deff6cb00630f8ce​c·​-​·​859dff197a125cac62cc8​9245ff435b6045f6ee8f6​3f9b9e3486a4e719481d0​7·​-​·​071ed4bc76dde5b8b50a8​3eedbeb46fb0953d32358​1c4120fcb8cbc4a626dd1​5·​-​·​b638a09ce1c8852b6dd61​e4ffa8801f70476f54d62​a964259cda5adf0961780​9·​-​·​54f30ee3f006321a61b5d​b9ccb412617a8db1bc665​1349752e5fbc61967c117​d·​-​·​47ce67a84dd8de5141676​2bbd5065283e5b019ae15​0829efbc50391501a5076​2·​-​·​395f38898e1cde01d748f​c2f18974430a41b394c3e​febc124bfdbac2c135421​f·​-​·​4335dd4d215d7809e2e6c​e12e990523333b020f7fe​f539b72469f01deee518d​9·​-​·​00076bdcdc6d76ad03b5c​1dc9671b4b4d02c5013b6​2eaac4da2b92f60867cc3​9·​-​·​a6a0a85701·​✂ 29 ·​-​·​·​-​·​02f431f9dc8ee6b270b31​93c07c1a75d5ab0299ae2​a72c9ad85c425abb042ea​4·​-​·​·​-​·​8c72a87e46391b2358a42​e9578a945614e0b7a75df​887edfa4719db7e45b55a​e·​-​·​429fa17cd190d5b0c5bba​30c09a8b8b2040054dacf​fee3ce8e5641640312bda​0·​-​·​c0ab95f5711104deeedec​e210d810ae001b430183c​9b46c1e6bf87072be39ad​4·​-​·​d307dd0be732f786fa7d4​9801e6ef1da306f49cf9e​1ef0454a45895a8f64ad5​2·​-​·​dad8e3442f08e50146d76​b18b4faed7029e4324050​d2556eebc2033317ce778​5·​-​·​5ad643b2a89a480125089​b55541cf2e3619573f0ac​fd110deff6cb00630f8ce​c·​-​·​859dff197a125cac62cc8​9245ff435b6045f6ee8f6​3f9b9e3486a4e719481d0​7·​-​·​071ed4bc76dde5b8b50a8​3eedbeb46fb0953d32358​1c4120fcb8cbc4a626dd1​5·​-​·​b638a09ce1c8852b6dd61​e4ffa8801f70476f54d62​a964259cda5adf0961780​9·​-​·​85af5b63d9cb3c268dcd7​0b93b86a672950db4d01c​c942c49bdf125c1355057​b·​-​·​8b3815137ec78b1e56b2b​e4a73d45e99769931b17e​6429ce1c9788951311fe0​1·​-​·​3c336e1c2369786f5bb5c​d9a010c09db2248a9a6ae​7dfa76340cddc6765a08e​2·​-​·​2addb4f02e37c281c8562​7d73fd15e192ed7ca7cd6​00bb6ec8dc0956cfd097c​a·​-​·​00076bdcdc6d76ad03b5c​1dc9671b4b4d02c5013b6​2eaac4da2b92f60867cc3​9·​-​·​714cdf1377·​✂
30 FILELINKTOS:​·​ 30 FILELINKTOS:​·​
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32 FILEFLAGS:​·​ 32 FILEFLAGS:​·​
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44 -​rw-​r-​-​r-​-​·​·​·​1·​·​·​·​·​·​·​·​0·​·​·​·​·​·​·​·​0·​·​·​·​·​2003·​2016-​03-​03·​18:​48:​27.​000000·​.​/​usr/​share/​doc/​erlang-​17.​4/​doc/​efficiency_guide/​call_bm.​erl 44 -​rw-​r-​-​r-​-​·​·​·​1·​·​·​·​·​·​·​·​0·​·​·​·​·​·​·​·​0·​·​·​·​·​2003·​2016-​03-​03·​19:​38:​00.​000000·​.​/​usr/​share/​doc/​erlang-​17.​4/​doc/​efficiency_guide/​call_bm.​erl
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47 <img·​alt="Erlang·​logo"·​src=".​.​/​erlang-​logo.​png"><br><small><a·​href="users_guide.​html">User's·​Guide</​a><br><a·​href=".​.​/​pdf/​otp-​system-​documentation-​6.​3.​pdf">PDF</​a><br><a·​href=".​.​/​index.​html">Top</​a></​small><p><strong>OTP·​Design·​Principles</​strong><br><strong>Us​er's·​Guide</​strong><br><small>Ver​sion·​6.​3</​small></​p> 47 <img·​alt="Erlang·​logo"·​src=".​.​/​erlang-​logo.​png"><br><small><a·​href="users_guide.​html">User's·​Guide</​a><br><a·​href=".​.​/​pdf/​otp-​system-​documentation-​6.​3.​pdf">PDF</​a><br><a·​href=".​.​/​index.​html">Top</​a></​small><p><strong>OTP·​Design·​Principles</​strong><br><strong>Us​er's·​Guide</​strong><br><small>Ver​sion·​6.​3</​small></​p>
48 <br><a·​href="javascript:​openAllFlips()​">Expand·​All</​a><br><a·​href="javascript:​closeAllFlips()​">Contract·​All</​a><p><small><strong>C​hapters</​strong></​small></​p> 48 <br><a·​href="javascript:​openAllFlips()​">Expand·​All</​a><br><a·​href="javascript:​closeAllFlips()​">Contract·​All</​a><p><small><strong>C​hapters</​strong></​small></​p>
49 <ul·​class="flipMenu"·​imagepath=".​.​/​js/​flipmenu"> 49 <ul·​class="flipMenu"·​imagepath=".​.​/​js/​flipmenu">
50 <li·​id="no"·​title="Overview"·​expanded="false">Over​view<ul> 50 <li·​id="no"·​title="Overview"·​expanded="false">Over​view<ul>
51 <li><a·​href="des_princ.​html"> 51 <li><a·​href="des_princ.​html">
52 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 52 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
53 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 53 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
54 <li·​title="Supervision·​Trees"><a·​href="des_princ.​html#idm1397214738212​96">Supervision·​Trees</​a></​li> 54 <li·​title="Supervision·​Trees"><a·​href="des_princ.​html#idm1402310086645​92">Supervision·​Trees</​a></​li>
55 <li·​title="Behaviours"><a​·​href="des_princ.​html#idm1397214738293​92">Behaviours</​a></​li> 55 <li·​title="Behaviours"><a​·​href="des_princ.​html#idm1402310086726​88">Behaviours</​a></​li>
56 <li·​title="Applications">​<a·​href="des_princ.​html#idm1397214738587​52">Applications</​a></​li> 56 <li·​title="Applications">​<a·​href="des_princ.​html#idm1402310087520​16">Applications</​a></​li>
57 <li·​title="Releases"><a·​href="des_princ.​html#idm1397214738637​44">Releases</​a></​li> 57 <li·​title="Releases"><a·​href="des_princ.​html#idm1402310087570​72">Releases</​a></​li>
58 <li·​title="Release·​Handling"><a·​href="des_princ.​html#idm1397214739808​96">Release·​Handling</​a></​li> 58 <li·​title="Release·​Handling"><a·​href="des_princ.​html#idm1402310087605​92">Release·​Handling</​a></​li>
59 </​ul> 59 </​ul>
60 </​li> 60 </​li>
61 <li·​id="no"·​title="Gen_Server·​Behaviour"·​expanded="false">Gen_​Server·​Behaviour<ul> 61 <li·​id="no"·​title="Gen_Server·​Behaviour"·​expanded="false">Gen_​Server·​Behaviour<ul>
62 <li><a·​href="gen_server_conc​epts.​html"> 62 <li><a·​href="gen_server_conc​epts.​html">
63 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 63 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
64 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 64 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
65 <li·​title="Client-​Server·​Principles"><a·​href="gen_server_conc​epts.​html#idm1397214739903​84">Client-​Server·​Principles</​a></​li> 65 <li·​title="Client-​Server·​Principles"><a·​href="gen_server_conc​epts.​html#idm1402310087701​28">Client-​Server·​Principles</​a></​li>
66 <li·​title="Example"><a·​href="gen_server_conc​epts.​html#idm1397214739937​92">Example</​a></​li> 66 <li·​title="Example"><a·​href="gen_server_conc​epts.​html#idm1402310086976​32">Example</​a></​li>
67 <li·​title="Starting·​a·​Gen_Server"><a·​href="gen_server_conc​epts.​html#idm1397214739981​60">Starting·​a·​Gen_Server</​a></​li> 67 <li·​title="Starting·​a·​Gen_Server"><a·​href="gen_server_conc​epts.​html#idm1402310087020​00">Starting·​a·​Gen_Server</​a></​li>
68 <li·​title="Synchronous·​Requests·​-​·​Call"><a·​href="gen_server_conc​epts.​html#idm1397214737669​92">Synchronous·​Requests·​-​·​Call</​a></​li> 68 <li·​title="Synchronous·​Requests·​-​·​Call"><a·​href="gen_server_conc​epts.​html#idm1402310087762​24">Synchronous·​Requests·​-​·​Call</​a></​li>
69 <li·​title="Asynchronous·​Requests·​-​·​Cast"><a·​href="gen_server_conc​epts.​html#idm1397214740228​64">Asynchronous·​Requests·​-​·​Cast</​a></​li> 69 <li·​title="Asynchronous·​Requests·​-​·​Cast"><a·​href="gen_server_conc​epts.​html#idm1402310087864​32">Asynchronous·​Requests·​-​·​Cast</​a></​li>
70 <li·​title="Stopping"><a·​href="gen_server_conc​epts.​html#idm1397214738923​52">Stopping</​a></​li> 70 <li·​title="Stopping"><a·​href="gen_server_conc​epts.​html#idm1402310090753​76">Stopping</​a></​li>
71 <li·​title="Handling·​Other·​Messages"><a·​href="gen_server_conc​epts.​html#idm1397214739025​12">Handling·​Other·​Messages</​a></​li> 71 <li·​title="Handling·​Other·​Messages"><a·​href="gen_server_conc​epts.​html#idm1402310086217​44">Handling·​Other·​Messages</​a></​li>
72 </​ul> 72 </​ul>
73 </​li> 73 </​li>
74 <li·​id="no"·​title="Gen_Fsm·​Behaviour"·​expanded="false">Gen_​Fsm·​Behaviour<ul> 74 <li·​id="no"·​title="Gen_Fsm·​Behaviour"·​expanded="false">Gen_​Fsm·​Behaviour<ul>
75 <li><a·​href="fsm.​html"> 75 <li><a·​href="fsm.​html">
76 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 76 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
77 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 77 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
78 <li·​title="Finite·​State·​Machines"><a·​href="fsm.​html#idm1397214739128​16">Finite·​State·​Machines</​a></​li> 78 <li·​title="Finite·​State·​Machines"><a·​href="fsm.​html#idm1402310090907​52">Finite·​State·​Machines</​a></​li>
79 <li·​title="Example"><a·​href="fsm.​html#idm1397214744873​28">Example</​a></​li> 79 <li·​title="Example"><a·​href="fsm.​html#idm1402310087992​48">Example</​a></​li>
80 <li·​title="Starting·​a·​Gen_Fsm"><a·​href="fsm.​html#idm1397214737307​36">Starting·​a·​Gen_Fsm</​a></​li> 80 <li·​title="Starting·​a·​Gen_Fsm"><a·​href="fsm.​html#idm1402310095516​00">Starting·​a·​Gen_Fsm</​a></​li>
81 <li·​title="Notifying·​About·​Events"><a·​href="fsm.​html#idm1397214737268​48">Notifying·​About·​Events</​a></​li> 81 <li·​title="Notifying·​About·​Events"><a·​href="fsm.​html#idm1402310091153​60">Notifying·​About·​Events</​a></​li>
82 <li·​title="Timeouts"><a·​href="fsm.​html#idm1397214745703​04">Timeouts</​a></​li> 82 <li·​title="Timeouts"><a·​href="fsm.​html#idm1402310098085​44">Timeouts</​a></​li>
83 <li·​title="All·​State·​Events"><a·​href="fsm.​html#idm1397214746614​08">All·​State·​Events</​a></​li> 83 <li·​title="All·​State·​Events"><a·​href="fsm.​html#idm1402310093031​52">All·​State·​Events</​a></​li>
84 <li·​title="Stopping"><a·​href="fsm.​html#idm1397214746854​40">Stopping</​a></​li> 84 <li·​title="Stopping"><a·​href="fsm.​html#idm1402310089129​76">Stopping</​a></​li>
85 <li·​title="Handling·​Other·​Messages"><a·​href="fsm.​html#idm1397214740112​00">Handling·​Other·​Messages</​a></​li> 85 <li·​title="Handling·​Other·​Messages"><a·​href="fsm.​html#idm1402310084326​88">Handling·​Other·​Messages</​a></​li>
86 </​ul> 86 </​ul>
87 </​li> 87 </​li>
88 <li·​id="no"·​title="Gen_Event·​Behaviour"·​expanded="false">Gen_​Event·​Behaviour<ul> 88 <li·​id="no"·​title="Gen_Event·​Behaviour"·​expanded="false">Gen_​Event·​Behaviour<ul>
89 <li><a·​href="events.​html"> 89 <li><a·​href="events.​html">
90 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 90 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
91 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 91 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
92 <li·​title="Event·​Handling·​Principles"><a·​href="events.​html#idm1397214751144​00">Event·​Handling·​Principles</​a></​li> 92 <li·​title="Event·​Handling·​Principles"><a·​href="events.​html#idm1402310091793​92">Event·​Handling·​Principles</​a></​li>
93 <li·​title="Example"><a·​href="events.​html#idm1397214738065​60">Example</​a></​li> 93 <li·​title="Example"><a·​href="events.​html#idm1402310084171​52">Example</​a></​li>
94 <li·​title="Starting·​an·​Event·​Manager"><a·​href="events.​html#idm1397214738025​44">Starting·​an·​Event·​Manager</​a></​li> 94 <li·​title="Starting·​an·​Event·​Manager"><a·​href="events.​html#idm1402310084131​36">Starting·​an·​Event·​Manager</​a></​li>
95 <li·​title="Adding·​an·​Event·​Handler"><a·​href="events.​html#idm1397214747192​64">Adding·​an·​Event·​Handler</​a></​li> 95 <li·​title="Adding·​an·​Event·​Handler"><a·​href="events.​html#idm1402310093887​52">Adding·​an·​Event·​Handler</​a></​li>
96 <li·​title="Notifying·​About·​Events"><a·​href="events.​html#idm1397214738881​76">Notifying·​About·​Events</​a></​li> 96 <li·​title="Notifying·​About·​Events"><a·​href="events.​html#idm1402310087285​12">Notifying·​About·​Events</​a></​li>
97 <li·​title="Deleting·​an·​Event·​Handler"><a·​href="events.​html#idm1397214738804​00">Deleting·​an·​Event·​Handler</​a></​li> 97 <li·​title="Deleting·​an·​Event·​Handler"><a·​href="events.​html#idm1402310087207​36">Deleting·​an·​Event·​Handler</​a></​li>
98 <li·​title="Stopping"><a·​href="events.​html#idm1397214738724​64">Stopping</​a></​li> 98 <li·​title="Stopping"><a·​href="events.​html#idm1402310086894​08">Stopping</​a></​li>
99 <li·​title="Handling·​Other·​Messages"><a·​href="events.​html#idm1397214738663​04">Handling·​Other·​Messages</​a></​li> 99 <li·​title="Handling·​Other·​Messages"><a·​href="events.​html#idm1402310086832​48">Handling·​Other·​Messages</​a></​li>
100 </​ul> 100 </​ul>
101 </​li> 101 </​li>
102 <li·​id="no"·​title="Supervisor·​Behaviour"·​expanded="false">Supe​rvisor·​Behaviour<ul> 102 <li·​id="no"·​title="Supervisor·​Behaviour"·​expanded="false">Supe​rvisor·​Behaviour<ul>
103 <li><a·​href="sup_princ.​html"> 103 <li><a·​href="sup_princ.​html">
104 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 104 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
105 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 105 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
106 <li·​title="Supervision·​Principles"><a·​href="sup_princ.​html#idm1397214734009​44">Supervision·​Principles</​a></​li> 106 <li·​title="Supervision·​Principles"><a·​href="sup_princ.​html#idm1402310082917​44">Supervision·​Principles</​a></​li>
107 <li·​title="Example"><a·​href="sup_princ.​html#idm1397214733982​56">Example</​a></​li> 107 <li·​title="Example"><a·​href="sup_princ.​html#idm1402310096825​28">Example</​a></​li>
108 <li·​title="Restart·​Strategy"><a·​href="sup_princ.​html#idm1397214733907​20">Restart·​Strategy</​a></​li> 108 <li·​title="Restart·​Strategy"><a·​href="sup_princ.​html#idm1402310096296​32">Restart·​Strategy</​a></​li>
109 <li·​title="Maximum·​Restart·​Frequency"><a·​href="sup_princ.​html#idm1397214733820​32">Maximum·​Restart·​Frequency</​a></​li> 109 <li·​title="Maximum·​Restart·​Frequency"><a·​href="sup_princ.​html#idm1402310088963​68">Maximum·​Restart·​Frequency</​a></​li>
110 <li·​title="Child·​Specification"><a·​href="sup_princ.​html#idm1397214741044​48">Child·​Specification</​a></​li> 110 <li·​title="Child·​Specification"><a·​href="sup_princ.​html#idm1402310082857​44">Child·​Specification</​a></​li>
111 <li·​title="Starting·​a·​Supervisor"><a·​href="sup_princ.​html#idm1397214733595​20">Starting·​a·​Supervisor</​a></​li> 111 <li·​title="Starting·​a·​Supervisor"><a·​href="sup_princ.​html#idm1402310082533​28">Starting·​a·​Supervisor</​a></​li>
112 <li·​title="Adding·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1397214733484​00">Adding·​a·​Child·​Process</​a></​li> 112 <li·​title="Adding·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1402310082422​08">Adding·​a·​Child·​Process</​a></​li>
113 <li·​title="Stopping·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1397214733440​16">Stopping·​a·​Child·​Process</​a></​li> 113 <li·​title="Stopping·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1402310082378​24">Stopping·​a·​Child·​Process</​a></​li>
114 <li·​title="Simple-​One-​For-​One·​Supervisors"><a·​href="sup_princ.​html#idm1397214733392​48">Simple-​One-​For-​One·​Supervisors</​a></​li> 114 <li·​title="Simple-​One-​For-​One·​Supervisors"><a·​href="sup_princ.​html#idm1402310082330​24">Simple-​One-​For-​One·​Supervisors</​a></​li>
115 <li·​title="Stopping"><a·​href="sup_princ.​html#idm1397214733269​76">Stopping</​a></​li> 115 <li·​title="Stopping"><a·​href="sup_princ.​html#idm1402310082180​80">Stopping</​a></​li>
116 </​ul> 116 </​ul>
117 </​li> 117 </​li>
118 <li·​id="no"·​title="Sys·​and·​Proc_Lib"·​expanded="false">Sys·​and·​Proc_Lib<ul> 118 <li·​id="no"·​title="Sys·​and·​Proc_Lib"·​expanded="false">Sys·​and·​Proc_Lib<ul>
119 <li><a·​href="spec_proc.​html"> 119 <li><a·​href="spec_proc.​html">
120 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 120 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
121 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 121 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
122 <li·​title="Simple·​Debugging"><a·​href="spec_proc.​html#idm1397214733152​80">Simple·​Debugging</​a></​li> 122 <li·​title="Simple·​Debugging"><a·​href="spec_proc.​html#idm1402310082063​84">Simple·​Debugging</​a></​li>
123 <li·​title="Special·​Processes"><a·​href="spec_proc.​html#idm1397214733051​52">Special·​Processes</​a></​li> 123 <li·​title="Special·​Processes"><a·​href="spec_proc.​html#idm1402310081962​56">Special·​Processes</​a></​li>
124 <li·​title="User-​Defined·​Behaviours"><a·​href="spec_proc.​html#idm1397214732279​04">User-​Defined·​Behaviours</​a></​li> 124 <li·​title="User-​Defined·​Behaviours"><a·​href="spec_proc.​html#idm1402310081190​08">User-​Defined·​Behaviours</​a></​li>
125 </​ul> 125 </​ul>
126 </​li> 126 </​li>
127 <li·​id="loadscrollpos"·​title="Applications"·​expanded="true">Appli​cations<ul> 127 <li·​id="loadscrollpos"·​title="Applications"·​expanded="true">Appli​cations<ul>
128 <li><a·​href="applications.​html"> 128 <li><a·​href="applications.​html">
129 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 129 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
130 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 130 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
131 <li·​title="Application·​Concept"><a·​href="applications.​html#idm1397214732041​60">Application·​Concept</​a></​li> 131 <li·​title="Application·​Concept"><a·​href="applications.​html#idm1402310080952​64">Application·​Concept</​a></​li>
132 <li·​title="Application·​Callback·​Module"><a·​href="applications.​html#idm1397214731961​12">Application·​Callback·​Module</​a></​li> 132 <li·​title="Application·​Callback·​Module"><a·​href="applications.​html#idm1402310080872​16">Application·​Callback·​Module</​a></​li>
133 <li·​title="Application·​Resource·​File"><a·​href="applications.​html#idm1397214731824​32">Application·​Resource·​File</​a></​li> 133 <li·​title="Application·​Resource·​File"><a·​href="applications.​html#idm1402310080735​36">Application·​Resource·​File</​a></​li>
134 <li·​title="Directory·​Structure"><a·​href="applications.​html#idm1397214731520​96">Directory·​Structure</​a></​li> 134 <li·​title="Directory·​Structure"><a·​href="applications.​html#idm1402310080432​00">Directory·​Structure</​a></​li>
135 <li·​title="Application·​Controller"><a·​href="applications.​html#idm1397214731369​60">Application·​Controller</​a></​li> 135 <li·​title="Application·​Controller"><a·​href="applications.​html#idm1402310080280​64">Application·​Controller</​a></​li>
136 <li·​title="Loading·​and·​Unloading·​Applications"><a·​href="applications.​html#idm1397214731330​24">Loading·​and·​Unloading·​Applications</​a></​li> 136 <li·​title="Loading·​and·​Unloading·​Applications"><a·​href="applications.​html#idm1402310080241​28">Loading·​and·​Unloading·​Applications</​a></​li>
137 <li·​title="Starting·​and·​Stopping·​Applications"><a·​href="applications.​html#idm1397214731255​68">Starting·​and·​Stopping·​Applications</​a></​li> 137 <li·​title="Starting·​and·​Stopping·​Applications"><a·​href="applications.​html#idm1402310080166​72">Starting·​and·​Stopping·​Applications</​a></​li>
138 <li·​title="Configuring·​an·​Application"><a·​href="applications.​html#idm1397214731150​56">Configuring·​an·​Application</​a></​li> 138 <li·​title="Configuring·​an·​Application"><a·​href="applications.​html#idm1402310080061​60">Configuring·​an·​Application</​a></​li>
139 <li·​title="Application·​Start·​Types"><a·​href="applications.​html#idm1397214730911​20">Application·​Start·​Types</​a></​li> 139 <li·​title="Application·​Start·​Types"><a·​href="applications.​html#idm1402310079822​24">Application·​Start·​Types</​a></​li>
140 </​ul> 140 </​ul>
141 </​li> 141 </​li>
142 <li·​id="no"·​title="Included·​Applications"·​expanded="false">Incl​uded·​Applications<ul> 142 <li·​id="no"·​title="Included·​Applications"·​expanded="false">Incl​uded·​Applications<ul>
143 <li><a·​href="included_applic​ations.​html"> 143 <li><a·​href="included_applic​ations.​html">
144 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 144 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
145 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 145 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
146 <li·​title="Definition"><a​·​href="included_applic​ations.​html#idm1397214730743​52">Definition</​a></​li> 146 <li·​title="Definition"><a​·​href="included_applic​ations.​html#idm1402310079654​56">Definition</​a></​li>
147 <li·​title="Specifying·​Included·​Applications"><a·​href="included_applic​ations.​html#idm1397214730664​96">Specifying·​Included·​Applications</​a></​li> 147 <li·​title="Specifying·​Included·​Applications"><a·​href="included_applic​ations.​html#idm1402310079576​00">Specifying·​Included·​Applications</​a></​li>
148 <li·​title="Synchronizing·​Processes·​During·​Startup"><a·​href="included_applic​ations.​html#idm1397214730634​56">Synchronizing·​Processes·​During·​Startup</​a></​li> 148 <li·​title="Synchronizing·​Processes·​During·​Startup"><a·​href="included_applic​ations.​html#idm1402310079545​60">Synchronizing·​Processes·​During·​Startup</​a></​li>
149 </​ul> 149 </​ul>
150 </​li> 150 </​li>
151 <li·​id="no"·​title="Distributed·​Applications"·​expanded="false">Dist​ributed·​Applications<ul> 151 <li·​id="no"·​title="Distributed·​Applications"·​expanded="false">Dist​ributed·​Applications<ul>
152 <li><a·​href="distributed_app​lications.​html"> 152 <li><a·​href="distributed_app​lications.​html">
153 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 153 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
154 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 154 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
155 <li·​title="Definition"><a​·​href="distributed_app​lications.​html#idm1397214730378​56">Definition</​a></​li> 155 <li·​title="Definition"><a​·​href="distributed_app​lications.​html#idm1402310079289​60">Definition</​a></​li>
156 <li·​title="Specifying·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1397214730335​36">Specifying·​Distributed·​Applications</​a></​li> 156 <li·​title="Specifying·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1402310079246​40">Specifying·​Distributed·​Applications</​a></​li>
157 <li·​title="Starting·​and·​Stopping·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1397214730087​68">Starting·​and·​Stopping·​Distributed·​Applications</​a></​li> 157 <li·​title="Starting·​and·​Stopping·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1402310078998​72">Starting·​and·​Stopping·​Distributed·​Applications</​a></​li>
158 <li·​title="Failover"><a·​href="distributed_app​lications.​html#idm1397214729965​28">Failover</​a></​li> 158 <li·​title="Failover"><a·​href="distributed_app​lications.​html#idm1402310078876​32">Failover</​a></​li>
159 <li·​title="Takeover"><a·​href="distributed_app​lications.​html#idm1397214729794​56">Takeover</​a></​li> 159 <li·​title="Takeover"><a·​href="distributed_app​lications.​html#idm1402310078705​60">Takeover</​a></​li>
160 </​ul> 160 </​ul>
161 </​li> 161 </​li>
162 <li·​id="no"·​title="Releases"·​expanded="false">Rele​ases<ul> 162 <li·​id="no"·​title="Releases"·​expanded="false">Rele​ases<ul>
163 <li><a·​href="release_structu​re.​html"> 163 <li><a·​href="release_structu​re.​html">
164 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 164 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
165 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 165 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
166 <li·​title="Release·​Concept"><a·​href="release_structu​re.​html#idm1397214729560​16">Release·​Concept</​a></​li> 166 <li·​title="Release·​Concept"><a·​href="release_structu​re.​html#idm1402310078471​20">Release·​Concept</​a></​li>
167 <li·​title="Release·​Resource·​File"><a·​href="release_structu​re.​html#idm1397214729497​12">Release·​Resource·​File</​a></​li> 167 <li·​title="Release·​Resource·​File"><a·​href="release_structu​re.​html#idm1402310078408​16">Release·​Resource·​File</​a></​li>
168 <li·​title="Generating·​Boot·​Scripts"><a·​href="release_structu​re.​html#idm1397214729320​00">Generating·​Boot·​Scripts</​a></​li> 168 <li·​title="Generating·​Boot·​Scripts"><a·​href="release_structu​re.​html#idm1402310078231​04">Generating·​Boot·​Scripts</​a></​li>
169 <li·​title="Creating·​a·​Release·​Package"><a·​href="release_structu​re.​html#idm1397214729207​36">Creating·​a·​Release·​Package</​a></​li> 169 <li·​title="Creating·​a·​Release·​Package"><a·​href="release_structu​re.​html#idm1402310078118​40">Creating·​a·​Release·​Package</​a></​li>
170 <li·​title="Directory·​Structure"><a·​href="release_structu​re.​html#idm1397214729029​12">Directory·​Structure</​a></​li> 170 <li·​title="Directory·​Structure"><a·​href="release_structu​re.​html#idm1402310077940​16">Directory·​Structure</​a></​li>
171 </​ul> 171 </​ul>
172 </​li> 172 </​li>
173 <li·​id="no"·​title="Release·​Handling"·​expanded="false">Rele​ase·​Handling<ul> 173 <li·​id="no"·​title="Release·​Handling"·​expanded="false">Rele​ase·​Handling<ul>
174 <li><a·​href="release_handlin​g.​html"> 174 <li><a·​href="release_handlin​g.​html">
175 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 175 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
176 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 176 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
177 <li·​title="Release·​Handling·​Principles"><a·​href="release_handlin​g.​html#idm1397214728725​44">Release·​Handling·​Principles</​a></​li> 177 <li·​title="Release·​Handling·​Principles"><a·​href="release_handlin​g.​html#idm1402310077636​48">Release·​Handling·​Principles</​a></​li>
178 <li·​title="Requirements">​<a·​href="release_handlin​g.​html#idm1397214728431​84">Requirements</​a></​li> 178 <li·​title="Requirements">​<a·​href="release_handlin​g.​html#idm1402310077342​88">Requirements</​a></​li>
179 <li·​title="Distributed·​Systems"><a·​href="release_handlin​g.​html#idm1397214728320​48">Distributed·​Systems</​a></​li> 179 <li·​title="Distributed·​Systems"><a·​href="release_handlin​g.​html#idm1402310077231​52">Distributed·​Systems</​a></​li>
180 <li·​title="Release·​Handling·​Instructions"><a·​href="release_handlin​g.​html#idm1397214728288​80">Release·​Handling·​Instructions</​a></​li> 180 <li·​title="Release·​Handling·​Instructions"><a·​href="release_handlin​g.​html#idm1402310077199​84">Release·​Handling·​Instructions</​a></​li>
181 <li·​title="Application·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1397214727656​64">Application·​Upgrade·​File</​a></​li> 181 <li·​title="Application·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1402310076567​68">Application·​Upgrade·​File</​a></​li>
182 <li·​title="Release·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1397214727438​24">Release·​Upgrade·​File</​a></​li> 182 <li·​title="Release·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1402310076349​28">Release·​Upgrade·​File</​a></​li>
183 <li·​title="Installing·​a·​Release"><a·​href="release_handlin​g.​html#idm1397214727250​88">Installing·​a·​Release</​a></​li> 183 <li·​title="Installing·​a·​Release"><a·​href="release_handlin​g.​html#idm1402310076161​92">Installing·​a·​Release</​a></​li>
184 <li·​title="Updating·​Application·​Specifications"><a·​href="release_handlin​g.​html#idm1397214726686​08">Updating·​Application·​Specifications</​a></​li> 184 <li·​title="Updating·​Application·​Specifications"><a·​href="release_handlin​g.​html#idm1402310075597​12">Updating·​Application·​Specifications</​a></​li>
185 </​ul> 185 </​ul>
186 </​li> 186 </​li>
187 <li·​id="no"·​title="Appup·​Cookbook"·​expanded="false">Appu​p·​Cookbook<ul> 187 <li·​id="no"·​title="Appup·​Cookbook"·​expanded="false">Appu​p·​Cookbook<ul>
188 <li><a·​href="appup_cookbook.​html"> 188 <li><a·​href="appup_cookbook.​html">
189 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 189 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
190 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 190 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
191 <li·​title="Changing·​a·​Functional·​Module"><a·​href="appup_cookbook.​html#idm1397214726465​28">Changing·​a·​Functional·​Module</​a></​li> 191 <li·​title="Changing·​a·​Functional·​Module"><a·​href="appup_cookbook.​html#idm1402310075376​32">Changing·​a·​Functional·​Module</​a></​li>
192 <li·​title="Changing·​a·​Residence·​Module"><a·​href="appup_cookbook.​html#idm1397214726437​92">Changing·​a·​Residence·​Module</​a></​li> 192 <li·​title="Changing·​a·​Residence·​Module"><a·​href="appup_cookbook.​html#idm1402310075348​96">Changing·​a·​Residence·​Module</​a></​li>
193 <li·​title="Changing·​a·​Callback·​Module"><a·​href="appup_cookbook.​html#idm1397214726391​36">Changing·​a·​Callback·​Module</​a></​li> 193 <li·​title="Changing·​a·​Callback·​Module"><a·​href="appup_cookbook.​html#idm1402310075302​40">Changing·​a·​Callback·​Module</​a></​li>
194 <li·​title="Changing·​Internal·​State"><a·​href="appup_cookbook.​html#idm1397214726330​08">Changing·​Internal·​State</​a></​li> 194 <li·​title="Changing·​Internal·​State"><a·​href="appup_cookbook.​html#idm1402310075241​12">Changing·​Internal·​State</​a></​li>
195 <li·​title="Module·​Dependencies"><a·​href="appup_cookbook.​html#idm1397214726168​64">Module·​Dependencies</​a></​li> 195 <li·​title="Module·​Dependencies"><a·​href="appup_cookbook.​html#idm1402310075079​68">Module·​Dependencies</​a></​li>
196 <li·​title="Changing·​Code·​For·​a·​Special·​Process"><a·​href="appup_cookbook.​html#idm1397214725963​84">Changing·​Code·​For·​a·​Special·​Process</​a></​li> 196 <li·​title="Changing·​Code·​For·​a·​Special·​Process"><a·​href="appup_cookbook.​html#idm1402310074874​88">Changing·​Code·​For·​a·​Special·​Process</​a></​li>
197 <li·​title="Changing·​a·​Supervisor"><a·​href="appup_cookbook.​html#idm1397214725763​68">Changing·​a·​Supervisor</​a></​li> 197 <li·​title="Changing·​a·​Supervisor"><a·​href="appup_cookbook.​html#idm1402310074674​72">Changing·​a·​Supervisor</​a></​li>
198 <li·​title="Adding·​or·​Deleting·​a·​Module"><a·​href="appup_cookbook.​html#idm1397214725468​64">Adding·​or·​Deleting·​a·​Module</​a></​li> 198 <li·​title="Adding·​or·​Deleting·​a·​Module"><a·​href="appup_cookbook.​html#idm1402310074379​68">Adding·​or·​Deleting·​a·​Module</​a></​li>
199 <li·​title="Starting·​or·​Terminating·​a·​Process"><a·​href="appup_cookbook.​html#idm1397214725438​24">Starting·​or·​Terminating·​a·​Process</​a></​li> 199 <li·​title="Starting·​or·​Terminating·​a·​Process"><a·​href="appup_cookbook.​html#idm1402310074349​28">Starting·​or·​Terminating·​a·​Process</​a></​li>
200 <li·​title="Adding·​or·​Removing·​an·​Application"><a·​href="appup_cookbook.​html#idm1397214725416​00">Adding·​or·​Removing·​an·​Application</​a></​li> 200 <li·​title="Adding·​or·​Removing·​an·​Application"><a·​href="appup_cookbook.​html#idm1402310074327​04">Adding·​or·​Removing·​an·​Application</​a></​li>
201 <li·​title="Restarting·​an·​Application"><a·​href="appup_cookbook.​html#idm1397214725379​20">Restarting·​an·​Application</​a></​li> 201 <li·​title="Restarting·​an·​Application"><a·​href="appup_cookbook.​html#idm1402310074290​24">Restarting·​an·​Application</​a></​li>
202 <li·​title="Changing·​an·​Application·​Specification"><a·​href="appup_cookbook.​html#idm1397214725328​64">Changing·​an·​Application·​Specification</​a></​li> 202 <li·​title="Changing·​an·​Application·​Specification"><a·​href="appup_cookbook.​html#idm1402310074239​68">Changing·​an·​Application·​Specification</​a></​li>
203 <li·​title="Changing·​Application·​Configuration"><a·​href="appup_cookbook.​html#idm1397214725300​00">Changing·​Application·​Configuration</​a></​li> 203 <li·​title="Changing·​Application·​Configuration"><a·​href="appup_cookbook.​html#idm1402310074211​04">Changing·​Application·​Configuration</​a></​li>
204 <li·​title="Changing·​Included·​Applications"><a·​href="appup_cookbook.​html#idm1397214725259​84">Changing·​Included·​Applications</​a></​li> 204 <li·​title="Changing·​Included·​Applications"><a·​href="appup_cookbook.​html#idm1402310074170​88">Changing·​Included·​Applications</​a></​li>
205 <li·​title="Changing·​Non-​Erlang·​Code"><a·​href="appup_cookbook.​html#idm1397214724972​00">Changing·​Non-​Erlang·​Code</​a></​li> 205 <li·​title="Changing·​Non-​Erlang·​Code"><a·​href="appup_cookbook.​html#idm1402310073883​04">Changing·​Non-​Erlang·​Code</​a></​li>
206 <li·​title="Emulator·​Restart·​and·​Upgrade"><a·​href="appup_cookbook.​html#idm1397214724870​56">Emulator·​Restart·​and·​Upgrade</​a></​li> 206 <li·​title="Emulator·​Restart·​and·​Upgrade"><a·​href="appup_cookbook.​html#idm1402310073781​60">Emulator·​Restart·​and·​Upgrade</​a></​li>
207 <li·​title="Emulator·​Upgrade·​from·​pre·​OTP·​R15"><a·​href="appup_cookbook.​html#idm1397214724778​72">Emulator·​Upgrade·​from·​pre·​OTP·​R15</​a></​li> 207 <li·​title="Emulator·​Upgrade·​from·​pre·​OTP·​R15"><a·​href="appup_cookbook.​html#idm1402310073689​76">Emulator·​Upgrade·​from·​pre·​OTP·​R15</​a></​li>
208 </​ul> 208 </​ul>
209 </​li> 209 </​li>
210 </​ul> 210 </​ul>
211 </​div></​div> 211 </​div></​div>
212 <div·​id="content"> 212 <div·​id="content">
213 <div·​class="innertube"> 213 <div·​class="innertube">
214 <h1>7 Applications</​h1> 214 <h1>7 Applications</​h1>
215 ·​·​ 215 ·​·​
216 ·​·​<a·​name="appl"></​a> 216 ·​·​<a·​name="appl"></​a>
217 ·​·​<p>This·​chapter·​should·​be·​read·​in·​conjunction·​with·​<span·​class="code">app(4)​</​span>·​and 217 ·​·​<p>This·​chapter·​should·​be·​read·​in·​conjunction·​with·​<span·​class="code">app(4)​</​span>·​and
218 ·​·​·​·​<span·​class="code">applicat​ion(3)​</​span>.​</​p> 218 ·​·​·​·​<span·​class="code">applicat​ion(3)​</​span>.​</​p>
   
219 ·​·​<h3><a·​name="idm139721473204​160">7.​1  219 ·​·​<h3><a·​name="idm140231008095​264">7.​1 
220 ·​·​·​·​·​·​·​·​Application·​Concept</​a></​h3> 220 ·​·​·​·​·​·​·​·​Application·​Concept</​a></​h3>
221 ·​·​·​·​ 221 ·​·​·​·​
222 ·​·​·​·​<p>When·​we·​have·​written·​code·​implementing·​some·​specific 222 ·​·​·​·​<p>When·​we·​have·​written·​code·​implementing·​some·​specific
223 ·​·​·​·​·​·​functionality,​·​we·​might·​want·​to·​make·​the·​code·​into·​an 223 ·​·​·​·​·​·​functionality,​·​we·​might·​want·​to·​make·​the·​code·​into·​an
224 ·​·​·​·​·​·​<strong>application</​strong>,​·​that·​is·​a·​component·​that·​can·​be·​started·​and 224 ·​·​·​·​·​·​<strong>application</​strong>,​·​that·​is·​a·​component·​that·​can·​be·​started·​and
225 ·​·​·​·​·​·​stopped·​as·​a·​unit,​·​and·​which·​can·​be·​re-​used·​in·​other·​systems·​as 225 ·​·​·​·​·​·​stopped·​as·​a·​unit,​·​and·​which·​can·​be·​re-​used·​in·​other·​systems·​as
226 ·​·​·​·​·​·​well.​</​p> 226 ·​·​·​·​·​·​well.​</​p>
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234 ·​·​·​·​·​·​module.​</​p> 234 ·​·​·​·​·​·​module.​</​p>
235 ·​·​·​·​<p>If·​we·​use·​<span·​class="code">systools​</​span>,​·​the·​Erlang/​OTP·​tools·​for·​packaging·​code 235 ·​·​·​·​<p>If·​we·​use·​<span·​class="code">systools​</​span>,​·​the·​Erlang/​OTP·​tools·​for·​packaging·​code
236 ·​·​·​·​·​·​(see·​<span·​class="bold_code"><a·​href="release_structu​re.​html">Releases</​a></​span>)​,​ 236 ·​·​·​·​·​·​(see·​<span·​class="bold_code"><a·​href="release_structu​re.​html">Releases</​a></​span>)​,​
237 ·​·​·​·​·​·​the·​code·​for·​each·​application·​is·​placed·​in·​a·​separate·​directory 237 ·​·​·​·​·​·​the·​code·​for·​each·​application·​is·​placed·​in·​a·​separate·​directory
238 ·​·​·​·​·​·​following·​a·​pre-​defined·​<span·​class="bold_code"><a·​href="#app_dir">direc​tory·​structure</​a></​span>.​</​p> 238 ·​·​·​·​·​·​following·​a·​pre-​defined·​<span·​class="bold_code"><a·​href="#app_dir">direc​tory·​structure</​a></​span>.​</​p>
239 ·​·​ 239 ·​·​
   
240 ·​·​<h3><a·​name="idm139721473196​112">7.​2  240 ·​·​<h3><a·​name="idm140231008087​216">7.​2 
241 ·​·​·​·​·​·​·​·​Application·​Callback·​Module</​a></​h3> 241 ·​·​·​·​·​·​·​·​Application·​Callback·​Module</​a></​h3>
242 ·​·​·​·​<a·​name="callback_module​"></​a> 242 ·​·​·​·​<a·​name="callback_module​"></​a>
243 ·​·​·​·​ 243 ·​·​·​·​
244 ·​·​·​·​<p>How·​to·​start·​and·​stop·​the·​code·​for·​the·​application,​·​i.​e.​ 244 ·​·​·​·​<p>How·​to·​start·​and·​stop·​the·​code·​for·​the·​application,​·​i.​e.​
245 ·​·​·​·​·​·​the·​supervision·​tree,​·​is·​described·​by·​two·​callback·​functions:​</​p> 245 ·​·​·​·​·​·​the·​supervision·​tree,​·​is·​described·​by·​two·​callback·​functions:​</​p>
246 ·​·​·​·​<div·​class="example"><pre>​ 246 ·​·​·​·​<div·​class="example"><pre>​
247 start(StartType,​·​StartArgs)​·​-​&gt;​·​{ok,​·​Pid}·​|·​{ok,​·​Pid,​·​State} 247 start(StartType,​·​StartArgs)​·​-​&gt;​·​{ok,​·​Pid}·​|·​{ok,​·​Pid,​·​State}
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276 stop(_State)​·​-​&gt;​ 276 stop(_State)​·​-​&gt;​
277 ·​·​·​·​ok.​</​pre></​div> 277 ·​·​·​·​ok.​</​pre></​div>
278 ·​·​·​·​<p>A·​library·​application,​·​which·​can·​not·​be·​started·​or·​stopped,​ 278 ·​·​·​·​<p>A·​library·​application,​·​which·​can·​not·​be·​started·​or·​stopped,​
279 ·​·​·​·​·​·​does·​not·​need·​any·​application·​callback·​module.​</​p> 279 ·​·​·​·​·​·​does·​not·​need·​any·​application·​callback·​module.​</​p>
280 ·​·​ 280 ·​·​
   
281 ·​·​<h3><a·​name="idm139721473182​432">7.​3  281 ·​·​<h3><a·​name="idm140231008073​536">7.​3 
282 ·​·​·​·​·​·​·​·​Application·​Resource·​File</​a></​h3> 282 ·​·​·​·​·​·​·​·​Application·​Resource·​File</​a></​h3>
283 ·​·​·​·​<a·​name="appl_res_file">​</​a> 283 ·​·​·​·​<a·​name="appl_res_file">​</​a>
284 ·​·​·​·​ 284 ·​·​·​·​
285 ·​·​·​·​<p>To·​define·​an·​application,​·​we·​create·​an·​<strong>application·​specification</​strong>·​which·​is·​put·​in·​an·​<strong>application·​resource·​file</​strong>,​·​or·​in·​short·​<span·​class="code">.​app</​span>·​file:​</​p> 285 ·​·​·​·​<p>To·​define·​an·​application,​·​we·​create·​an·​<strong>application·​specification</​strong>·​which·​is·​put·​in·​an·​<strong>application·​resource·​file</​strong>,​·​or·​in·​short·​<span·​class="code">.​app</​span>·​file:​</​p>
286 ·​·​·​·​<div·​class="example"><pre>​ 286 ·​·​·​·​<div·​class="example"><pre>​
287 {application,​·​Application,​·​[Opt1,​.​.​.​,​OptN]}.​</​pre></​div> 287 {application,​·​Application,​·​[Opt1,​.​.​.​,​OptN]}.​</​pre></​div>
288 ·​·​·​·​<p><span·​class="code">Applicat​ion</​span>,​·​an·​atom,​·​is·​the·​name·​of·​the·​application.​ 288 ·​·​·​·​<p><span·​class="code">Applicat​ion</​span>,​·​an·​atom,​·​is·​the·​name·​of·​the·​application.​
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349 <div·​class="label">Note</​div> 349 <div·​class="label">Note</​div>
350 <div·​class="content"><p><p​>The·​syntax·​and·​contents·​of·​of·​the·​application·​resource·​file 350 <div·​class="content"><p><p​>The·​syntax·​and·​contents·​of·​of·​the·​application·​resource·​file
351 ·​·​·​·​·​·​are·​described·​in·​detail·​in·​the<span·​class="bold_code"><a·​href="javascript:​erlhref('.​.​/​.​.​/​',​'kernel',​'app.​html')​;​"> 351 ·​·​·​·​·​·​are·​described·​in·​detail·​in·​the<span·​class="bold_code"><a·​href="javascript:​erlhref('.​.​/​.​.​/​',​'kernel',​'app.​html')​;​">
352 ·​·​·​·​·​·​Application·​resource·​file·​reference</​a></​span>.​</​p></​p></​div> 352 ·​·​·​·​·​·​Application·​resource·​file·​reference</​a></​span>.​</​p></​p></​div>
353 </​div> 353 </​div>
354 ·​·​ 354 ·​·​
   
355 ·​·​<h3><a·​name="idm139721473152​096">7.​4  355 ·​·​<h3><a·​name="idm140231008043​200">7.​4 
356 ·​·​·​·​·​·​·​·​Directory·​Structure</​a></​h3> 356 ·​·​·​·​·​·​·​·​Directory·​Structure</​a></​h3>
357 ·​·​·​·​<a·​name="app_dir"></​a> 357 ·​·​·​·​<a·​name="app_dir"></​a>
358 ·​·​·​·​ 358 ·​·​·​·​
359 ·​·​·​·​<p>When·​packaging·​code·​using·​<span·​class="code">systools​</​span>,​·​the·​code·​for·​each 359 ·​·​·​·​<p>When·​packaging·​code·​using·​<span·​class="code">systools​</​span>,​·​the·​code·​for·​each
360 ·​·​·​·​·​·​application·​is·​placed·​in·​a·​separate·​directory 360 ·​·​·​·​·​·​application·​is·​placed·​in·​a·​separate·​directory
361 ·​·​·​·​·​·​<span·​class="code">lib/​Application-​Vsn</​span>,​·​where·​<span·​class="code">Vsn</​span>·​is·​the·​version·​number.​</​p> 361 ·​·​·​·​·​·​<span·​class="code">lib/​Application-​Vsn</​span>,​·​where·​<span·​class="code">Vsn</​span>·​is·​the·​version·​number.​</​p>
362 ·​·​·​·​<p>This·​may·​be·​useful·​to·​know,​·​even·​if·​<span·​class="code">systools​</​span>·​is·​not·​used,​ 362 ·​·​·​·​<p>This·​may·​be·​useful·​to·​know,​·​even·​if·​<span·​class="code">systools​</​span>·​is·​not·​used,​
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387 ·​·​·​·​·​·​·​executables·​are·​placed·​here.​·​The·​function·​<span·​class="code">code:​priv_dir/​1</​span> 387 ·​·​·​·​·​·​·​executables·​are·​placed·​here.​·​The·​function·​<span·​class="code">code:​priv_dir/​1</​span>
388 ·​·​·​·​·​·​·​should·​be·​used·​to·​access·​this·​directory.​</​dd> 388 ·​·​·​·​·​·​·​should·​be·​used·​to·​access·​this·​directory.​</​dd>
389 ·​·​·​·​·​·​<dt><strong><span·​class="code">include<​/​span></​strong></​dt> 389 ·​·​·​·​·​·​<dt><strong><span·​class="code">include<​/​span></​strong></​dt>
390 ·​·​·​·​·​·​<dd>Used·​for·​include·​files.​</​dd> 390 ·​·​·​·​·​·​<dd>Used·​for·​include·​files.​</​dd>
391 ·​·​·​·​</​dl> 391 ·​·​·​·​</​dl>
392 ·​·​ 392 ·​·​
   
393 ·​·​<h3><a·​name="idm139721473136​960">7.​5  393 ·​·​<h3><a·​name="idm140231008028​064">7.​5 
394 ·​·​·​·​·​·​·​·​Application·​Controller</​a></​h3> 394 ·​·​·​·​·​·​·​·​Application·​Controller</​a></​h3>
395 ·​·​·​·​<a·​name="application_con​troller"></​a> 395 ·​·​·​·​<a·​name="application_con​troller"></​a>
396 ·​·​·​·​ 396 ·​·​·​·​
397 ·​·​·​·​<p>When·​an·​Erlang·​runtime·​system·​is·​started,​·​a·​number·​of·​processes 397 ·​·​·​·​<p>When·​an·​Erlang·​runtime·​system·​is·​started,​·​a·​number·​of·​processes
398 ·​·​·​·​·​·​are·​started·​as·​part·​of·​the·​Kernel·​application.​·​One·​of·​these 398 ·​·​·​·​·​·​are·​started·​as·​part·​of·​the·​Kernel·​application.​·​One·​of·​these
399 ·​·​·​·​·​·​processes·​is·​the·​<strong>application·​controller</​strong>·​process,​ 399 ·​·​·​·​·​·​processes·​is·​the·​<strong>application·​controller</​strong>·​process,​
400 ·​·​·​·​·​·​registered·​as·​<span·​class="code">applicat​ion_controller</​span>.​</​p> 400 ·​·​·​·​·​·​registered·​as·​<span·​class="code">applicat​ion_controller</​span>.​</​p>
401 ·​·​·​·​<p>All·​operations·​on·​applications·​are·​coordinated·​by·​the·​application 401 ·​·​·​·​<p>All·​operations·​on·​applications·​are·​coordinated·​by·​the·​application
402 ·​·​·​·​·​·​controller.​·​It·​is·​interfaced·​through·​the·​functions·​in 402 ·​·​·​·​·​·​controller.​·​It·​is·​interfaced·​through·​the·​functions·​in
403 ·​·​·​·​·​·​the·​module·​<span·​class="code">applicat​ion</​span>,​·​see·​<span·​class="code">applicat​ion(3)​</​span>.​ 403 ·​·​·​·​·​·​the·​module·​<span·​class="code">applicat​ion</​span>,​·​see·​<span·​class="code">applicat​ion(3)​</​span>.​
404 ·​·​·​·​·​·​In·​particular,​·​applications·​can·​be·​loaded,​·​unloaded,​·​started·​and 404 ·​·​·​·​·​·​In·​particular,​·​applications·​can·​be·​loaded,​·​unloaded,​·​started·​and
405 ·​·​·​·​·​·​stopped.​</​p> 405 ·​·​·​·​·​·​stopped.​</​p>
406 ·​·​ 406 ·​·​
   
407 ·​·​<h3><a·​name="idm139721473133​024">7.​6  407 ·​·​<h3><a·​name="idm140231008024​128">7.​6 
408 ·​·​·​·​·​·​·​·​Loading·​and·​Unloading·​Applications</​a></​h3> 408 ·​·​·​·​·​·​·​·​Loading·​and·​Unloading·​Applications</​a></​h3>
409 ·​·​·​·​ 409 ·​·​·​·​
410 ·​·​·​·​<p>Before·​an·​application·​can·​be·​started,​·​it·​must·​be·​<strong>loaded</​strong>.​ 410 ·​·​·​·​<p>Before·​an·​application·​can·​be·​started,​·​it·​must·​be·​<strong>loaded</​strong>.​
411 ·​·​·​·​·​·​The·​application·​controller·​reads·​and·​stores·​the·​information·​from 411 ·​·​·​·​·​·​The·​application·​controller·​reads·​and·​stores·​the·​information·​from
412 ·​·​·​·​·​·​the·​<span·​class="code">.​app</​span>·​file.​</​p> 412 ·​·​·​·​·​·​the·​<span·​class="code">.​app</​span>·​file.​</​p>
413 ·​·​·​·​<div·​class="example"><pre>​ 413 ·​·​·​·​<div·​class="example"><pre>​
414 1&gt;​·​<span·​class="bold_code">app​lication:​load(ch_app)​.​</​span> 414 1&gt;​·​<span·​class="bold_code">app​lication:​load(ch_app)​.​</​span>
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433 <div·​class="content"><p> 433 <div·​class="content"><p>
434 ·​·​·​·​·​·​<p>Loading/​unloading·​an·​application·​does·​not·​load/​unload·​the·​code 434 ·​·​·​·​·​·​<p>Loading/​unloading·​an·​application·​does·​not·​load/​unload·​the·​code
435 ·​·​·​·​·​·​·​·​used·​by·​the·​application.​·​Code·​loading·​is·​done·​the·​usual·​way.​</​p> 435 ·​·​·​·​·​·​·​·​used·​by·​the·​application.​·​Code·​loading·​is·​done·​the·​usual·​way.​</​p>
436 ·​·​·​·​</​p></​div> 436 ·​·​·​·​</​p></​div>
437 </​div> 437 </​div>
438 ·​·​ 438 ·​·​
   
439 ·​·​<h3><a·​name="idm139721473125​568">7.​7  439 ·​·​<h3><a·​name="idm140231008016​672">7.​7 
440 ·​·​·​·​·​·​·​·​Starting·​and·​Stopping·​Applications</​a></​h3> 440 ·​·​·​·​·​·​·​·​Starting·​and·​Stopping·​Applications</​a></​h3>
441 ·​·​·​·​<a·​name="stopping"></​a> 441 ·​·​·​·​<a·​name="stopping"></​a>
442 ·​·​·​·​ 442 ·​·​·​·​
443 ·​·​·​·​<p>An·​application·​is·​started·​by·​calling:​</​p> 443 ·​·​·​·​<p>An·​application·​is·​started·​by·​calling:​</​p>
444 ·​·​·​·​<div·​class="example"><pre>​ 444 ·​·​·​·​<div·​class="example"><pre>​
445 5&gt;​·​<span·​class="bold_code">app​lication:​start(ch_app)​.​</​span> 445 5&gt;​·​<span·​class="bold_code">app​lication:​start(ch_app)​.​</​span>
446 ok 446 ok
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469 ·​·​·​·​·​·​supervisor·​to·​shutdown.​·​The·​top·​supervisor·​tells·​all·​its·​child 469 ·​·​·​·​·​·​supervisor·​to·​shutdown.​·​The·​top·​supervisor·​tells·​all·​its·​child
470 ·​·​·​·​·​·​processes·​to·​shutdown·​etc.​·​and·​the·​entire·​tree·​is·​terminated·​in 470 ·​·​·​·​·​·​processes·​to·​shutdown·​etc.​·​and·​the·​entire·​tree·​is·​terminated·​in
471 ·​·​·​·​·​·​reversed·​start·​order.​·​The·​application·​master·​then·​calls 471 ·​·​·​·​·​·​reversed·​start·​order.​·​The·​application·​master·​then·​calls
472 ·​·​·​·​·​·​the·​application·​callback·​function·​<span·​class="code">stop/​1</​span>·​in·​the·​module 472 ·​·​·​·​·​·​the·​application·​callback·​function·​<span·​class="code">stop/​1</​span>·​in·​the·​module
473 ·​·​·​·​·​·​defined·​by·​the·​<span·​class="code">mod</​span>·​key.​</​p> 473 ·​·​·​·​·​·​defined·​by·​the·​<span·​class="code">mod</​span>·​key.​</​p>
474 ·​·​ 474 ·​·​
   
475 ·​·​<h3><a·​name="idm139721473115​056">7.​8  475 ·​·​<h3><a·​name="idm140231008006​160">7.​8 
476 ·​·​·​·​·​·​·​·​Configuring·​an·​Application</​a></​h3> 476 ·​·​·​·​·​·​·​·​Configuring·​an·​Application</​a></​h3>
477 ·​·​·​·​ 477 ·​·​·​·​
478 ·​·​·​·​<p>An·​application·​can·​be·​configured·​using·​<strong>configuration​·​parameters</​strong>.​·​These·​are·​a·​list·​of·​<span·​class="code">{Par,​·​Val}</​span>·​tuples 478 ·​·​·​·​<p>An·​application·​can·​be·​configured·​using·​<strong>configuration​·​parameters</​strong>.​·​These·​are·​a·​list·​of·​<span·​class="code">{Par,​·​Val}</​span>·​tuples
479 ·​·​·​·​·​·​specified·​by·​a·​key·​<span·​class="code">env</​span>·​in·​the·​<span·​class="code">.​app</​span>·​file.​</​p> 479 ·​·​·​·​·​·​specified·​by·​a·​key·​<span·​class="code">env</​span>·​in·​the·​<span·​class="code">.​app</​span>·​file.​</​p>
480 ·​·​·​·​<div·​class="example"><pre>​ 480 ·​·​·​·​<div·​class="example"><pre>​
481 {application,​·​ch_app,​ 481 {application,​·​ch_app,​
482 ·​[{description,​·​"Channel·​allocator"},​ 482 ·​[{description,​·​"Channel·​allocator"},​
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544 Eshell·​V5.​2.​3.​6·​·​(abort·​with·​^G)​ 544 Eshell·​V5.​2.​3.​6·​·​(abort·​with·​^G)​
545 1&gt;​·​<span·​class="bold_code">app​lication:​start(ch_app)​.​</​span> 545 1&gt;​·​<span·​class="bold_code">app​lication:​start(ch_app)​.​</​span>
546 ok 546 ok
547 2&gt;​·​<span·​class="bold_code">app​lication:​get_env(ch_app,​·​file)​.​</​span> 547 2&gt;​·​<span·​class="bold_code">app​lication:​get_env(ch_app,​·​file)​.​</​span>
548 {ok,​"testlog"}</​pre></​div> 548 {ok,​"testlog"}</​pre></​div>
549 ·​·​ 549 ·​·​
   
550 ·​·​<h3><a·​name="idm139721473091​120">7.​9  550 ·​·​<h3><a·​name="idm140231007982​224">7.​9 
551 ·​·​·​·​·​·​·​·​Application·​Start·​Types</​a></​h3> 551 ·​·​·​·​·​·​·​·​Application·​Start·​Types</​a></​h3>
552 ·​·​·​·​ 552 ·​·​·​·​
553 ·​·​·​·​<p>A·​<strong>start·​type</​strong>·​is·​defined·​when·​starting·​the·​application:​</​p> 553 ·​·​·​·​<p>A·​<strong>start·​type</​strong>·​is·​defined·​when·​starting·​the·​application:​</​p>
554 ·​·​·​·​<div·​class="example"><pre>​ 554 ·​·​·​·​<div·​class="example"><pre>​
555 application:​start(Application,​·​Type)​</​pre></​div> 555 application:​start(Application,​·​Type)​</​pre></​div>
556 ·​·​·​·​<p><span·​class="code">applicat​ion:​start(Application)​</​span>·​is·​the·​same·​as·​calling 556 ·​·​·​·​<p><span·​class="code">applicat​ion:​start(Application)​</​span>·​is·​the·​same·​as·​calling
557 ·​·​·​·​·​·​<span·​class="code">applicat​ion:​start(Application,​·​temporary)​</​span>.​·​The·​type·​can 557 ·​·​·​·​·​·​<span·​class="code">applicat​ion:​start(Application,​·​temporary)​</​span>.​·​The·​type·​can
./usr/share/doc/erlang-17.4/doc/design_principles/appup_cookbook.html
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47 <img·​alt="Erlang·​logo"·​src=".​.​/​erlang-​logo.​png"><br><small><a·​href="users_guide.​html">User's·​Guide</​a><br><a·​href=".​.​/​pdf/​otp-​system-​documentation-​6.​3.​pdf">PDF</​a><br><a·​href=".​.​/​index.​html">Top</​a></​small><p><strong>OTP·​Design·​Principles</​strong><br><strong>Us​er's·​Guide</​strong><br><small>Ver​sion·​6.​3</​small></​p> 47 <img·​alt="Erlang·​logo"·​src=".​.​/​erlang-​logo.​png"><br><small><a·​href="users_guide.​html">User's·​Guide</​a><br><a·​href=".​.​/​pdf/​otp-​system-​documentation-​6.​3.​pdf">PDF</​a><br><a·​href=".​.​/​index.​html">Top</​a></​small><p><strong>OTP·​Design·​Principles</​strong><br><strong>Us​er's·​Guide</​strong><br><small>Ver​sion·​6.​3</​small></​p>
48 <br><a·​href="javascript:​openAllFlips()​">Expand·​All</​a><br><a·​href="javascript:​closeAllFlips()​">Contract·​All</​a><p><small><strong>C​hapters</​strong></​small></​p> 48 <br><a·​href="javascript:​openAllFlips()​">Expand·​All</​a><br><a·​href="javascript:​closeAllFlips()​">Contract·​All</​a><p><small><strong>C​hapters</​strong></​small></​p>
49 <ul·​class="flipMenu"·​imagepath=".​.​/​js/​flipmenu"> 49 <ul·​class="flipMenu"·​imagepath=".​.​/​js/​flipmenu">
50 <li·​id="no"·​title="Overview"·​expanded="false">Over​view<ul> 50 <li·​id="no"·​title="Overview"·​expanded="false">Over​view<ul>
51 <li><a·​href="des_princ.​html"> 51 <li><a·​href="des_princ.​html">
52 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 52 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
53 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 53 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
54 <li·​title="Supervision·​Trees"><a·​href="des_princ.​html#idm1397214738212​96">Supervision·​Trees</​a></​li> 54 <li·​title="Supervision·​Trees"><a·​href="des_princ.​html#idm1402310086645​92">Supervision·​Trees</​a></​li>
55 <li·​title="Behaviours"><a​·​href="des_princ.​html#idm1397214738293​92">Behaviours</​a></​li> 55 <li·​title="Behaviours"><a​·​href="des_princ.​html#idm1402310086726​88">Behaviours</​a></​li>
56 <li·​title="Applications">​<a·​href="des_princ.​html#idm1397214738587​52">Applications</​a></​li> 56 <li·​title="Applications">​<a·​href="des_princ.​html#idm1402310087520​16">Applications</​a></​li>
57 <li·​title="Releases"><a·​href="des_princ.​html#idm1397214738637​44">Releases</​a></​li> 57 <li·​title="Releases"><a·​href="des_princ.​html#idm1402310087570​72">Releases</​a></​li>
58 <li·​title="Release·​Handling"><a·​href="des_princ.​html#idm1397214739808​96">Release·​Handling</​a></​li> 58 <li·​title="Release·​Handling"><a·​href="des_princ.​html#idm1402310087605​92">Release·​Handling</​a></​li>
59 </​ul> 59 </​ul>
60 </​li> 60 </​li>
61 <li·​id="no"·​title="Gen_Server·​Behaviour"·​expanded="false">Gen_​Server·​Behaviour<ul> 61 <li·​id="no"·​title="Gen_Server·​Behaviour"·​expanded="false">Gen_​Server·​Behaviour<ul>
62 <li><a·​href="gen_server_conc​epts.​html"> 62 <li><a·​href="gen_server_conc​epts.​html">
63 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 63 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
64 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 64 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
65 <li·​title="Client-​Server·​Principles"><a·​href="gen_server_conc​epts.​html#idm1397214739903​84">Client-​Server·​Principles</​a></​li> 65 <li·​title="Client-​Server·​Principles"><a·​href="gen_server_conc​epts.​html#idm1402310087701​28">Client-​Server·​Principles</​a></​li>
66 <li·​title="Example"><a·​href="gen_server_conc​epts.​html#idm1397214739937​92">Example</​a></​li> 66 <li·​title="Example"><a·​href="gen_server_conc​epts.​html#idm1402310086976​32">Example</​a></​li>
67 <li·​title="Starting·​a·​Gen_Server"><a·​href="gen_server_conc​epts.​html#idm1397214739981​60">Starting·​a·​Gen_Server</​a></​li> 67 <li·​title="Starting·​a·​Gen_Server"><a·​href="gen_server_conc​epts.​html#idm1402310087020​00">Starting·​a·​Gen_Server</​a></​li>
68 <li·​title="Synchronous·​Requests·​-​·​Call"><a·​href="gen_server_conc​epts.​html#idm1397214737669​92">Synchronous·​Requests·​-​·​Call</​a></​li> 68 <li·​title="Synchronous·​Requests·​-​·​Call"><a·​href="gen_server_conc​epts.​html#idm1402310087762​24">Synchronous·​Requests·​-​·​Call</​a></​li>
69 <li·​title="Asynchronous·​Requests·​-​·​Cast"><a·​href="gen_server_conc​epts.​html#idm1397214740228​64">Asynchronous·​Requests·​-​·​Cast</​a></​li> 69 <li·​title="Asynchronous·​Requests·​-​·​Cast"><a·​href="gen_server_conc​epts.​html#idm1402310087864​32">Asynchronous·​Requests·​-​·​Cast</​a></​li>
70 <li·​title="Stopping"><a·​href="gen_server_conc​epts.​html#idm1397214738923​52">Stopping</​a></​li> 70 <li·​title="Stopping"><a·​href="gen_server_conc​epts.​html#idm1402310090753​76">Stopping</​a></​li>
71 <li·​title="Handling·​Other·​Messages"><a·​href="gen_server_conc​epts.​html#idm1397214739025​12">Handling·​Other·​Messages</​a></​li> 71 <li·​title="Handling·​Other·​Messages"><a·​href="gen_server_conc​epts.​html#idm1402310086217​44">Handling·​Other·​Messages</​a></​li>
72 </​ul> 72 </​ul>
73 </​li> 73 </​li>
74 <li·​id="no"·​title="Gen_Fsm·​Behaviour"·​expanded="false">Gen_​Fsm·​Behaviour<ul> 74 <li·​id="no"·​title="Gen_Fsm·​Behaviour"·​expanded="false">Gen_​Fsm·​Behaviour<ul>
75 <li><a·​href="fsm.​html"> 75 <li><a·​href="fsm.​html">
76 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 76 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
77 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 77 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
78 <li·​title="Finite·​State·​Machines"><a·​href="fsm.​html#idm1397214739128​16">Finite·​State·​Machines</​a></​li> 78 <li·​title="Finite·​State·​Machines"><a·​href="fsm.​html#idm1402310090907​52">Finite·​State·​Machines</​a></​li>
79 <li·​title="Example"><a·​href="fsm.​html#idm1397214744873​28">Example</​a></​li> 79 <li·​title="Example"><a·​href="fsm.​html#idm1402310087992​48">Example</​a></​li>
80 <li·​title="Starting·​a·​Gen_Fsm"><a·​href="fsm.​html#idm1397214737307​36">Starting·​a·​Gen_Fsm</​a></​li> 80 <li·​title="Starting·​a·​Gen_Fsm"><a·​href="fsm.​html#idm1402310095516​00">Starting·​a·​Gen_Fsm</​a></​li>
81 <li·​title="Notifying·​About·​Events"><a·​href="fsm.​html#idm1397214737268​48">Notifying·​About·​Events</​a></​li> 81 <li·​title="Notifying·​About·​Events"><a·​href="fsm.​html#idm1402310091153​60">Notifying·​About·​Events</​a></​li>
82 <li·​title="Timeouts"><a·​href="fsm.​html#idm1397214745703​04">Timeouts</​a></​li> 82 <li·​title="Timeouts"><a·​href="fsm.​html#idm1402310098085​44">Timeouts</​a></​li>
83 <li·​title="All·​State·​Events"><a·​href="fsm.​html#idm1397214746614​08">All·​State·​Events</​a></​li> 83 <li·​title="All·​State·​Events"><a·​href="fsm.​html#idm1402310093031​52">All·​State·​Events</​a></​li>
84 <li·​title="Stopping"><a·​href="fsm.​html#idm1397214746854​40">Stopping</​a></​li> 84 <li·​title="Stopping"><a·​href="fsm.​html#idm1402310089129​76">Stopping</​a></​li>
85 <li·​title="Handling·​Other·​Messages"><a·​href="fsm.​html#idm1397214740112​00">Handling·​Other·​Messages</​a></​li> 85 <li·​title="Handling·​Other·​Messages"><a·​href="fsm.​html#idm1402310084326​88">Handling·​Other·​Messages</​a></​li>
86 </​ul> 86 </​ul>
87 </​li> 87 </​li>
88 <li·​id="no"·​title="Gen_Event·​Behaviour"·​expanded="false">Gen_​Event·​Behaviour<ul> 88 <li·​id="no"·​title="Gen_Event·​Behaviour"·​expanded="false">Gen_​Event·​Behaviour<ul>
89 <li><a·​href="events.​html"> 89 <li><a·​href="events.​html">
90 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 90 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
91 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 91 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
92 <li·​title="Event·​Handling·​Principles"><a·​href="events.​html#idm1397214751144​00">Event·​Handling·​Principles</​a></​li> 92 <li·​title="Event·​Handling·​Principles"><a·​href="events.​html#idm1402310091793​92">Event·​Handling·​Principles</​a></​li>
93 <li·​title="Example"><a·​href="events.​html#idm1397214738065​60">Example</​a></​li> 93 <li·​title="Example"><a·​href="events.​html#idm1402310084171​52">Example</​a></​li>
94 <li·​title="Starting·​an·​Event·​Manager"><a·​href="events.​html#idm1397214738025​44">Starting·​an·​Event·​Manager</​a></​li> 94 <li·​title="Starting·​an·​Event·​Manager"><a·​href="events.​html#idm1402310084131​36">Starting·​an·​Event·​Manager</​a></​li>
95 <li·​title="Adding·​an·​Event·​Handler"><a·​href="events.​html#idm1397214747192​64">Adding·​an·​Event·​Handler</​a></​li> 95 <li·​title="Adding·​an·​Event·​Handler"><a·​href="events.​html#idm1402310093887​52">Adding·​an·​Event·​Handler</​a></​li>
96 <li·​title="Notifying·​About·​Events"><a·​href="events.​html#idm1397214738881​76">Notifying·​About·​Events</​a></​li> 96 <li·​title="Notifying·​About·​Events"><a·​href="events.​html#idm1402310087285​12">Notifying·​About·​Events</​a></​li>
97 <li·​title="Deleting·​an·​Event·​Handler"><a·​href="events.​html#idm1397214738804​00">Deleting·​an·​Event·​Handler</​a></​li> 97 <li·​title="Deleting·​an·​Event·​Handler"><a·​href="events.​html#idm1402310087207​36">Deleting·​an·​Event·​Handler</​a></​li>
98 <li·​title="Stopping"><a·​href="events.​html#idm1397214738724​64">Stopping</​a></​li> 98 <li·​title="Stopping"><a·​href="events.​html#idm1402310086894​08">Stopping</​a></​li>
99 <li·​title="Handling·​Other·​Messages"><a·​href="events.​html#idm1397214738663​04">Handling·​Other·​Messages</​a></​li> 99 <li·​title="Handling·​Other·​Messages"><a·​href="events.​html#idm1402310086832​48">Handling·​Other·​Messages</​a></​li>
100 </​ul> 100 </​ul>
101 </​li> 101 </​li>
102 <li·​id="no"·​title="Supervisor·​Behaviour"·​expanded="false">Supe​rvisor·​Behaviour<ul> 102 <li·​id="no"·​title="Supervisor·​Behaviour"·​expanded="false">Supe​rvisor·​Behaviour<ul>
103 <li><a·​href="sup_princ.​html"> 103 <li><a·​href="sup_princ.​html">
104 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 104 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
105 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 105 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
106 <li·​title="Supervision·​Principles"><a·​href="sup_princ.​html#idm1397214734009​44">Supervision·​Principles</​a></​li> 106 <li·​title="Supervision·​Principles"><a·​href="sup_princ.​html#idm1402310082917​44">Supervision·​Principles</​a></​li>
107 <li·​title="Example"><a·​href="sup_princ.​html#idm1397214733982​56">Example</​a></​li> 107 <li·​title="Example"><a·​href="sup_princ.​html#idm1402310096825​28">Example</​a></​li>
108 <li·​title="Restart·​Strategy"><a·​href="sup_princ.​html#idm1397214733907​20">Restart·​Strategy</​a></​li> 108 <li·​title="Restart·​Strategy"><a·​href="sup_princ.​html#idm1402310096296​32">Restart·​Strategy</​a></​li>
109 <li·​title="Maximum·​Restart·​Frequency"><a·​href="sup_princ.​html#idm1397214733820​32">Maximum·​Restart·​Frequency</​a></​li> 109 <li·​title="Maximum·​Restart·​Frequency"><a·​href="sup_princ.​html#idm1402310088963​68">Maximum·​Restart·​Frequency</​a></​li>
110 <li·​title="Child·​Specification"><a·​href="sup_princ.​html#idm1397214741044​48">Child·​Specification</​a></​li> 110 <li·​title="Child·​Specification"><a·​href="sup_princ.​html#idm1402310082857​44">Child·​Specification</​a></​li>
111 <li·​title="Starting·​a·​Supervisor"><a·​href="sup_princ.​html#idm1397214733595​20">Starting·​a·​Supervisor</​a></​li> 111 <li·​title="Starting·​a·​Supervisor"><a·​href="sup_princ.​html#idm1402310082533​28">Starting·​a·​Supervisor</​a></​li>
112 <li·​title="Adding·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1397214733484​00">Adding·​a·​Child·​Process</​a></​li> 112 <li·​title="Adding·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1402310082422​08">Adding·​a·​Child·​Process</​a></​li>
113 <li·​title="Stopping·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1397214733440​16">Stopping·​a·​Child·​Process</​a></​li> 113 <li·​title="Stopping·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1402310082378​24">Stopping·​a·​Child·​Process</​a></​li>
114 <li·​title="Simple-​One-​For-​One·​Supervisors"><a·​href="sup_princ.​html#idm1397214733392​48">Simple-​One-​For-​One·​Supervisors</​a></​li> 114 <li·​title="Simple-​One-​For-​One·​Supervisors"><a·​href="sup_princ.​html#idm1402310082330​24">Simple-​One-​For-​One·​Supervisors</​a></​li>
115 <li·​title="Stopping"><a·​href="sup_princ.​html#idm1397214733269​76">Stopping</​a></​li> 115 <li·​title="Stopping"><a·​href="sup_princ.​html#idm1402310082180​80">Stopping</​a></​li>
116 </​ul> 116 </​ul>
117 </​li> 117 </​li>
118 <li·​id="no"·​title="Sys·​and·​Proc_Lib"·​expanded="false">Sys·​and·​Proc_Lib<ul> 118 <li·​id="no"·​title="Sys·​and·​Proc_Lib"·​expanded="false">Sys·​and·​Proc_Lib<ul>
119 <li><a·​href="spec_proc.​html"> 119 <li><a·​href="spec_proc.​html">
120 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 120 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
121 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 121 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
122 <li·​title="Simple·​Debugging"><a·​href="spec_proc.​html#idm1397214733152​80">Simple·​Debugging</​a></​li> 122 <li·​title="Simple·​Debugging"><a·​href="spec_proc.​html#idm1402310082063​84">Simple·​Debugging</​a></​li>
123 <li·​title="Special·​Processes"><a·​href="spec_proc.​html#idm1397214733051​52">Special·​Processes</​a></​li> 123 <li·​title="Special·​Processes"><a·​href="spec_proc.​html#idm1402310081962​56">Special·​Processes</​a></​li>
124 <li·​title="User-​Defined·​Behaviours"><a·​href="spec_proc.​html#idm1397214732279​04">User-​Defined·​Behaviours</​a></​li> 124 <li·​title="User-​Defined·​Behaviours"><a·​href="spec_proc.​html#idm1402310081190​08">User-​Defined·​Behaviours</​a></​li>
125 </​ul> 125 </​ul>
126 </​li> 126 </​li>
127 <li·​id="no"·​title="Applications"·​expanded="false">Appl​ications<ul> 127 <li·​id="no"·​title="Applications"·​expanded="false">Appl​ications<ul>
128 <li><a·​href="applications.​html"> 128 <li><a·​href="applications.​html">
129 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 129 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
130 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 130 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
131 <li·​title="Application·​Concept"><a·​href="applications.​html#idm1397214732041​60">Application·​Concept</​a></​li> 131 <li·​title="Application·​Concept"><a·​href="applications.​html#idm1402310080952​64">Application·​Concept</​a></​li>
132 <li·​title="Application·​Callback·​Module"><a·​href="applications.​html#idm1397214731961​12">Application·​Callback·​Module</​a></​li> 132 <li·​title="Application·​Callback·​Module"><a·​href="applications.​html#idm1402310080872​16">Application·​Callback·​Module</​a></​li>
133 <li·​title="Application·​Resource·​File"><a·​href="applications.​html#idm1397214731824​32">Application·​Resource·​File</​a></​li> 133 <li·​title="Application·​Resource·​File"><a·​href="applications.​html#idm1402310080735​36">Application·​Resource·​File</​a></​li>
134 <li·​title="Directory·​Structure"><a·​href="applications.​html#idm1397214731520​96">Directory·​Structure</​a></​li> 134 <li·​title="Directory·​Structure"><a·​href="applications.​html#idm1402310080432​00">Directory·​Structure</​a></​li>
135 <li·​title="Application·​Controller"><a·​href="applications.​html#idm1397214731369​60">Application·​Controller</​a></​li> 135 <li·​title="Application·​Controller"><a·​href="applications.​html#idm1402310080280​64">Application·​Controller</​a></​li>
136 <li·​title="Loading·​and·​Unloading·​Applications"><a·​href="applications.​html#idm1397214731330​24">Loading·​and·​Unloading·​Applications</​a></​li> 136 <li·​title="Loading·​and·​Unloading·​Applications"><a·​href="applications.​html#idm1402310080241​28">Loading·​and·​Unloading·​Applications</​a></​li>
137 <li·​title="Starting·​and·​Stopping·​Applications"><a·​href="applications.​html#idm1397214731255​68">Starting·​and·​Stopping·​Applications</​a></​li> 137 <li·​title="Starting·​and·​Stopping·​Applications"><a·​href="applications.​html#idm1402310080166​72">Starting·​and·​Stopping·​Applications</​a></​li>
138 <li·​title="Configuring·​an·​Application"><a·​href="applications.​html#idm1397214731150​56">Configuring·​an·​Application</​a></​li> 138 <li·​title="Configuring·​an·​Application"><a·​href="applications.​html#idm1402310080061​60">Configuring·​an·​Application</​a></​li>
139 <li·​title="Application·​Start·​Types"><a·​href="applications.​html#idm1397214730911​20">Application·​Start·​Types</​a></​li> 139 <li·​title="Application·​Start·​Types"><a·​href="applications.​html#idm1402310079822​24">Application·​Start·​Types</​a></​li>
140 </​ul> 140 </​ul>
141 </​li> 141 </​li>
142 <li·​id="no"·​title="Included·​Applications"·​expanded="false">Incl​uded·​Applications<ul> 142 <li·​id="no"·​title="Included·​Applications"·​expanded="false">Incl​uded·​Applications<ul>
143 <li><a·​href="included_applic​ations.​html"> 143 <li><a·​href="included_applic​ations.​html">
144 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 144 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
145 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 145 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
146 <li·​title="Definition"><a​·​href="included_applic​ations.​html#idm1397214730743​52">Definition</​a></​li> 146 <li·​title="Definition"><a​·​href="included_applic​ations.​html#idm1402310079654​56">Definition</​a></​li>
147 <li·​title="Specifying·​Included·​Applications"><a·​href="included_applic​ations.​html#idm1397214730664​96">Specifying·​Included·​Applications</​a></​li> 147 <li·​title="Specifying·​Included·​Applications"><a·​href="included_applic​ations.​html#idm1402310079576​00">Specifying·​Included·​Applications</​a></​li>
148 <li·​title="Synchronizing·​Processes·​During·​Startup"><a·​href="included_applic​ations.​html#idm1397214730634​56">Synchronizing·​Processes·​During·​Startup</​a></​li> 148 <li·​title="Synchronizing·​Processes·​During·​Startup"><a·​href="included_applic​ations.​html#idm1402310079545​60">Synchronizing·​Processes·​During·​Startup</​a></​li>
149 </​ul> 149 </​ul>
150 </​li> 150 </​li>
151 <li·​id="no"·​title="Distributed·​Applications"·​expanded="false">Dist​ributed·​Applications<ul> 151 <li·​id="no"·​title="Distributed·​Applications"·​expanded="false">Dist​ributed·​Applications<ul>
152 <li><a·​href="distributed_app​lications.​html"> 152 <li><a·​href="distributed_app​lications.​html">
153 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 153 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
154 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 154 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
155 <li·​title="Definition"><a​·​href="distributed_app​lications.​html#idm1397214730378​56">Definition</​a></​li> 155 <li·​title="Definition"><a​·​href="distributed_app​lications.​html#idm1402310079289​60">Definition</​a></​li>
156 <li·​title="Specifying·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1397214730335​36">Specifying·​Distributed·​Applications</​a></​li> 156 <li·​title="Specifying·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1402310079246​40">Specifying·​Distributed·​Applications</​a></​li>
157 <li·​title="Starting·​and·​Stopping·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1397214730087​68">Starting·​and·​Stopping·​Distributed·​Applications</​a></​li> 157 <li·​title="Starting·​and·​Stopping·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1402310078998​72">Starting·​and·​Stopping·​Distributed·​Applications</​a></​li>
158 <li·​title="Failover"><a·​href="distributed_app​lications.​html#idm1397214729965​28">Failover</​a></​li> 158 <li·​title="Failover"><a·​href="distributed_app​lications.​html#idm1402310078876​32">Failover</​a></​li>
159 <li·​title="Takeover"><a·​href="distributed_app​lications.​html#idm1397214729794​56">Takeover</​a></​li> 159 <li·​title="Takeover"><a·​href="distributed_app​lications.​html#idm1402310078705​60">Takeover</​a></​li>
160 </​ul> 160 </​ul>
161 </​li> 161 </​li>
162 <li·​id="no"·​title="Releases"·​expanded="false">Rele​ases<ul> 162 <li·​id="no"·​title="Releases"·​expanded="false">Rele​ases<ul>
163 <li><a·​href="release_structu​re.​html"> 163 <li><a·​href="release_structu​re.​html">
164 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 164 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
165 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 165 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
166 <li·​title="Release·​Concept"><a·​href="release_structu​re.​html#idm1397214729560​16">Release·​Concept</​a></​li> 166 <li·​title="Release·​Concept"><a·​href="release_structu​re.​html#idm1402310078471​20">Release·​Concept</​a></​li>
167 <li·​title="Release·​Resource·​File"><a·​href="release_structu​re.​html#idm1397214729497​12">Release·​Resource·​File</​a></​li> 167 <li·​title="Release·​Resource·​File"><a·​href="release_structu​re.​html#idm1402310078408​16">Release·​Resource·​File</​a></​li>
168 <li·​title="Generating·​Boot·​Scripts"><a·​href="release_structu​re.​html#idm1397214729320​00">Generating·​Boot·​Scripts</​a></​li> 168 <li·​title="Generating·​Boot·​Scripts"><a·​href="release_structu​re.​html#idm1402310078231​04">Generating·​Boot·​Scripts</​a></​li>
169 <li·​title="Creating·​a·​Release·​Package"><a·​href="release_structu​re.​html#idm1397214729207​36">Creating·​a·​Release·​Package</​a></​li> 169 <li·​title="Creating·​a·​Release·​Package"><a·​href="release_structu​re.​html#idm1402310078118​40">Creating·​a·​Release·​Package</​a></​li>
170 <li·​title="Directory·​Structure"><a·​href="release_structu​re.​html#idm1397214729029​12">Directory·​Structure</​a></​li> 170 <li·​title="Directory·​Structure"><a·​href="release_structu​re.​html#idm1402310077940​16">Directory·​Structure</​a></​li>
171 </​ul> 171 </​ul>
172 </​li> 172 </​li>
173 <li·​id="no"·​title="Release·​Handling"·​expanded="false">Rele​ase·​Handling<ul> 173 <li·​id="no"·​title="Release·​Handling"·​expanded="false">Rele​ase·​Handling<ul>
174 <li><a·​href="release_handlin​g.​html"> 174 <li><a·​href="release_handlin​g.​html">
175 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 175 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
176 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 176 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
177 <li·​title="Release·​Handling·​Principles"><a·​href="release_handlin​g.​html#idm1397214728725​44">Release·​Handling·​Principles</​a></​li> 177 <li·​title="Release·​Handling·​Principles"><a·​href="release_handlin​g.​html#idm1402310077636​48">Release·​Handling·​Principles</​a></​li>
178 <li·​title="Requirements">​<a·​href="release_handlin​g.​html#idm1397214728431​84">Requirements</​a></​li> 178 <li·​title="Requirements">​<a·​href="release_handlin​g.​html#idm1402310077342​88">Requirements</​a></​li>
179 <li·​title="Distributed·​Systems"><a·​href="release_handlin​g.​html#idm1397214728320​48">Distributed·​Systems</​a></​li> 179 <li·​title="Distributed·​Systems"><a·​href="release_handlin​g.​html#idm1402310077231​52">Distributed·​Systems</​a></​li>
180 <li·​title="Release·​Handling·​Instructions"><a·​href="release_handlin​g.​html#idm1397214728288​80">Release·​Handling·​Instructions</​a></​li> 180 <li·​title="Release·​Handling·​Instructions"><a·​href="release_handlin​g.​html#idm1402310077199​84">Release·​Handling·​Instructions</​a></​li>
181 <li·​title="Application·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1397214727656​64">Application·​Upgrade·​File</​a></​li> 181 <li·​title="Application·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1402310076567​68">Application·​Upgrade·​File</​a></​li>
182 <li·​title="Release·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1397214727438​24">Release·​Upgrade·​File</​a></​li> 182 <li·​title="Release·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1402310076349​28">Release·​Upgrade·​File</​a></​li>
183 <li·​title="Installing·​a·​Release"><a·​href="release_handlin​g.​html#idm1397214727250​88">Installing·​a·​Release</​a></​li> 183 <li·​title="Installing·​a·​Release"><a·​href="release_handlin​g.​html#idm1402310076161​92">Installing·​a·​Release</​a></​li>
184 <li·​title="Updating·​Application·​Specifications"><a·​href="release_handlin​g.​html#idm1397214726686​08">Updating·​Application·​Specifications</​a></​li> 184 <li·​title="Updating·​Application·​Specifications"><a·​href="release_handlin​g.​html#idm1402310075597​12">Updating·​Application·​Specifications</​a></​li>
185 </​ul> 185 </​ul>
186 </​li> 186 </​li>
187 <li·​id="loadscrollpos"·​title="Appup·​Cookbook"·​expanded="true">Appup​·​Cookbook<ul> 187 <li·​id="loadscrollpos"·​title="Appup·​Cookbook"·​expanded="true">Appup​·​Cookbook<ul>
188 <li><a·​href="appup_cookbook.​html"> 188 <li><a·​href="appup_cookbook.​html">
189 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 189 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
190 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 190 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
191 <li·​title="Changing·​a·​Functional·​Module"><a·​href="appup_cookbook.​html#idm1397214726465​28">Changing·​a·​Functional·​Module</​a></​li> 191 <li·​title="Changing·​a·​Functional·​Module"><a·​href="appup_cookbook.​html#idm1402310075376​32">Changing·​a·​Functional·​Module</​a></​li>
192 <li·​title="Changing·​a·​Residence·​Module"><a·​href="appup_cookbook.​html#idm1397214726437​92">Changing·​a·​Residence·​Module</​a></​li> 192 <li·​title="Changing·​a·​Residence·​Module"><a·​href="appup_cookbook.​html#idm1402310075348​96">Changing·​a·​Residence·​Module</​a></​li>
193 <li·​title="Changing·​a·​Callback·​Module"><a·​href="appup_cookbook.​html#idm1397214726391​36">Changing·​a·​Callback·​Module</​a></​li> 193 <li·​title="Changing·​a·​Callback·​Module"><a·​href="appup_cookbook.​html#idm1402310075302​40">Changing·​a·​Callback·​Module</​a></​li>
194 <li·​title="Changing·​Internal·​State"><a·​href="appup_cookbook.​html#idm1397214726330​08">Changing·​Internal·​State</​a></​li> 194 <li·​title="Changing·​Internal·​State"><a·​href="appup_cookbook.​html#idm1402310075241​12">Changing·​Internal·​State</​a></​li>
195 <li·​title="Module·​Dependencies"><a·​href="appup_cookbook.​html#idm1397214726168​64">Module·​Dependencies</​a></​li> 195 <li·​title="Module·​Dependencies"><a·​href="appup_cookbook.​html#idm1402310075079​68">Module·​Dependencies</​a></​li>
196 <li·​title="Changing·​Code·​For·​a·​Special·​Process"><a·​href="appup_cookbook.​html#idm1397214725963​84">Changing·​Code·​For·​a·​Special·​Process</​a></​li> 196 <li·​title="Changing·​Code·​For·​a·​Special·​Process"><a·​href="appup_cookbook.​html#idm1402310074874​88">Changing·​Code·​For·​a·​Special·​Process</​a></​li>
197 <li·​title="Changing·​a·​Supervisor"><a·​href="appup_cookbook.​html#idm1397214725763​68">Changing·​a·​Supervisor</​a></​li> 197 <li·​title="Changing·​a·​Supervisor"><a·​href="appup_cookbook.​html#idm1402310074674​72">Changing·​a·​Supervisor</​a></​li>
198 <li·​title="Adding·​or·​Deleting·​a·​Module"><a·​href="appup_cookbook.​html#idm1397214725468​64">Adding·​or·​Deleting·​a·​Module</​a></​li> 198 <li·​title="Adding·​or·​Deleting·​a·​Module"><a·​href="appup_cookbook.​html#idm1402310074379​68">Adding·​or·​Deleting·​a·​Module</​a></​li>
199 <li·​title="Starting·​or·​Terminating·​a·​Process"><a·​href="appup_cookbook.​html#idm1397214725438​24">Starting·​or·​Terminating·​a·​Process</​a></​li> 199 <li·​title="Starting·​or·​Terminating·​a·​Process"><a·​href="appup_cookbook.​html#idm1402310074349​28">Starting·​or·​Terminating·​a·​Process</​a></​li>
200 <li·​title="Adding·​or·​Removing·​an·​Application"><a·​href="appup_cookbook.​html#idm1397214725416​00">Adding·​or·​Removing·​an·​Application</​a></​li> 200 <li·​title="Adding·​or·​Removing·​an·​Application"><a·​href="appup_cookbook.​html#idm1402310074327​04">Adding·​or·​Removing·​an·​Application</​a></​li>
201 <li·​title="Restarting·​an·​Application"><a·​href="appup_cookbook.​html#idm1397214725379​20">Restarting·​an·​Application</​a></​li> 201 <li·​title="Restarting·​an·​Application"><a·​href="appup_cookbook.​html#idm1402310074290​24">Restarting·​an·​Application</​a></​li>
202 <li·​title="Changing·​an·​Application·​Specification"><a·​href="appup_cookbook.​html#idm1397214725328​64">Changing·​an·​Application·​Specification</​a></​li> 202 <li·​title="Changing·​an·​Application·​Specification"><a·​href="appup_cookbook.​html#idm1402310074239​68">Changing·​an·​Application·​Specification</​a></​li>
203 <li·​title="Changing·​Application·​Configuration"><a·​href="appup_cookbook.​html#idm1397214725300​00">Changing·​Application·​Configuration</​a></​li> 203 <li·​title="Changing·​Application·​Configuration"><a·​href="appup_cookbook.​html#idm1402310074211​04">Changing·​Application·​Configuration</​a></​li>
204 <li·​title="Changing·​Included·​Applications"><a·​href="appup_cookbook.​html#idm1397214725259​84">Changing·​Included·​Applications</​a></​li> 204 <li·​title="Changing·​Included·​Applications"><a·​href="appup_cookbook.​html#idm1402310074170​88">Changing·​Included·​Applications</​a></​li>
205 <li·​title="Changing·​Non-​Erlang·​Code"><a·​href="appup_cookbook.​html#idm1397214724972​00">Changing·​Non-​Erlang·​Code</​a></​li> 205 <li·​title="Changing·​Non-​Erlang·​Code"><a·​href="appup_cookbook.​html#idm1402310073883​04">Changing·​Non-​Erlang·​Code</​a></​li>
206 <li·​title="Emulator·​Restart·​and·​Upgrade"><a·​href="appup_cookbook.​html#idm1397214724870​56">Emulator·​Restart·​and·​Upgrade</​a></​li> 206 <li·​title="Emulator·​Restart·​and·​Upgrade"><a·​href="appup_cookbook.​html#idm1402310073781​60">Emulator·​Restart·​and·​Upgrade</​a></​li>
207 <li·​title="Emulator·​Upgrade·​from·​pre·​OTP·​R15"><a·​href="appup_cookbook.​html#idm1397214724778​72">Emulator·​Upgrade·​from·​pre·​OTP·​R15</​a></​li> 207 <li·​title="Emulator·​Upgrade·​from·​pre·​OTP·​R15"><a·​href="appup_cookbook.​html#idm1402310073689​76">Emulator·​Upgrade·​from·​pre·​OTP·​R15</​a></​li>
208 </​ul> 208 </​ul>
209 </​li> 209 </​li>
210 </​ul> 210 </​ul>
211 </​div></​div> 211 </​div></​div>
212 <div·​id="content"> 212 <div·​id="content">
213 <div·​class="innertube"> 213 <div·​class="innertube">
214 <h1>12 Appup·​Cookbook</​h1> 214 <h1>12 Appup·​Cookbook</​h1>
215 ·​·​ 215 ·​·​
216 ·​·​<p>This·​chapter·​contains·​examples·​of·​<span·​class="code">.​appup</​span>·​files·​for 216 ·​·​<p>This·​chapter·​contains·​examples·​of·​<span·​class="code">.​appup</​span>·​files·​for
217 ·​·​·​·​typical·​cases·​of·​upgrades/​downgrades·​done·​in·​run-​time.​</​p> 217 ·​·​·​·​typical·​cases·​of·​upgrades/​downgrades·​done·​in·​run-​time.​</​p>
   
218 ·​·​<h3><a·​name="idm139721472646​528">12.​1  218 ·​·​<h3><a·​name="idm140231007537​632">12.​1 
219 ·​·​·​·​·​·​·​·​Changing·​a·​Functional·​Module</​a></​h3> 219 ·​·​·​·​·​·​·​·​Changing·​a·​Functional·​Module</​a></​h3>
220 ·​·​·​·​ 220 ·​·​·​·​
221 ·​·​·​·​<p>When·​a·​change·​has·​been·​made·​to·​a·​functional·​module,​·​for·​example 221 ·​·​·​·​<p>When·​a·​change·​has·​been·​made·​to·​a·​functional·​module,​·​for·​example
222 ·​·​·​·​·​·​if·​a·​new·​function·​has·​been·​added·​or·​a·​bug·​has·​been·​corrected,​ 222 ·​·​·​·​·​·​if·​a·​new·​function·​has·​been·​added·​or·​a·​bug·​has·​been·​corrected,​
223 ·​·​·​·​·​·​simple·​code·​replacement·​is·​sufficient.​</​p> 223 ·​·​·​·​·​·​simple·​code·​replacement·​is·​sufficient.​</​p>
224 ·​·​·​·​<p>Example:​</​p> 224 ·​·​·​·​<p>Example:​</​p>
225 ·​·​·​·​<div·​class="example"><pre>​ 225 ·​·​·​·​<div·​class="example"><pre>​
226 {"2",​ 226 {"2",​
227 ·​[{"1",​·​[{load_module,​·​m}]}],​ 227 ·​[{"1",​·​[{load_module,​·​m}]}],​
228 ·​[{"1",​·​[{load_module,​·​m}]}] 228 ·​[{"1",​·​[{load_module,​·​m}]}]
229 }.​</​pre></​div> 229 }.​</​pre></​div>
230 ·​·​ 230 ·​·​
   
231 ·​·​<h3><a·​name="idm139721472643​792">12.​2  231 ·​·​<h3><a·​name="idm140231007534​896">12.​2 
232 ·​·​·​·​·​·​·​·​Changing·​a·​Residence·​Module</​a></​h3> 232 ·​·​·​·​·​·​·​·​Changing·​a·​Residence·​Module</​a></​h3>
233 ·​·​·​·​ 233 ·​·​·​·​
234 ·​·​·​·​<p>In·​a·​system·​implemented·​according·​to·​the·​OTP·​Design·​Principles,​ 234 ·​·​·​·​<p>In·​a·​system·​implemented·​according·​to·​the·​OTP·​Design·​Principles,​
235 ·​·​·​·​·​·​all·​processes,​·​except·​system·​processes·​and·​special·​processes,​ 235 ·​·​·​·​·​·​all·​processes,​·​except·​system·​processes·​and·​special·​processes,​
236 ·​·​·​·​·​·​reside·​in·​one·​of·​the·​behaviours·​<span·​class="code">supervis​or</​span>,​ 236 ·​·​·​·​·​·​reside·​in·​one·​of·​the·​behaviours·​<span·​class="code">supervis​or</​span>,​
237 ·​·​·​·​·​·​<span·​class="code">gen_serv​er</​span>,​·​<span·​class="code">gen_fsm<​/​span>·​or·​<span·​class="code">gen_even​t</​span>.​·​These 237 ·​·​·​·​·​·​<span·​class="code">gen_serv​er</​span>,​·​<span·​class="code">gen_fsm<​/​span>·​or·​<span·​class="code">gen_even​t</​span>.​·​These
238 ·​·​·​·​·​·​belong·​to·​the·​STDLIB·​application·​and·​upgrading/​downgrading 238 ·​·​·​·​·​·​belong·​to·​the·​STDLIB·​application·​and·​upgrading/​downgrading
239 ·​·​·​·​·​·​normally·​requires·​an·​emulator·​restart.​</​p> 239 ·​·​·​·​·​·​normally·​requires·​an·​emulator·​restart.​</​p>
240 ·​·​·​·​<p>OTP·​thus·​provides·​no·​support·​for·​changing·​residence·​modules 240 ·​·​·​·​<p>OTP·​thus·​provides·​no·​support·​for·​changing·​residence·​modules
241 ·​·​·​·​·​·​except·​in·​the·​case·​of·​<span·​class="bold_code"><a·​href="#spec">special·​processes</​a></​span>.​</​p> 241 ·​·​·​·​·​·​except·​in·​the·​case·​of·​<span·​class="bold_code"><a·​href="#spec">special·​processes</​a></​span>.​</​p>
242 ·​·​ 242 ·​·​
   
243 ·​·​<h3><a·​name="idm139721472639​136">12.​3  243 ·​·​<h3><a·​name="idm140231007530​240">12.​3 
244 ·​·​·​·​·​·​·​·​Changing·​a·​Callback·​Module</​a></​h3> 244 ·​·​·​·​·​·​·​·​Changing·​a·​Callback·​Module</​a></​h3>
245 ·​·​·​·​ 245 ·​·​·​·​
246 ·​·​·​·​<p>A·​callback·​module·​is·​a·​functional·​module,​·​and·​for·​code 246 ·​·​·​·​<p>A·​callback·​module·​is·​a·​functional·​module,​·​and·​for·​code
247 ·​·​·​·​·​·​extensions·​simple·​code·​replacement·​is·​sufficient.​</​p> 247 ·​·​·​·​·​·​extensions·​simple·​code·​replacement·​is·​sufficient.​</​p>
248 ·​·​·​·​<p>Example:​·​When·​adding·​a·​function·​to·​<span·​class="code">ch3</​span>·​as·​described·​in 248 ·​·​·​·​<p>Example:​·​When·​adding·​a·​function·​to·​<span·​class="code">ch3</​span>·​as·​described·​in
249 ·​·​·​·​·​·​the·​example·​in·​<span·​class="bold_code"><a·​href="release_handlin​g.​html#appup">Release·​Handling</​a></​span>,​·​<span·​class="code">ch_app.​appup</​span>·​looks·​as·​follows:​</​p> 249 ·​·​·​·​·​·​the·​example·​in·​<span·​class="bold_code"><a·​href="release_handlin​g.​html#appup">Release·​Handling</​a></​span>,​·​<span·​class="code">ch_app.​appup</​span>·​looks·​as·​follows:​</​p>
250 ·​·​·​·​<div·​class="example"><pre>​ 250 ·​·​·​·​<div·​class="example"><pre>​
Offset 255, 15 lines modified Offset 255, 15 lines modified
255 ·​[{"1",​·​[{load_module,​·​ch3}]}],​ 255 ·​[{"1",​·​[{load_module,​·​ch3}]}],​
256 ·​[{"1",​·​[{load_module,​·​ch3}]}] 256 ·​[{"1",​·​[{load_module,​·​ch3}]}]
257 }.​</​pre></​div> 257 }.​</​pre></​div>
258 ·​·​·​·​<p>OTP·​also·​supports·​changing·​the·​internal·​state·​of·​behaviour 258 ·​·​·​·​<p>OTP·​also·​supports·​changing·​the·​internal·​state·​of·​behaviour
259 ·​·​·​·​·​·​processes,​·​see·​<span·​class="bold_code"><a·​href="#int_state">Cha​nging·​Internal·​State</​a></​span>·​below.​</​p> 259 ·​·​·​·​·​·​processes,​·​see·​<span·​class="bold_code"><a·​href="#int_state">Cha​nging·​Internal·​State</​a></​span>·​below.​</​p>
260 ·​·​ 260 ·​·​
   
261 ·​·​<h3><a·​name="idm139721472633​008">12.​4  261 ·​·​<h3><a·​name="idm140231007524​112">12.​4 
262 ·​·​·​·​·​·​·​·​Changing·​Internal·​State</​a></​h3> 262 ·​·​·​·​·​·​·​·​Changing·​Internal·​State</​a></​h3>
263 ·​·​·​·​<a·​name="int_state"></​a> 263 ·​·​·​·​<a·​name="int_state"></​a>
264 ·​·​·​·​ 264 ·​·​·​·​
265 ·​·​·​·​<p>In·​this·​case,​·​simple·​code·​replacement·​is·​not·​sufficient.​ 265 ·​·​·​·​<p>In·​this·​case,​·​simple·​code·​replacement·​is·​not·​sufficient.​
266 ·​·​·​·​·​·​The·​process·​must·​explicitly·​transform·​its·​state·​using·​the·​callback 266 ·​·​·​·​·​·​The·​process·​must·​explicitly·​transform·​its·​state·​using·​the·​callback
267 ·​·​·​·​·​·​function·​<span·​class="code">code_cha​nge</​span>·​before·​switching·​to·​the·​new·​version 267 ·​·​·​·​·​·​function·​<span·​class="code">code_cha​nge</​span>·​before·​switching·​to·​the·​new·​version
268 ·​·​·​·​·​·​of·​the·​callback·​module.​·​Thus·​synchronized·​code·​replacement·​is 268 ·​·​·​·​·​·​of·​the·​callback·​module.​·​Thus·​synchronized·​code·​replacement·​is
Offset 305, 15 lines modified Offset 305, 15 lines modified
305 ·​·​·​·​·​·​the·​version·​is·​the·​checksum·​(a·​huge·​integer)​·​of·​the·​BEAM·​file,​·​an 305 ·​·​·​·​·​·​the·​version·​is·​the·​checksum·​(a·​huge·​integer)​·​of·​the·​BEAM·​file,​·​an
306 ·​·​·​·​·​·​uninteresting·​value·​which·​is·​ignored.​</​p> 306 ·​·​·​·​·​·​uninteresting·​value·​which·​is·​ignored.​</​p>
307 ·​·​·​·​<p>(The·​other·​callback·​functions·​of·​<span·​class="code">ch3</​span>·​need·​to·​be·​modified 307 ·​·​·​·​<p>(The·​other·​callback·​functions·​of·​<span·​class="code">ch3</​span>·​need·​to·​be·​modified
308 ·​·​·​·​·​·​as·​well·​and·​perhaps·​a·​new·​interface·​function·​added,​·​this·​is·​not 308 ·​·​·​·​·​·​as·​well·​and·​perhaps·​a·​new·​interface·​function·​added,​·​this·​is·​not
309 ·​·​·​·​·​·​shown·​here)​.​</​p> 309 ·​·​·​·​·​·​shown·​here)​.​</​p>
310 ·​·​ 310 ·​·​
   
311 ·​·​<h3><a·​name="idm139721472616​864">12.​5  311 ·​·​<h3><a·​name="idm140231007507​968">12.​5 
312 ·​·​·​·​·​·​·​·​Module·​Dependencies</​a></​h3> 312 ·​·​·​·​·​·​·​·​Module·​Dependencies</​a></​h3>
313 ·​·​·​·​ 313 ·​·​·​·​
314 ·​·​·​·​<p>Assume·​we·​extend·​a·​module·​by·​adding·​a·​new·​interface·​function,​·​as 314 ·​·​·​·​<p>Assume·​we·​extend·​a·​module·​by·​adding·​a·​new·​interface·​function,​·​as
315 ·​·​·​·​·​·​in·​the·​example·​in·​<span·​class="bold_code"><a·​href="release_handlin​g.​html#appup">Release·​Handling</​a></​span>,​·​where·​a·​function·​<span·​class="code">availabl​e/​0</​span>·​is 315 ·​·​·​·​·​·​in·​the·​example·​in·​<span·​class="bold_code"><a·​href="release_handlin​g.​html#appup">Release·​Handling</​a></​span>,​·​where·​a·​function·​<span·​class="code">availabl​e/​0</​span>·​is
316 ·​·​·​·​·​·​added·​to·​<span·​class="code">ch3</​span>.​</​p> 316 ·​·​·​·​·​·​added·​to·​<span·​class="code">ch3</​span>.​</​p>
317 ·​·​·​·​<p>If·​we·​also·​add·​a·​call·​to·​this·​function,​·​say·​in·​the·​module 317 ·​·​·​·​<p>If·​we·​also·​add·​a·​call·​to·​this·​function,​·​say·​in·​the·​module
318 ·​·​·​·​·​·​<span·​class="code">m1</​span>,​·​a·​run-​time·​error·​could·​occur·​during·​release·​upgrade·​if 318 ·​·​·​·​·​·​<span·​class="code">m1</​span>,​·​a·​run-​time·​error·​could·​occur·​during·​release·​upgrade·​if
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361 ·​·​·​·​<p>Note·​that·​it·​is·​<span·​class="code">m1</​span>·​that·​is·​dependent·​on·​<span·​class="code">ch3</​span>·​also 361 ·​·​·​·​<p>Note·​that·​it·​is·​<span·​class="code">m1</​span>·​that·​is·​dependent·​on·​<span·​class="code">ch3</​span>·​also
362 ·​·​·​·​·​·​when·​downgrading.​·​<span·​class="code">systools​</​span>·​knows·​the·​difference·​between 362 ·​·​·​·​·​·​when·​downgrading.​·​<span·​class="code">systools​</​span>·​knows·​the·​difference·​between
363 ·​·​·​·​·​·​up-​·​and·​downgrading·​and·​will·​generate·​a·​correct·​<span·​class="code">relup</​span>,​ 363 ·​·​·​·​·​·​up-​·​and·​downgrading·​and·​will·​generate·​a·​correct·​<span·​class="code">relup</​span>,​
364 ·​·​·​·​·​·​where·​<span·​class="code">ch3</​span>·​is·​loaded·​before·​<span·​class="code">m1</​span>·​when·​upgrading·​but 364 ·​·​·​·​·​·​where·​<span·​class="code">ch3</​span>·​is·​loaded·​before·​<span·​class="code">m1</​span>·​when·​upgrading·​but
365 ·​·​·​·​·​·​<span·​class="code">m1</​span>·​is·​loaded·​before·​<span·​class="code">ch3</​span>·​when·​downgrading.​</​p> 365 ·​·​·​·​·​·​<span·​class="code">m1</​span>·​is·​loaded·​before·​<span·​class="code">ch3</​span>·​when·​downgrading.​</​p>
366 ·​·​ 366 ·​·​
   
367 ·​·​<h3><a·​name="idm139721472596​384">12.​6  367 ·​·​<h3><a·​name="idm140231007487​488">12.​6 
368 ·​·​·​·​·​·​·​·​Changing·​Code·​For·​a·​Special·​Process</​a></​h3> 368 ·​·​·​·​·​·​·​·​Changing·​Code·​For·​a·​Special·​Process</​a></​h3>
369 ·​·​·​·​<a·​name="spec"></​a> 369 ·​·​·​·​<a·​name="spec"></​a>
370 ·​·​·​·​ 370 ·​·​·​·​
371 ·​·​·​·​<p>In·​this·​case,​·​simple·​code·​replacement·​is·​not·​sufficient.​ 371 ·​·​·​·​<p>In·​this·​case,​·​simple·​code·​replacement·​is·​not·​sufficient.​
372 ·​·​·​·​·​·​When·​a·​new·​version·​of·​a·​residence·​module·​for·​a·​special·​process 372 ·​·​·​·​·​·​When·​a·​new·​version·​of·​a·​residence·​module·​for·​a·​special·​process
373 ·​·​·​·​·​·​is·​loaded,​·​the·​process·​must·​make·​a·​fully·​qualified·​call·​to 373 ·​·​·​·​·​·​is·​loaded,​·​the·​process·​must·​make·​a·​fully·​qualified·​call·​to
374 ·​·​·​·​·​·​its·​loop·​function·​to·​switch·​to·​the·​new·​code.​·​Thus·​synchronized 374 ·​·​·​·​·​·​its·​loop·​function·​to·​switch·​to·​the·​new·​code.​·​Thus·​synchronized
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425 ·​·​·​·​·​·​enough·​if·​the·​code·​only·​has·​been·​extended.​·​If·​we·​had·​wanted·​to 425 ·​·​·​·​·​·​enough·​if·​the·​code·​only·​has·​been·​extended.​·​If·​we·​had·​wanted·​to
426 ·​·​·​·​·​·​change·​the·​internal·​state·​(similar·​to·​the·​example·​in 426 ·​·​·​·​·​·​change·​the·​internal·​state·​(similar·​to·​the·​example·​in
427 ·​·​·​·​·​·​<span·​class="bold_code"><a·​href="#int_state">Cha​nging·​Internal·​State</​a></​span>)​,​ 427 ·​·​·​·​·​·​<span·​class="bold_code"><a·​href="#int_state">Cha​nging·​Internal·​State</​a></​span>)​,​
428 ·​·​·​·​·​·​it·​would·​have·​been·​done·​in·​this·​function·​and 428 ·​·​·​·​·​·​it·​would·​have·​been·​done·​in·​this·​function·​and
429 ·​·​·​·​·​·​<span·​class="code">{ok,​Chs2}</​span>·​returned.​</​p> 429 ·​·​·​·​·​·​<span·​class="code">{ok,​Chs2}</​span>·​returned.​</​p>
430 ·​·​ 430 ·​·​
   
431 ·​·​<h3><a·​name="idm139721472576​368">12.​7  431 ·​·​<h3><a·​name="idm140231007467​472">12.​7 
432 ·​·​·​·​·​·​·​·​Changing·​a·​Supervisor</​a></​h3> 432 ·​·​·​·​·​·​·​·​Changing·​a·​Supervisor</​a></​h3>
433 ·​·​·​·​<a·​name="sup"></​a> 433 ·​·​·​·​<a·​name="sup"></​a>
434 ·​·​·​·​ 434 ·​·​·​·​
435 ·​·​·​·​<p>The·​supervisor·​behaviour·​supports·​changing·​the·​internal·​state,​ 435 ·​·​·​·​<p>The·​supervisor·​behaviour·​supports·​changing·​the·​internal·​state,​
436 ·​·​·​·​·​·​i.​e.​·​changing·​restart·​strategy·​and·​maximum·​restart·​frequency 436 ·​·​·​·​·​·​i.​e.​·​changing·​restart·​strategy·​and·​maximum·​restart·​frequency
437 ·​·​·​·​·​·​properties,​·​as·​well·​as·​changing·​existing·​child·​specifications.​</​p> 437 ·​·​·​·​·​·​properties,​·​as·​well·​as·​changing·​existing·​child·​specifications.​</​p>
438 ·​·​·​·​<p>Adding·​and·​deleting·​child·​processes·​are·​also·​possible,​·​but·​not 438 ·​·​·​·​<p>Adding·​and·​deleting·​child·​processes·​are·​also·​possible,​·​but·​not
Offset 545, 43 lines modified Offset 545, 43 lines modified
545 ·​·​·​·​·​·​·​·​child·​specification·​changed,​·​before·​the·​new·​child·​process·​can 545 ·​·​·​·​·​·​·​·​child·​specification·​changed,​·​before·​the·​new·​child·​process·​can
546 ·​·​·​·​·​·​·​·​be·​started.​·​When·​downgrading,​·​the·​child·​process·​must·​be 546 ·​·​·​·​·​·​·​·​be·​started.​·​When·​downgrading,​·​the·​child·​process·​must·​be
547 ·​·​·​·​·​·​·​·​terminated·​before·​child·​specification·​is·​changed·​and·​the·​module 547 ·​·​·​·​·​·​·​·​terminated·​before·​child·​specification·​is·​changed·​and·​the·​module
548 ·​·​·​·​·​·​·​·​is·​deleted.​</​p> 548 ·​·​·​·​·​·​·​·​is·​deleted.​</​p>
549 ·​·​·​·​ 549 ·​·​·​·​
550 ·​·​ 550 ·​·​
   
551 ·​·​<h3><a·​name="idm139721472546​864">12.​8  551 ·​·​<h3><a·​name="idm140231007437​968">12.​8 
552 ·​·​·​·​·​·​·​·​Adding·​or·​Deleting·​a·​Module</​a></​h3> 552 ·​·​·​·​·​·​·​·​Adding·​or·​Deleting·​a·​Module</​a></​h3>
553 ·​·​·​·​ 553 ·​·​·​·​
554 ·​·​·​·​<p>Example:​·​A·​new·​functional·​module·​<span·​class="code">m</​span>·​is·​added·​to 554 ·​·​·​·​<p>Example:​·​A·​new·​functional·​module·​<span·​class="code">m</​span>·​is·​added·​to
555 ·​·​·​·​·​·​<span·​class="code">ch_app</​span>:​</​p> 555 ·​·​·​·​·​·​<span·​class="code">ch_app</​span>:​</​p>
556 ·​·​·​·​<div·​class="example"><pre>​ 556 ·​·​·​·​<div·​class="example"><pre>​
557 {"2",​ 557 {"2",​
558 ·​[{"1",​·​[{add_module,​·​m}]}],​ 558 ·​[{"1",​·​[{add_module,​·​m}]}],​
559 ·​[{"1",​·​[{delete_module,​·​m}]}]</​pre></​div> 559 ·​[{"1",​·​[{delete_module,​·​m}]}]</​pre></​div>
560 ·​·​ 560 ·​·​
   
561 ·​·​<h3><a·​name="idm139721472543​824">12.​9  561 ·​·​<h3><a·​name="idm140231007434​928">12.​9 
562 ·​·​·​·​·​·​·​·​Starting·​or·​Terminating·​a·​Process</​a></​h3> 562 ·​·​·​·​·​·​·​·​Starting·​or·​Terminating·​a·​Process</​a></​h3>
563 ·​·​·​·​ 563 ·​·​·​·​
564 ·​·​·​·​<p>In·​a·​system·​structured·​according·​to·​the·​OTP·​design·​principles,​ 564 ·​·​·​·​<p>In·​a·​system·​structured·​according·​to·​the·​OTP·​design·​principles,​
565 ·​·​·​·​·​·​any·​process·​would·​be·​a·​child·​process·​belonging·​to·​a·​supervisor,​ 565 ·​·​·​·​·​·​any·​process·​would·​be·​a·​child·​process·​belonging·​to·​a·​supervisor,​
566 ·​·​·​·​·​·​see·​<span·​class="bold_code"><a·​href="#sup_add">Addin​g·​and·​Deleting·​Child·​Processes</​a></​span>·​above.​</​p> 566 ·​·​·​·​·​·​see·​<span·​class="bold_code"><a·​href="#sup_add">Addin​g·​and·​Deleting·​Child·​Processes</​a></​span>·​above.​</​p>
567 ·​·​ 567 ·​·​
   
568 ·​·​<h3><a·​name="idm139721472541​600">12.​10  568 ·​·​<h3><a·​name="idm140231007432​704">12.​10 
569 ·​·​·​·​·​·​·​·​Adding·​or·​Removing·​an·​Application</​a></​h3> 569 ·​·​·​·​·​·​·​·​Adding·​or·​Removing·​an·​Application</​a></​h3>
570 ·​·​·​·​ 570 ·​·​·​·​
571 ·​·​·​·​<p>When·​adding·​or·​removing·​an·​application,​·​no·​<span·​class="code">.​appup</​span>·​file 571 ·​·​·​·​<p>When·​adding·​or·​removing·​an·​application,​·​no·​<span·​class="code">.​appup</​span>·​file
572 ·​·​·​·​·​·​is·​needed.​·​When·​generating·​<span·​class="code">relup</​span>,​·​the·​<span·​class="code">.​rel</​span>·​files 572 ·​·​·​·​·​·​is·​needed.​·​When·​generating·​<span·​class="code">relup</​span>,​·​the·​<span·​class="code">.​rel</​span>·​files
573 ·​·​·​·​·​·​are·​compared·​and·​<span·​class="code">add_appl​ication</​span>·​and 573 ·​·​·​·​·​·​are·​compared·​and·​<span·​class="code">add_appl​ication</​span>·​and
574 ·​·​·​·​·​·​<span·​class="code">remove_a​pplication</​span>·​instructions·​are·​added·​automatically.​</​p> 574 ·​·​·​·​·​·​<span·​class="code">remove_a​pplication</​span>·​instructions·​are·​added·​automatically.​</​p>
575 ·​·​ 575 ·​·​
   
576 ·​·​<h3><a·​name="idm139721472537​920">12.​11  576 ·​·​<h3><a·​name="idm140231007429​024">12.​11 
577 ·​·​·​·​·​·​·​·​Restarting·​an·​Application</​a></​h3> 577 ·​·​·​·​·​·​·​·​Restarting·​an·​Application</​a></​h3>
578 ·​·​·​·​ 578 ·​·​·​·​
579 ·​·​·​·​<p>Restarting·​an·​application·​is·​useful·​when·​a·​change·​is·​too 579 ·​·​·​·​<p>Restarting·​an·​application·​is·​useful·​when·​a·​change·​is·​too
580 ·​·​·​·​·​·​complicated·​to·​be·​made·​without·​restarting·​the·​processes,​·​for 580 ·​·​·​·​·​·​complicated·​to·​be·​made·​without·​restarting·​the·​processes,​·​for
581 ·​·​·​·​·​·​example·​if·​the·​supervisor·​hierarchy·​has·​been·​restructured.​</​p> 581 ·​·​·​·​·​·​example·​if·​the·​supervisor·​hierarchy·​has·​been·​restructured.​</​p>
582 ·​·​·​·​<p>Example:​·​When·​adding·​a·​new·​child·​<span·​class="code">m1</​span>·​to·​<span·​class="code">ch_sup</​span>,​·​as 582 ·​·​·​·​<p>Example:​·​When·​adding·​a·​new·​child·​<span·​class="code">m1</​span>·​to·​<span·​class="code">ch_sup</​span>,​·​as
583 ·​·​·​·​·​·​in·​the·​<span·​class="bold_code"><a·​href="#sup_add">examp​le·​above</​a></​span>,​·​an 583 ·​·​·​·​·​·​in·​the·​<span·​class="bold_code"><a·​href="#sup_add">examp​le·​above</​a></​span>,​·​an
Offset 590, 39 lines modified Offset 590, 39 lines modified
590 ·​·​·​·​<div·​class="example"><pre>​ 590 ·​·​·​·​<div·​class="example"><pre>​
591 {"2",​ 591 {"2",​
592 ·​[{"1",​·​[{restart_application​,​·​ch_app}]}],​ 592 ·​[{"1",​·​[{restart_application​,​·​ch_app}]}],​
593 ·​[{"1",​·​[{restart_application​,​·​ch_app}]}] 593 ·​[{"1",​·​[{restart_application​,​·​ch_app}]}]
594 }.​</​pre></​div> 594 }.​</​pre></​div>
595 ·​·​ 595 ·​·​
   
596 ·​·​<h3><a·​name="idm139721472532​864">12.​12  596 ·​·​<h3><a·​name="idm140231007423​968">12.​12 
597 ·​·​·​·​·​·​·​·​Changing·​an·​Application·​Specification</​a></​h3> 597 ·​·​·​·​·​·​·​·​Changing·​an·​Application·​Specification</​a></​h3>
598 ·​·​·​·​<a·​name="app_spec"></​a> 598 ·​·​·​·​<a·​name="app_spec"></​a>
599 ·​·​·​·​ 599 ·​·​·​·​
600 ·​·​·​·​<p>When·​installing·​a·​release,​·​the·​application·​specifications·​are 600 ·​·​·​·​<p>When·​installing·​a·​release,​·​the·​application·​specifications·​are
601 ·​·​·​·​·​·​automatically·​updated·​before·​evaluating·​the·​<span·​class="code">relup</​span>·​script.​ 601 ·​·​·​·​·​·​automatically·​updated·​before·​evaluating·​the·​<span·​class="code">relup</​span>·​script.​
602 ·​·​·​·​·​·​Hence,​·​no·​instructions·​are·​·​needed·​in·​the·​<span·​class="code">.​appup</​span>·​file:​</​p> 602 ·​·​·​·​·​·​Hence,​·​no·​instructions·​are·​·​needed·​in·​the·​<span·​class="code">.​appup</​span>·​file:​</​p>
603 ·​·​·​·​<div·​class="example"><pre>​ 603 ·​·​·​·​<div·​class="example"><pre>​
604 {"2",​ 604 {"2",​
605 ·​[{"1",​·​[]}],​ 605 ·​[{"1",​·​[]}],​
606 ·​[{"1",​·​[]}] 606 ·​[{"1",​·​[]}]
607 }.​</​pre></​div> 607 }.​</​pre></​div>
608 ·​·​ 608 ·​·​
   
609 ·​·​<h3><a·​name="idm139721472530​000">12.​13  609 ·​·​<h3><a·​name="idm140231007421​104">12.​13 
610 ·​·​·​·​·​·​·​·​Changing·​Application·​Configuration</​a></​h3> 610 ·​·​·​·​·​·​·​·​Changing·​Application·​Configuration</​a></​h3>
611 ·​·​·​·​ 611 ·​·​·​·​
612 ·​·​·​·​<p>Changing·​an·​application·​configuration·​by·​updating·​the·​<span·​class="code">env</​span> 612 ·​·​·​·​<p>Changing·​an·​application·​configuration·​by·​updating·​the·​<span·​class="code">env</​span>
613 ·​·​·​·​·​·​key·​in·​the·​<span·​class="code">.​app</​span>·​file·​is·​an·​instance·​of·​changing·​an 613 ·​·​·​·​·​·​key·​in·​the·​<span·​class="code">.​app</​span>·​file·​is·​an·​instance·​of·​changing·​an
614 ·​·​·​·​·​·​application·​specification,​·​<span·​class="bold_code"><a·​href="#app_spec">see·​above</​a></​span>.​</​p> 614 ·​·​·​·​·​·​application·​specification,​·​<span·​class="bold_code"><a·​href="#app_spec">see·​above</​a></​span>.​</​p>
615 ·​·​·​·​<p>Alternatively,​·​application·​configuration·​parameters·​can·​be 615 ·​·​·​·​<p>Alternatively,​·​application·​configuration·​parameters·​can·​be
616 ·​·​·​·​·​·​added·​or·​updated·​in·​<span·​class="code">sys.​config</​span>.​</​p> 616 ·​·​·​·​·​·​added·​or·​updated·​in·​<span·​class="code">sys.​config</​span>.​</​p>
617 ·​·​ 617 ·​·​
   
618 ·​·​<h3><a·​name="idm139721472525​984">12.​14  618 ·​·​<h3><a·​name="idm140231007417​088">12.​14 
619 ·​·​·​·​·​·​·​·​Changing·​Included·​Applications</​a></​h3> 619 ·​·​·​·​·​·​·​·​Changing·​Included·​Applications</​a></​h3>
620 ·​·​·​·​ 620 ·​·​·​·​
621 ·​·​·​·​<p>The·​release·​handling·​instructions·​for·​adding,​·​removing·​and 621 ·​·​·​·​<p>The·​release·​handling·​instructions·​for·​adding,​·​removing·​and
622 ·​·​·​·​·​·​restarting·​applications·​apply·​to·​primary·​applications·​only.​ 622 ·​·​·​·​·​·​restarting·​applications·​apply·​to·​primary·​applications·​only.​
623 ·​·​·​·​·​·​There·​are·​no·​corresponding·​instructions·​for·​included 623 ·​·​·​·​·​·​There·​are·​no·​corresponding·​instructions·​for·​included
624 ·​·​·​·​·​·​applications.​·​However,​·​since·​an·​included·​application·​is·​really·​a 624 ·​·​·​·​·​·​applications.​·​However,​·​since·​an·​included·​application·​is·​really·​a
625 ·​·​·​·​·​·​supervision·​tree·​with·​a·​topmost·​supervisor,​·​started·​as·​a·​child 625 ·​·​·​·​·​·​supervision·​tree·​with·​a·​topmost·​supervisor,​·​started·​as·​a·​child
Offset 755, 15 lines modified Offset 755, 15 lines modified
755 ·​·​·​·​{remove,​{ch3,​brutal_purge,​brutal_purge}},​ 755 ·​·​·​·​{remove,​{ch3,​brutal_purge,​brutal_purge}},​
756 ·​·​·​·​{purge,​[ch_sup,​ch3]},​ 756 ·​·​·​·​{purge,​[ch_sup,​ch3]},​
757 ·​·​·​·​{apply,​{application,​unload,​[ch_app]}}]}] 757 ·​·​·​·​{apply,​{application,​unload,​[ch_app]}}]}]
758 }.​</​pre></​div> 758 }.​</​pre></​div>
759 ·​·​·​·​ 759 ·​·​·​·​
760 ·​·​ 760 ·​·​
   
761 ·​·​<h3><a·​name="idm139721472497​200">12.​15  761 ·​·​<h3><a·​name="idm140231007388​304">12.​15 
762 ·​·​·​·​·​·​·​·​Changing·​Non-​Erlang·​Code</​a></​h3> 762 ·​·​·​·​·​·​·​·​Changing·​Non-​Erlang·​Code</​a></​h3>
763 ·​·​·​·​ 763 ·​·​·​·​
764 ·​·​·​·​<p>Changing·​code·​for·​a·​program·​written·​in·​another·​programming 764 ·​·​·​·​<p>Changing·​code·​for·​a·​program·​written·​in·​another·​programming
765 ·​·​·​·​·​·​language·​than·​Erlang,​·​for·​example·​a·​port·​program,​·​is·​very 765 ·​·​·​·​·​·​language·​than·​Erlang,​·​for·​example·​a·​port·​program,​·​is·​very
766 ·​·​·​·​·​·​application·​dependent·​and·​OTP·​provides·​no·​special·​support·​for·​it.​</​p> 766 ·​·​·​·​·​·​application·​dependent·​and·​OTP·​provides·​no·​special·​support·​for·​it.​</​p>
767 ·​·​·​·​<p>Example,​·​changing·​code·​for·​a·​port·​program:​·​Assume·​that 767 ·​·​·​·​<p>Example,​·​changing·​code·​for·​a·​port·​program:​·​Assume·​that
768 ·​·​·​·​·​·​the·​Erlang·​process·​controlling·​the·​port·​is·​a·​gen_server 768 ·​·​·​·​·​·​the·​Erlang·​process·​controlling·​the·​port·​is·​a·​gen_server
Offset 801, 15 lines modified Offset 801, 15 lines modified
801 ·​·​·​·​<p>Make·​sure·​the·​<span·​class="code">priv</​span>·​directory·​where·​the·​C·​program·​is 801 ·​·​·​·​<p>Make·​sure·​the·​<span·​class="code">priv</​span>·​directory·​where·​the·​C·​program·​is
802 ·​·​·​·​·​·​located·​is·​included·​in·​the·​new·​release·​package:​</​p> 802 ·​·​·​·​·​·​located·​is·​included·​in·​the·​new·​release·​package:​</​p>
803 ·​·​·​·​<div·​class="example"><pre>​ 803 ·​·​·​·​<div·​class="example"><pre>​
804 1&gt;​·​<span·​class="bold_code">sys​tools:​make_tar("my_release"​,​·​[{dirs,​[priv]}])​.​</​span> 804 1&gt;​·​<span·​class="bold_code">sys​tools:​make_tar("my_release"​,​·​[{dirs,​[priv]}])​.​</​span>
805 .​.​.​</​pre></​div> 805 .​.​.​</​pre></​div>
806 ·​·​ 806 ·​·​
   
807 ·​·​<h3><a·​name="idm139721472487​056">12.​16  807 ·​·​<h3><a·​name="idm140231007378​160">12.​16 
808 ·​·​·​·​·​·​·​·​Emulator·​Restart·​and·​Upgrade</​a></​h3> 808 ·​·​·​·​·​·​·​·​Emulator·​Restart·​and·​Upgrade</​a></​h3>
809 ·​·​·​·​ 809 ·​·​·​·​
810 ·​·​·​·​<p>There·​are·​two·​upgrade·​instructions·​that·​will·​restart·​the·​emulator:​</​p> 810 ·​·​·​·​<p>There·​are·​two·​upgrade·​instructions·​that·​will·​restart·​the·​emulator:​</​p>
811 ·​·​·​·​<dl> 811 ·​·​·​·​<dl>
812 ·​·​·​·​·​·​<dt><strong><span·​class="code">restart_​new_emulator</​span></​strong></​dt> 812 ·​·​·​·​·​·​<dt><strong><span·​class="code">restart_​new_emulator</​span></​strong></​dt>
813 ·​·​·​·​·​·​<dd>Intended·​for·​when·​erts,​·​kernel,​·​stdlib·​or·​sasl·​is 813 ·​·​·​·​·​·​<dd>Intended·​for·​when·​erts,​·​kernel,​·​stdlib·​or·​sasl·​is
814 ·​·​·​·​·​·​·​·​upgraded.​·​It·​is·​automatically·​added·​when·​the·​relup·​file·​is 814 ·​·​·​·​·​·​·​·​upgraded.​·​It·​is·​automatically·​added·​when·​the·​relup·​file·​is
Offset 841, 15 lines modified Offset 841, 15 lines modified
841 }.​</​pre></​div> 841 }.​</​pre></​div>
842 ·​·​·​·​<p>In·​this·​case,​·​the·​release·​handler·​framework·​with·​automatic 842 ·​·​·​·​<p>In·​this·​case,​·​the·​release·​handler·​framework·​with·​automatic
843 ·​·​·​·​·​·​packing·​and·​unpacking·​of·​release·​packages,​·​automatic·​path 843 ·​·​·​·​·​·​packing·​and·​unpacking·​of·​release·​packages,​·​automatic·​path
844 ·​·​·​·​·​·​updates·​etc.​·​can·​be·​used·​without·​having·​to·​specify·​<span·​class="code">.​appup</​span> 844 ·​·​·​·​·​·​updates·​etc.​·​can·​be·​used·​without·​having·​to·​specify·​<span·​class="code">.​appup</​span>
845 ·​·​·​·​·​·​files.​</​p> 845 ·​·​·​·​·​·​files.​</​p>
846 ·​·​ 846 ·​·​
   
847 ·​·​<h3><a·​name="idm139721472477​872">12.​17  847 ·​·​<h3><a·​name="idm140231007368​976">12.​17 
848 ·​·​·​·​·​·​·​·​Emulator·​Upgrade·​from·​pre·​OTP·​R15</​a></​h3> 848 ·​·​·​·​·​·​·​·​Emulator·​Upgrade·​from·​pre·​OTP·​R15</​a></​h3>
849 ·​·​·​·​ 849 ·​·​·​·​
850 ·​·​·​·​<p>From·​OTP·​R15,​·​an·​emulator·​upgrade·​is·​performed·​by·​restarting 850 ·​·​·​·​<p>From·​OTP·​R15,​·​an·​emulator·​upgrade·​is·​performed·​by·​restarting
851 ·​·​·​·​the·​emulator·​with·​new·​versions·​of·​the·​core·​applications 851 ·​·​·​·​the·​emulator·​with·​new·​versions·​of·​the·​core·​applications
852 ·​·​·​·​(<span·​class="code">kernel</​span>,​·​<span·​class="code">stdlib</​span>·​and·​<span·​class="code">sasl</​span>)​·​before·​loading·​code 852 ·​·​·​·​(<span·​class="code">kernel</​span>,​·​<span·​class="code">stdlib</​span>·​and·​<span·​class="code">sasl</​span>)​·​before·​loading·​code
853 ·​·​·​·​and·​running·​upgrade·​instruction·​for·​other·​applications.​·​For·​this 853 ·​·​·​·​and·​running·​upgrade·​instruction·​for·​other·​applications.​·​For·​this
854 ·​·​·​·​to·​work,​·​the·​release·​to·​upgrade·​from·​must·​includes·​OTP·​R15·​or 854 ·​·​·​·​to·​work,​·​the·​release·​to·​upgrade·​from·​must·​includes·​OTP·​R15·​or
./usr/share/doc/erlang-17.4/doc/design_principles/des_princ.html
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47 <img·​alt="Erlang·​logo"·​src=".​.​/​erlang-​logo.​png"><br><small><a·​href="users_guide.​html">User's·​Guide</​a><br><a·​href=".​.​/​pdf/​otp-​system-​documentation-​6.​3.​pdf">PDF</​a><br><a·​href=".​.​/​index.​html">Top</​a></​small><p><strong>OTP·​Design·​Principles</​strong><br><strong>Us​er's·​Guide</​strong><br><small>Ver​sion·​6.​3</​small></​p> 47 <img·​alt="Erlang·​logo"·​src=".​.​/​erlang-​logo.​png"><br><small><a·​href="users_guide.​html">User's·​Guide</​a><br><a·​href=".​.​/​pdf/​otp-​system-​documentation-​6.​3.​pdf">PDF</​a><br><a·​href=".​.​/​index.​html">Top</​a></​small><p><strong>OTP·​Design·​Principles</​strong><br><strong>Us​er's·​Guide</​strong><br><small>Ver​sion·​6.​3</​small></​p>
48 <br><a·​href="javascript:​openAllFlips()​">Expand·​All</​a><br><a·​href="javascript:​closeAllFlips()​">Contract·​All</​a><p><small><strong>C​hapters</​strong></​small></​p> 48 <br><a·​href="javascript:​openAllFlips()​">Expand·​All</​a><br><a·​href="javascript:​closeAllFlips()​">Contract·​All</​a><p><small><strong>C​hapters</​strong></​small></​p>
49 <ul·​class="flipMenu"·​imagepath=".​.​/​js/​flipmenu"> 49 <ul·​class="flipMenu"·​imagepath=".​.​/​js/​flipmenu">
50 <li·​id="loadscrollpos"·​title="Overview"·​expanded="true">Overv​iew<ul> 50 <li·​id="loadscrollpos"·​title="Overview"·​expanded="true">Overv​iew<ul>
51 <li><a·​href="des_princ.​html"> 51 <li><a·​href="des_princ.​html">
52 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 52 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
53 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 53 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
54 <li·​title="Supervision·​Trees"><a·​href="des_princ.​html#idm1397214738212​96">Supervision·​Trees</​a></​li> 54 <li·​title="Supervision·​Trees"><a·​href="des_princ.​html#idm1402310086645​92">Supervision·​Trees</​a></​li>
55 <li·​title="Behaviours"><a​·​href="des_princ.​html#idm1397214738293​92">Behaviours</​a></​li> 55 <li·​title="Behaviours"><a​·​href="des_princ.​html#idm1402310086726​88">Behaviours</​a></​li>
56 <li·​title="Applications">​<a·​href="des_princ.​html#idm1397214738587​52">Applications</​a></​li> 56 <li·​title="Applications">​<a·​href="des_princ.​html#idm1402310087520​16">Applications</​a></​li>
57 <li·​title="Releases"><a·​href="des_princ.​html#idm1397214738637​44">Releases</​a></​li> 57 <li·​title="Releases"><a·​href="des_princ.​html#idm1402310087570​72">Releases</​a></​li>
58 <li·​title="Release·​Handling"><a·​href="des_princ.​html#idm1397214739808​96">Release·​Handling</​a></​li> 58 <li·​title="Release·​Handling"><a·​href="des_princ.​html#idm1402310087605​92">Release·​Handling</​a></​li>
59 </​ul> 59 </​ul>
60 </​li> 60 </​li>
61 <li·​id="no"·​title="Gen_Server·​Behaviour"·​expanded="false">Gen_​Server·​Behaviour<ul> 61 <li·​id="no"·​title="Gen_Server·​Behaviour"·​expanded="false">Gen_​Server·​Behaviour<ul>
62 <li><a·​href="gen_server_conc​epts.​html"> 62 <li><a·​href="gen_server_conc​epts.​html">
63 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 63 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
64 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 64 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
65 <li·​title="Client-​Server·​Principles"><a·​href="gen_server_conc​epts.​html#idm1397214739903​84">Client-​Server·​Principles</​a></​li> 65 <li·​title="Client-​Server·​Principles"><a·​href="gen_server_conc​epts.​html#idm1402310087701​28">Client-​Server·​Principles</​a></​li>
66 <li·​title="Example"><a·​href="gen_server_conc​epts.​html#idm1397214739937​92">Example</​a></​li> 66 <li·​title="Example"><a·​href="gen_server_conc​epts.​html#idm1402310086976​32">Example</​a></​li>
67 <li·​title="Starting·​a·​Gen_Server"><a·​href="gen_server_conc​epts.​html#idm1397214739981​60">Starting·​a·​Gen_Server</​a></​li> 67 <li·​title="Starting·​a·​Gen_Server"><a·​href="gen_server_conc​epts.​html#idm1402310087020​00">Starting·​a·​Gen_Server</​a></​li>
68 <li·​title="Synchronous·​Requests·​-​·​Call"><a·​href="gen_server_conc​epts.​html#idm1397214737669​92">Synchronous·​Requests·​-​·​Call</​a></​li> 68 <li·​title="Synchronous·​Requests·​-​·​Call"><a·​href="gen_server_conc​epts.​html#idm1402310087762​24">Synchronous·​Requests·​-​·​Call</​a></​li>
69 <li·​title="Asynchronous·​Requests·​-​·​Cast"><a·​href="gen_server_conc​epts.​html#idm1397214740228​64">Asynchronous·​Requests·​-​·​Cast</​a></​li> 69 <li·​title="Asynchronous·​Requests·​-​·​Cast"><a·​href="gen_server_conc​epts.​html#idm1402310087864​32">Asynchronous·​Requests·​-​·​Cast</​a></​li>
70 <li·​title="Stopping"><a·​href="gen_server_conc​epts.​html#idm1397214738923​52">Stopping</​a></​li> 70 <li·​title="Stopping"><a·​href="gen_server_conc​epts.​html#idm1402310090753​76">Stopping</​a></​li>
71 <li·​title="Handling·​Other·​Messages"><a·​href="gen_server_conc​epts.​html#idm1397214739025​12">Handling·​Other·​Messages</​a></​li> 71 <li·​title="Handling·​Other·​Messages"><a·​href="gen_server_conc​epts.​html#idm1402310086217​44">Handling·​Other·​Messages</​a></​li>
72 </​ul> 72 </​ul>
73 </​li> 73 </​li>
74 <li·​id="no"·​title="Gen_Fsm·​Behaviour"·​expanded="false">Gen_​Fsm·​Behaviour<ul> 74 <li·​id="no"·​title="Gen_Fsm·​Behaviour"·​expanded="false">Gen_​Fsm·​Behaviour<ul>
75 <li><a·​href="fsm.​html"> 75 <li><a·​href="fsm.​html">
76 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 76 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
77 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 77 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
78 <li·​title="Finite·​State·​Machines"><a·​href="fsm.​html#idm1397214739128​16">Finite·​State·​Machines</​a></​li> 78 <li·​title="Finite·​State·​Machines"><a·​href="fsm.​html#idm1402310090907​52">Finite·​State·​Machines</​a></​li>
79 <li·​title="Example"><a·​href="fsm.​html#idm1397214744873​28">Example</​a></​li> 79 <li·​title="Example"><a·​href="fsm.​html#idm1402310087992​48">Example</​a></​li>
80 <li·​title="Starting·​a·​Gen_Fsm"><a·​href="fsm.​html#idm1397214737307​36">Starting·​a·​Gen_Fsm</​a></​li> 80 <li·​title="Starting·​a·​Gen_Fsm"><a·​href="fsm.​html#idm1402310095516​00">Starting·​a·​Gen_Fsm</​a></​li>
81 <li·​title="Notifying·​About·​Events"><a·​href="fsm.​html#idm1397214737268​48">Notifying·​About·​Events</​a></​li> 81 <li·​title="Notifying·​About·​Events"><a·​href="fsm.​html#idm1402310091153​60">Notifying·​About·​Events</​a></​li>
82 <li·​title="Timeouts"><a·​href="fsm.​html#idm1397214745703​04">Timeouts</​a></​li> 82 <li·​title="Timeouts"><a·​href="fsm.​html#idm1402310098085​44">Timeouts</​a></​li>
83 <li·​title="All·​State·​Events"><a·​href="fsm.​html#idm1397214746614​08">All·​State·​Events</​a></​li> 83 <li·​title="All·​State·​Events"><a·​href="fsm.​html#idm1402310093031​52">All·​State·​Events</​a></​li>
84 <li·​title="Stopping"><a·​href="fsm.​html#idm1397214746854​40">Stopping</​a></​li> 84 <li·​title="Stopping"><a·​href="fsm.​html#idm1402310089129​76">Stopping</​a></​li>
85 <li·​title="Handling·​Other·​Messages"><a·​href="fsm.​html#idm1397214740112​00">Handling·​Other·​Messages</​a></​li> 85 <li·​title="Handling·​Other·​Messages"><a·​href="fsm.​html#idm1402310084326​88">Handling·​Other·​Messages</​a></​li>
86 </​ul> 86 </​ul>
87 </​li> 87 </​li>
88 <li·​id="no"·​title="Gen_Event·​Behaviour"·​expanded="false">Gen_​Event·​Behaviour<ul> 88 <li·​id="no"·​title="Gen_Event·​Behaviour"·​expanded="false">Gen_​Event·​Behaviour<ul>
89 <li><a·​href="events.​html"> 89 <li><a·​href="events.​html">
90 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 90 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
91 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 91 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
92 <li·​title="Event·​Handling·​Principles"><a·​href="events.​html#idm1397214751144​00">Event·​Handling·​Principles</​a></​li> 92 <li·​title="Event·​Handling·​Principles"><a·​href="events.​html#idm1402310091793​92">Event·​Handling·​Principles</​a></​li>
93 <li·​title="Example"><a·​href="events.​html#idm1397214738065​60">Example</​a></​li> 93 <li·​title="Example"><a·​href="events.​html#idm1402310084171​52">Example</​a></​li>
94 <li·​title="Starting·​an·​Event·​Manager"><a·​href="events.​html#idm1397214738025​44">Starting·​an·​Event·​Manager</​a></​li> 94 <li·​title="Starting·​an·​Event·​Manager"><a·​href="events.​html#idm1402310084131​36">Starting·​an·​Event·​Manager</​a></​li>
95 <li·​title="Adding·​an·​Event·​Handler"><a·​href="events.​html#idm1397214747192​64">Adding·​an·​Event·​Handler</​a></​li> 95 <li·​title="Adding·​an·​Event·​Handler"><a·​href="events.​html#idm1402310093887​52">Adding·​an·​Event·​Handler</​a></​li>
96 <li·​title="Notifying·​About·​Events"><a·​href="events.​html#idm1397214738881​76">Notifying·​About·​Events</​a></​li> 96 <li·​title="Notifying·​About·​Events"><a·​href="events.​html#idm1402310087285​12">Notifying·​About·​Events</​a></​li>
97 <li·​title="Deleting·​an·​Event·​Handler"><a·​href="events.​html#idm1397214738804​00">Deleting·​an·​Event·​Handler</​a></​li> 97 <li·​title="Deleting·​an·​Event·​Handler"><a·​href="events.​html#idm1402310087207​36">Deleting·​an·​Event·​Handler</​a></​li>
98 <li·​title="Stopping"><a·​href="events.​html#idm1397214738724​64">Stopping</​a></​li> 98 <li·​title="Stopping"><a·​href="events.​html#idm1402310086894​08">Stopping</​a></​li>
99 <li·​title="Handling·​Other·​Messages"><a·​href="events.​html#idm1397214738663​04">Handling·​Other·​Messages</​a></​li> 99 <li·​title="Handling·​Other·​Messages"><a·​href="events.​html#idm1402310086832​48">Handling·​Other·​Messages</​a></​li>
100 </​ul> 100 </​ul>
101 </​li> 101 </​li>
102 <li·​id="no"·​title="Supervisor·​Behaviour"·​expanded="false">Supe​rvisor·​Behaviour<ul> 102 <li·​id="no"·​title="Supervisor·​Behaviour"·​expanded="false">Supe​rvisor·​Behaviour<ul>
103 <li><a·​href="sup_princ.​html"> 103 <li><a·​href="sup_princ.​html">
104 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 104 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
105 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 105 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
106 <li·​title="Supervision·​Principles"><a·​href="sup_princ.​html#idm1397214734009​44">Supervision·​Principles</​a></​li> 106 <li·​title="Supervision·​Principles"><a·​href="sup_princ.​html#idm1402310082917​44">Supervision·​Principles</​a></​li>
107 <li·​title="Example"><a·​href="sup_princ.​html#idm1397214733982​56">Example</​a></​li> 107 <li·​title="Example"><a·​href="sup_princ.​html#idm1402310096825​28">Example</​a></​li>
108 <li·​title="Restart·​Strategy"><a·​href="sup_princ.​html#idm1397214733907​20">Restart·​Strategy</​a></​li> 108 <li·​title="Restart·​Strategy"><a·​href="sup_princ.​html#idm1402310096296​32">Restart·​Strategy</​a></​li>
109 <li·​title="Maximum·​Restart·​Frequency"><a·​href="sup_princ.​html#idm1397214733820​32">Maximum·​Restart·​Frequency</​a></​li> 109 <li·​title="Maximum·​Restart·​Frequency"><a·​href="sup_princ.​html#idm1402310088963​68">Maximum·​Restart·​Frequency</​a></​li>
110 <li·​title="Child·​Specification"><a·​href="sup_princ.​html#idm1397214741044​48">Child·​Specification</​a></​li> 110 <li·​title="Child·​Specification"><a·​href="sup_princ.​html#idm1402310082857​44">Child·​Specification</​a></​li>
111 <li·​title="Starting·​a·​Supervisor"><a·​href="sup_princ.​html#idm1397214733595​20">Starting·​a·​Supervisor</​a></​li> 111 <li·​title="Starting·​a·​Supervisor"><a·​href="sup_princ.​html#idm1402310082533​28">Starting·​a·​Supervisor</​a></​li>
112 <li·​title="Adding·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1397214733484​00">Adding·​a·​Child·​Process</​a></​li> 112 <li·​title="Adding·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1402310082422​08">Adding·​a·​Child·​Process</​a></​li>
113 <li·​title="Stopping·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1397214733440​16">Stopping·​a·​Child·​Process</​a></​li> 113 <li·​title="Stopping·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1402310082378​24">Stopping·​a·​Child·​Process</​a></​li>
114 <li·​title="Simple-​One-​For-​One·​Supervisors"><a·​href="sup_princ.​html#idm1397214733392​48">Simple-​One-​For-​One·​Supervisors</​a></​li> 114 <li·​title="Simple-​One-​For-​One·​Supervisors"><a·​href="sup_princ.​html#idm1402310082330​24">Simple-​One-​For-​One·​Supervisors</​a></​li>
115 <li·​title="Stopping"><a·​href="sup_princ.​html#idm1397214733269​76">Stopping</​a></​li> 115 <li·​title="Stopping"><a·​href="sup_princ.​html#idm1402310082180​80">Stopping</​a></​li>
116 </​ul> 116 </​ul>
117 </​li> 117 </​li>
118 <li·​id="no"·​title="Sys·​and·​Proc_Lib"·​expanded="false">Sys·​and·​Proc_Lib<ul> 118 <li·​id="no"·​title="Sys·​and·​Proc_Lib"·​expanded="false">Sys·​and·​Proc_Lib<ul>
119 <li><a·​href="spec_proc.​html"> 119 <li><a·​href="spec_proc.​html">
120 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 120 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
121 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 121 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
122 <li·​title="Simple·​Debugging"><a·​href="spec_proc.​html#idm1397214733152​80">Simple·​Debugging</​a></​li> 122 <li·​title="Simple·​Debugging"><a·​href="spec_proc.​html#idm1402310082063​84">Simple·​Debugging</​a></​li>
123 <li·​title="Special·​Processes"><a·​href="spec_proc.​html#idm1397214733051​52">Special·​Processes</​a></​li> 123 <li·​title="Special·​Processes"><a·​href="spec_proc.​html#idm1402310081962​56">Special·​Processes</​a></​li>
124 <li·​title="User-​Defined·​Behaviours"><a·​href="spec_proc.​html#idm1397214732279​04">User-​Defined·​Behaviours</​a></​li> 124 <li·​title="User-​Defined·​Behaviours"><a·​href="spec_proc.​html#idm1402310081190​08">User-​Defined·​Behaviours</​a></​li>
125 </​ul> 125 </​ul>
126 </​li> 126 </​li>
127 <li·​id="no"·​title="Applications"·​expanded="false">Appl​ications<ul> 127 <li·​id="no"·​title="Applications"·​expanded="false">Appl​ications<ul>
128 <li><a·​href="applications.​html"> 128 <li><a·​href="applications.​html">
129 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 129 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
130 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 130 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
131 <li·​title="Application·​Concept"><a·​href="applications.​html#idm1397214732041​60">Application·​Concept</​a></​li> 131 <li·​title="Application·​Concept"><a·​href="applications.​html#idm1402310080952​64">Application·​Concept</​a></​li>
132 <li·​title="Application·​Callback·​Module"><a·​href="applications.​html#idm1397214731961​12">Application·​Callback·​Module</​a></​li> 132 <li·​title="Application·​Callback·​Module"><a·​href="applications.​html#idm1402310080872​16">Application·​Callback·​Module</​a></​li>
133 <li·​title="Application·​Resource·​File"><a·​href="applications.​html#idm1397214731824​32">Application·​Resource·​File</​a></​li> 133 <li·​title="Application·​Resource·​File"><a·​href="applications.​html#idm1402310080735​36">Application·​Resource·​File</​a></​li>
134 <li·​title="Directory·​Structure"><a·​href="applications.​html#idm1397214731520​96">Directory·​Structure</​a></​li> 134 <li·​title="Directory·​Structure"><a·​href="applications.​html#idm1402310080432​00">Directory·​Structure</​a></​li>
135 <li·​title="Application·​Controller"><a·​href="applications.​html#idm1397214731369​60">Application·​Controller</​a></​li> 135 <li·​title="Application·​Controller"><a·​href="applications.​html#idm1402310080280​64">Application·​Controller</​a></​li>
136 <li·​title="Loading·​and·​Unloading·​Applications"><a·​href="applications.​html#idm1397214731330​24">Loading·​and·​Unloading·​Applications</​a></​li> 136 <li·​title="Loading·​and·​Unloading·​Applications"><a·​href="applications.​html#idm1402310080241​28">Loading·​and·​Unloading·​Applications</​a></​li>
137 <li·​title="Starting·​and·​Stopping·​Applications"><a·​href="applications.​html#idm1397214731255​68">Starting·​and·​Stopping·​Applications</​a></​li> 137 <li·​title="Starting·​and·​Stopping·​Applications"><a·​href="applications.​html#idm1402310080166​72">Starting·​and·​Stopping·​Applications</​a></​li>
138 <li·​title="Configuring·​an·​Application"><a·​href="applications.​html#idm1397214731150​56">Configuring·​an·​Application</​a></​li> 138 <li·​title="Configuring·​an·​Application"><a·​href="applications.​html#idm1402310080061​60">Configuring·​an·​Application</​a></​li>
139 <li·​title="Application·​Start·​Types"><a·​href="applications.​html#idm1397214730911​20">Application·​Start·​Types</​a></​li> 139 <li·​title="Application·​Start·​Types"><a·​href="applications.​html#idm1402310079822​24">Application·​Start·​Types</​a></​li>
140 </​ul> 140 </​ul>
141 </​li> 141 </​li>
142 <li·​id="no"·​title="Included·​Applications"·​expanded="false">Incl​uded·​Applications<ul> 142 <li·​id="no"·​title="Included·​Applications"·​expanded="false">Incl​uded·​Applications<ul>
143 <li><a·​href="included_applic​ations.​html"> 143 <li><a·​href="included_applic​ations.​html">
144 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 144 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
145 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 145 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
146 <li·​title="Definition"><a​·​href="included_applic​ations.​html#idm1397214730743​52">Definition</​a></​li> 146 <li·​title="Definition"><a​·​href="included_applic​ations.​html#idm1402310079654​56">Definition</​a></​li>
147 <li·​title="Specifying·​Included·​Applications"><a·​href="included_applic​ations.​html#idm1397214730664​96">Specifying·​Included·​Applications</​a></​li> 147 <li·​title="Specifying·​Included·​Applications"><a·​href="included_applic​ations.​html#idm1402310079576​00">Specifying·​Included·​Applications</​a></​li>
148 <li·​title="Synchronizing·​Processes·​During·​Startup"><a·​href="included_applic​ations.​html#idm1397214730634​56">Synchronizing·​Processes·​During·​Startup</​a></​li> 148 <li·​title="Synchronizing·​Processes·​During·​Startup"><a·​href="included_applic​ations.​html#idm1402310079545​60">Synchronizing·​Processes·​During·​Startup</​a></​li>
149 </​ul> 149 </​ul>
150 </​li> 150 </​li>
151 <li·​id="no"·​title="Distributed·​Applications"·​expanded="false">Dist​ributed·​Applications<ul> 151 <li·​id="no"·​title="Distributed·​Applications"·​expanded="false">Dist​ributed·​Applications<ul>
152 <li><a·​href="distributed_app​lications.​html"> 152 <li><a·​href="distributed_app​lications.​html">
153 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 153 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
154 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 154 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
155 <li·​title="Definition"><a​·​href="distributed_app​lications.​html#idm1397214730378​56">Definition</​a></​li> 155 <li·​title="Definition"><a​·​href="distributed_app​lications.​html#idm1402310079289​60">Definition</​a></​li>
156 <li·​title="Specifying·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1397214730335​36">Specifying·​Distributed·​Applications</​a></​li> 156 <li·​title="Specifying·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1402310079246​40">Specifying·​Distributed·​Applications</​a></​li>
157 <li·​title="Starting·​and·​Stopping·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1397214730087​68">Starting·​and·​Stopping·​Distributed·​Applications</​a></​li> 157 <li·​title="Starting·​and·​Stopping·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1402310078998​72">Starting·​and·​Stopping·​Distributed·​Applications</​a></​li>
158 <li·​title="Failover"><a·​href="distributed_app​lications.​html#idm1397214729965​28">Failover</​a></​li> 158 <li·​title="Failover"><a·​href="distributed_app​lications.​html#idm1402310078876​32">Failover</​a></​li>
159 <li·​title="Takeover"><a·​href="distributed_app​lications.​html#idm1397214729794​56">Takeover</​a></​li> 159 <li·​title="Takeover"><a·​href="distributed_app​lications.​html#idm1402310078705​60">Takeover</​a></​li>
160 </​ul> 160 </​ul>
161 </​li> 161 </​li>
162 <li·​id="no"·​title="Releases"·​expanded="false">Rele​ases<ul> 162 <li·​id="no"·​title="Releases"·​expanded="false">Rele​ases<ul>
163 <li><a·​href="release_structu​re.​html"> 163 <li><a·​href="release_structu​re.​html">
164 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 164 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
165 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 165 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
166 <li·​title="Release·​Concept"><a·​href="release_structu​re.​html#idm1397214729560​16">Release·​Concept</​a></​li> 166 <li·​title="Release·​Concept"><a·​href="release_structu​re.​html#idm1402310078471​20">Release·​Concept</​a></​li>
167 <li·​title="Release·​Resource·​File"><a·​href="release_structu​re.​html#idm1397214729497​12">Release·​Resource·​File</​a></​li> 167 <li·​title="Release·​Resource·​File"><a·​href="release_structu​re.​html#idm1402310078408​16">Release·​Resource·​File</​a></​li>
168 <li·​title="Generating·​Boot·​Scripts"><a·​href="release_structu​re.​html#idm1397214729320​00">Generating·​Boot·​Scripts</​a></​li> 168 <li·​title="Generating·​Boot·​Scripts"><a·​href="release_structu​re.​html#idm1402310078231​04">Generating·​Boot·​Scripts</​a></​li>
169 <li·​title="Creating·​a·​Release·​Package"><a·​href="release_structu​re.​html#idm1397214729207​36">Creating·​a·​Release·​Package</​a></​li> 169 <li·​title="Creating·​a·​Release·​Package"><a·​href="release_structu​re.​html#idm1402310078118​40">Creating·​a·​Release·​Package</​a></​li>
170 <li·​title="Directory·​Structure"><a·​href="release_structu​re.​html#idm1397214729029​12">Directory·​Structure</​a></​li> 170 <li·​title="Directory·​Structure"><a·​href="release_structu​re.​html#idm1402310077940​16">Directory·​Structure</​a></​li>
171 </​ul> 171 </​ul>
172 </​li> 172 </​li>
173 <li·​id="no"·​title="Release·​Handling"·​expanded="false">Rele​ase·​Handling<ul> 173 <li·​id="no"·​title="Release·​Handling"·​expanded="false">Rele​ase·​Handling<ul>
174 <li><a·​href="release_handlin​g.​html"> 174 <li><a·​href="release_handlin​g.​html">
175 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 175 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
176 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 176 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
177 <li·​title="Release·​Handling·​Principles"><a·​href="release_handlin​g.​html#idm1397214728725​44">Release·​Handling·​Principles</​a></​li> 177 <li·​title="Release·​Handling·​Principles"><a·​href="release_handlin​g.​html#idm1402310077636​48">Release·​Handling·​Principles</​a></​li>
178 <li·​title="Requirements">​<a·​href="release_handlin​g.​html#idm1397214728431​84">Requirements</​a></​li> 178 <li·​title="Requirements">​<a·​href="release_handlin​g.​html#idm1402310077342​88">Requirements</​a></​li>
179 <li·​title="Distributed·​Systems"><a·​href="release_handlin​g.​html#idm1397214728320​48">Distributed·​Systems</​a></​li> 179 <li·​title="Distributed·​Systems"><a·​href="release_handlin​g.​html#idm1402310077231​52">Distributed·​Systems</​a></​li>
180 <li·​title="Release·​Handling·​Instructions"><a·​href="release_handlin​g.​html#idm1397214728288​80">Release·​Handling·​Instructions</​a></​li> 180 <li·​title="Release·​Handling·​Instructions"><a·​href="release_handlin​g.​html#idm1402310077199​84">Release·​Handling·​Instructions</​a></​li>
181 <li·​title="Application·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1397214727656​64">Application·​Upgrade·​File</​a></​li> 181 <li·​title="Application·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1402310076567​68">Application·​Upgrade·​File</​a></​li>
182 <li·​title="Release·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1397214727438​24">Release·​Upgrade·​File</​a></​li> 182 <li·​title="Release·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1402310076349​28">Release·​Upgrade·​File</​a></​li>
183 <li·​title="Installing·​a·​Release"><a·​href="release_handlin​g.​html#idm1397214727250​88">Installing·​a·​Release</​a></​li> 183 <li·​title="Installing·​a·​Release"><a·​href="release_handlin​g.​html#idm1402310076161​92">Installing·​a·​Release</​a></​li>
184 <li·​title="Updating·​Application·​Specifications"><a·​href="release_handlin​g.​html#idm1397214726686​08">Updating·​Application·​Specifications</​a></​li> 184 <li·​title="Updating·​Application·​Specifications"><a·​href="release_handlin​g.​html#idm1402310075597​12">Updating·​Application·​Specifications</​a></​li>
185 </​ul> 185 </​ul>
186 </​li> 186 </​li>
187 <li·​id="no"·​title="Appup·​Cookbook"·​expanded="false">Appu​p·​Cookbook<ul> 187 <li·​id="no"·​title="Appup·​Cookbook"·​expanded="false">Appu​p·​Cookbook<ul>
188 <li><a·​href="appup_cookbook.​html"> 188 <li><a·​href="appup_cookbook.​html">
189 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 189 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
190 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 190 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
191 <li·​title="Changing·​a·​Functional·​Module"><a·​href="appup_cookbook.​html#idm1397214726465​28">Changing·​a·​Functional·​Module</​a></​li> 191 <li·​title="Changing·​a·​Functional·​Module"><a·​href="appup_cookbook.​html#idm1402310075376​32">Changing·​a·​Functional·​Module</​a></​li>
192 <li·​title="Changing·​a·​Residence·​Module"><a·​href="appup_cookbook.​html#idm1397214726437​92">Changing·​a·​Residence·​Module</​a></​li> 192 <li·​title="Changing·​a·​Residence·​Module"><a·​href="appup_cookbook.​html#idm1402310075348​96">Changing·​a·​Residence·​Module</​a></​li>
193 <li·​title="Changing·​a·​Callback·​Module"><a·​href="appup_cookbook.​html#idm1397214726391​36">Changing·​a·​Callback·​Module</​a></​li> 193 <li·​title="Changing·​a·​Callback·​Module"><a·​href="appup_cookbook.​html#idm1402310075302​40">Changing·​a·​Callback·​Module</​a></​li>
194 <li·​title="Changing·​Internal·​State"><a·​href="appup_cookbook.​html#idm1397214726330​08">Changing·​Internal·​State</​a></​li> 194 <li·​title="Changing·​Internal·​State"><a·​href="appup_cookbook.​html#idm1402310075241​12">Changing·​Internal·​State</​a></​li>
195 <li·​title="Module·​Dependencies"><a·​href="appup_cookbook.​html#idm1397214726168​64">Module·​Dependencies</​a></​li> 195 <li·​title="Module·​Dependencies"><a·​href="appup_cookbook.​html#idm1402310075079​68">Module·​Dependencies</​a></​li>
196 <li·​title="Changing·​Code·​For·​a·​Special·​Process"><a·​href="appup_cookbook.​html#idm1397214725963​84">Changing·​Code·​For·​a·​Special·​Process</​a></​li> 196 <li·​title="Changing·​Code·​For·​a·​Special·​Process"><a·​href="appup_cookbook.​html#idm1402310074874​88">Changing·​Code·​For·​a·​Special·​Process</​a></​li>
197 <li·​title="Changing·​a·​Supervisor"><a·​href="appup_cookbook.​html#idm1397214725763​68">Changing·​a·​Supervisor</​a></​li> 197 <li·​title="Changing·​a·​Supervisor"><a·​href="appup_cookbook.​html#idm1402310074674​72">Changing·​a·​Supervisor</​a></​li>
198 <li·​title="Adding·​or·​Deleting·​a·​Module"><a·​href="appup_cookbook.​html#idm1397214725468​64">Adding·​or·​Deleting·​a·​Module</​a></​li> 198 <li·​title="Adding·​or·​Deleting·​a·​Module"><a·​href="appup_cookbook.​html#idm1402310074379​68">Adding·​or·​Deleting·​a·​Module</​a></​li>
199 <li·​title="Starting·​or·​Terminating·​a·​Process"><a·​href="appup_cookbook.​html#idm1397214725438​24">Starting·​or·​Terminating·​a·​Process</​a></​li> 199 <li·​title="Starting·​or·​Terminating·​a·​Process"><a·​href="appup_cookbook.​html#idm1402310074349​28">Starting·​or·​Terminating·​a·​Process</​a></​li>
200 <li·​title="Adding·​or·​Removing·​an·​Application"><a·​href="appup_cookbook.​html#idm1397214725416​00">Adding·​or·​Removing·​an·​Application</​a></​li> 200 <li·​title="Adding·​or·​Removing·​an·​Application"><a·​href="appup_cookbook.​html#idm1402310074327​04">Adding·​or·​Removing·​an·​Application</​a></​li>
201 <li·​title="Restarting·​an·​Application"><a·​href="appup_cookbook.​html#idm1397214725379​20">Restarting·​an·​Application</​a></​li> 201 <li·​title="Restarting·​an·​Application"><a·​href="appup_cookbook.​html#idm1402310074290​24">Restarting·​an·​Application</​a></​li>
202 <li·​title="Changing·​an·​Application·​Specification"><a·​href="appup_cookbook.​html#idm1397214725328​64">Changing·​an·​Application·​Specification</​a></​li> 202 <li·​title="Changing·​an·​Application·​Specification"><a·​href="appup_cookbook.​html#idm1402310074239​68">Changing·​an·​Application·​Specification</​a></​li>
203 <li·​title="Changing·​Application·​Configuration"><a·​href="appup_cookbook.​html#idm1397214725300​00">Changing·​Application·​Configuration</​a></​li> 203 <li·​title="Changing·​Application·​Configuration"><a·​href="appup_cookbook.​html#idm1402310074211​04">Changing·​Application·​Configuration</​a></​li>
204 <li·​title="Changing·​Included·​Applications"><a·​href="appup_cookbook.​html#idm1397214725259​84">Changing·​Included·​Applications</​a></​li> 204 <li·​title="Changing·​Included·​Applications"><a·​href="appup_cookbook.​html#idm1402310074170​88">Changing·​Included·​Applications</​a></​li>
205 <li·​title="Changing·​Non-​Erlang·​Code"><a·​href="appup_cookbook.​html#idm1397214724972​00">Changing·​Non-​Erlang·​Code</​a></​li> 205 <li·​title="Changing·​Non-​Erlang·​Code"><a·​href="appup_cookbook.​html#idm1402310073883​04">Changing·​Non-​Erlang·​Code</​a></​li>
206 <li·​title="Emulator·​Restart·​and·​Upgrade"><a·​href="appup_cookbook.​html#idm1397214724870​56">Emulator·​Restart·​and·​Upgrade</​a></​li> 206 <li·​title="Emulator·​Restart·​and·​Upgrade"><a·​href="appup_cookbook.​html#idm1402310073781​60">Emulator·​Restart·​and·​Upgrade</​a></​li>
207 <li·​title="Emulator·​Upgrade·​from·​pre·​OTP·​R15"><a·​href="appup_cookbook.​html#idm1397214724778​72">Emulator·​Upgrade·​from·​pre·​OTP·​R15</​a></​li> 207 <li·​title="Emulator·​Upgrade·​from·​pre·​OTP·​R15"><a·​href="appup_cookbook.​html#idm1402310073689​76">Emulator·​Upgrade·​from·​pre·​OTP·​R15</​a></​li>
208 </​ul> 208 </​ul>
209 </​li> 209 </​li>
210 </​ul> 210 </​ul>
211 </​div></​div> 211 </​div></​div>
212 <div·​id="content"> 212 <div·​id="content">
213 <div·​class="innertube"> 213 <div·​class="innertube">
214 <h1>1 Overview</​h1> 214 <h1>1 Overview</​h1>
215 ·​·​ 215 ·​·​
216 ·​·​<p>The·​<strong>OTP·​Design·​Principles</​strong>·​is·​a·​set·​of·​principles·​for·​how 216 ·​·​<p>The·​<strong>OTP·​Design·​Principles</​strong>·​is·​a·​set·​of·​principles·​for·​how
217 ·​·​·​·​to·​structure·​Erlang·​code·​in·​terms·​of·​processes,​·​modules·​and 217 ·​·​·​·​to·​structure·​Erlang·​code·​in·​terms·​of·​processes,​·​modules·​and
218 ·​·​·​·​directories.​</​p> 218 ·​·​·​·​directories.​</​p>
   
219 ·​·​<h3><a·​name="idm139721473821​296">1.​1  219 ·​·​<h3><a·​name="idm140231008664​592">1.​1 
220 ·​·​·​·​·​·​·​·​Supervision·​Trees</​a></​h3> 220 ·​·​·​·​·​·​·​·​Supervision·​Trees</​a></​h3>
221 ·​·​·​·​ 221 ·​·​·​·​
222 ·​·​·​·​<p>A·​basic·​concept·​in·​Erlang/​OTP·​is·​the·​<strong>supervision·​tree</​strong>.​ 222 ·​·​·​·​<p>A·​basic·​concept·​in·​Erlang/​OTP·​is·​the·​<strong>supervision·​tree</​strong>.​
223 ·​·​·​·​·​·​This·​is·​a·​process·​structuring·​model·​based·​on·​the·​idea·​of 223 ·​·​·​·​·​·​This·​is·​a·​process·​structuring·​model·​based·​on·​the·​idea·​of
224 ·​·​·​·​·​·​<strong>workers</​strong>·​and·​<strong>supervisors</​strong>.​</​p> 224 ·​·​·​·​·​·​<strong>workers</​strong>·​and·​<strong>supervisors</​strong>.​</​p>
225 ·​·​·​·​<ul> 225 ·​·​·​·​<ul>
226 ·​·​·​·​·​·​<li>Workers·​are·​processes·​which·​perform·​computations,​·​that·​is,​ 226 ·​·​·​·​·​·​<li>Workers·​are·​processes·​which·​perform·​computations,​·​that·​is,​
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240 ·​·​·​·​·​·​·​·​  240 ·​·​·​·​·​·​·​·​ 
241 ·​·​·​·​·​·​·​·​Supervision·​Tree</​em> 241 ·​·​·​·​·​·​·​·​Supervision·​Tree</​em>
242 ·​·​·​·​ 242 ·​·​·​·​
243 ·​·​·​·​<p>In·​the·​figure·​above,​·​square·​boxes·​represents·​supervisors·​and 243 ·​·​·​·​<p>In·​the·​figure·​above,​·​square·​boxes·​represents·​supervisors·​and
244 ·​·​·​·​·​·​circles·​represent·​workers.​</​p> 244 ·​·​·​·​·​·​circles·​represent·​workers.​</​p>
245 ·​·​ 245 ·​·​
   
246 ·​·​<h3><a·​name="idm139721473829​392">1.​2  246 ·​·​<h3><a·​name="idm140231008672​688">1.​2 
247 ·​·​·​·​·​·​·​·​Behaviours</​a></​h3> 247 ·​·​·​·​·​·​·​·​Behaviours</​a></​h3>
248 ·​·​·​·​ 248 ·​·​·​·​
249 ·​·​·​·​<p>In·​a·​supervision·​tree,​·​many·​of·​the·​processes·​have·​similar 249 ·​·​·​·​<p>In·​a·​supervision·​tree,​·​many·​of·​the·​processes·​have·​similar
250 ·​·​·​·​·​·​structures,​·​they·​follow·​similar·​patterns.​·​For·​example,​ 250 ·​·​·​·​·​·​structures,​·​they·​follow·​similar·​patterns.​·​For·​example,​
251 ·​·​·​·​·​·​the·​supervisors·​are·​very·​similar·​in·​structure.​·​The·​only·​difference 251 ·​·​·​·​·​·​the·​supervisors·​are·​very·​similar·​in·​structure.​·​The·​only·​difference
252 ·​·​·​·​·​·​between·​them·​is·​which·​child·​processes·​they·​supervise.​·​Also,​·​many 252 ·​·​·​·​·​·​between·​them·​is·​which·​child·​processes·​they·​supervise.​·​Also,​·​many
253 ·​·​·​·​·​·​of·​the·​workers·​are·​servers·​in·​a·​server-​client·​relation,​·​finite 253 ·​·​·​·​·​·​of·​the·​workers·​are·​servers·​in·​a·​server-​client·​relation,​·​finite
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428 .​.​.​ 428 .​.​.​
   
429 3&gt;​·​c(chs3)​.​ 429 3&gt;​·​c(chs3)​.​
430 .​/​chs3.​erl:​10:​·​Warning:​·​undefined·​call-​back·​function·​handle_call/​3 430 .​/​chs3.​erl:​10:​·​Warning:​·​undefined·​call-​back·​function·​handle_call/​3
431 {ok,​chs3}</​pre></​div> 431 {ok,​chs3}</​pre></​div>
432 ·​·​ 432 ·​·​
   
433 ·​·​<h3><a·​name="idm139721473858​752">1.​3  433 ·​·​<h3><a·​name="idm140231008752​016">1.​3 
434 ·​·​·​·​·​·​·​·​Applications</​a></​h3> 434 ·​·​·​·​·​·​·​·​Applications</​a></​h3>
435 ·​·​·​·​ 435 ·​·​·​·​
436 ·​·​·​·​<p>Erlang/​OTP·​comes·​with·​a·​number·​of·​components,​·​each·​implementing 436 ·​·​·​·​<p>Erlang/​OTP·​comes·​with·​a·​number·​of·​components,​·​each·​implementing
437 ·​·​·​·​·​·​some·​specific·​functionality.​·​Components·​are·​with·​Erlang/​OTP 437 ·​·​·​·​·​·​some·​specific·​functionality.​·​Components·​are·​with·​Erlang/​OTP
438 ·​·​·​·​·​·​terminology·​called·​<strong>applications<​/​strong>.​·​Examples·​of·​Erlang/​OTP 438 ·​·​·​·​·​·​terminology·​called·​<strong>applications<​/​strong>.​·​Examples·​of·​Erlang/​OTP
439 ·​·​·​·​·​·​applications·​are·​Mnesia,​·​which·​has·​everything·​needed·​for 439 ·​·​·​·​·​·​applications·​are·​Mnesia,​·​which·​has·​everything·​needed·​for
440 ·​·​·​·​·​·​programming·​database·​services,​·​and·​Debugger·​which·​is·​used·​to 440 ·​·​·​·​·​·​programming·​database·​services,​·​and·​Debugger·​which·​is·​used·​to
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450 ·​·​·​·​·​·​of·​a·​library·​application·​is·​STDLIB.​</​p> 450 ·​·​·​·​·​·​of·​a·​library·​application·​is·​STDLIB.​</​p>
451 ·​·​·​·​<p>An·​application·​with·​processes·​is·​easiest·​implemented·​as·​a 451 ·​·​·​·​<p>An·​application·​with·​processes·​is·​easiest·​implemented·​as·​a
452 ·​·​·​·​·​·​supervision·​tree·​using·​the·​standard·​behaviours.​</​p> 452 ·​·​·​·​·​·​supervision·​tree·​using·​the·​standard·​behaviours.​</​p>
453 ·​·​·​·​<p>How·​to·​program·​applications·​is·​described·​in 453 ·​·​·​·​<p>How·​to·​program·​applications·​is·​described·​in
454 ·​·​·​·​·​·​<span·​class="bold_code"><a·​href="applications.​html">Applications</​a></​span>.​</​p> 454 ·​·​·​·​·​·​<span·​class="bold_code"><a·​href="applications.​html">Applications</​a></​span>.​</​p>
455 ·​·​ 455 ·​·​
   
456 ·​·​<h3><a·​name="idm139721473863​744">1.​4  456 ·​·​<h3><a·​name="idm140231008757​072">1.​4 
457 ·​·​·​·​·​·​·​·​Releases</​a></​h3> 457 ·​·​·​·​·​·​·​·​Releases</​a></​h3>
458 ·​·​·​·​ 458 ·​·​·​·​
459 ·​·​·​·​<p>A·​<strong>release</​strong>·​is·​a·​complete·​system·​made·​out·​from·​a·​subset·​of 459 ·​·​·​·​<p>A·​<strong>release</​strong>·​is·​a·​complete·​system·​made·​out·​from·​a·​subset·​of
460 ·​·​·​·​·​·​the·​Erlang/​OTP·​applications·​and·​a·​set·​of·​user-​specific 460 ·​·​·​·​·​·​the·​Erlang/​OTP·​applications·​and·​a·​set·​of·​user-​specific
461 ·​·​·​·​·​·​applications.​</​p> 461 ·​·​·​·​·​·​applications.​</​p>
462 ·​·​·​·​<p>How·​to·​program·​releases·​is·​described·​in 462 ·​·​·​·​<p>How·​to·​program·​releases·​is·​described·​in
463 ·​·​·​·​·​·​<span·​class="bold_code"><a·​href="release_structu​re.​html">Releases</​a></​span>.​</​p> 463 ·​·​·​·​·​·​<span·​class="bold_code"><a·​href="release_structu​re.​html">Releases</​a></​span>.​</​p>
464 ·​·​·​·​<p>How·​to·​install·​a·​release·​in·​a·​target·​environment·​is·​described 464 ·​·​·​·​<p>How·​to·​install·​a·​release·​in·​a·​target·​environment·​is·​described
465 ·​·​·​·​·​·​in·​the·​chapter·​about·​Target·​Systems·​in·​System·​Principles.​</​p> 465 ·​·​·​·​·​·​in·​the·​chapter·​about·​Target·​Systems·​in·​System·​Principles.​</​p>
466 ·​·​ 466 ·​·​
   
467 ·​·​<h3><a·​name="idm139721473980​896">1.​5  467 ·​·​<h3><a·​name="idm140231008760​592">1.​5 
468 ·​·​·​·​·​·​·​·​Release·​Handling</​a></​h3> 468 ·​·​·​·​·​·​·​·​Release·​Handling</​a></​h3>
469 ·​·​·​·​ 469 ·​·​·​·​
470 ·​·​·​·​<p><strong>Release·​handling</​strong>·​is·​upgrading·​and·​downgrading·​between 470 ·​·​·​·​<p><strong>Release·​handling</​strong>·​is·​upgrading·​and·​downgrading·​between
471 ·​·​·​·​·​·​different·​versions·​of·​a·​release,​·​in·​a·​(possibly)​·​running·​system.​ 471 ·​·​·​·​·​·​different·​versions·​of·​a·​release,​·​in·​a·​(possibly)​·​running·​system.​
472 ·​·​·​·​·​·​How·​to·​do·​this·​is·​described·​in 472 ·​·​·​·​·​·​How·​to·​do·​this·​is·​described·​in
473 ·​·​·​·​·​·​<span·​class="bold_code"><a·​href="release_handlin​g.​html">Release·​Handling</​a></​span>.​</​p> 473 ·​·​·​·​·​·​<span·​class="bold_code"><a·​href="release_handlin​g.​html">Release·​Handling</​a></​span>.​</​p>
474 ·​·​ 474 ·​·​
./usr/share/doc/erlang-17.4/doc/design_principles/distributed_applications.html
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47 <img·​alt="Erlang·​logo"·​src=".​.​/​erlang-​logo.​png"><br><small><a·​href="users_guide.​html">User's·​Guide</​a><br><a·​href=".​.​/​pdf/​otp-​system-​documentation-​6.​3.​pdf">PDF</​a><br><a·​href=".​.​/​index.​html">Top</​a></​small><p><strong>OTP·​Design·​Principles</​strong><br><strong>Us​er's·​Guide</​strong><br><small>Ver​sion·​6.​3</​small></​p> 47 <img·​alt="Erlang·​logo"·​src=".​.​/​erlang-​logo.​png"><br><small><a·​href="users_guide.​html">User's·​Guide</​a><br><a·​href=".​.​/​pdf/​otp-​system-​documentation-​6.​3.​pdf">PDF</​a><br><a·​href=".​.​/​index.​html">Top</​a></​small><p><strong>OTP·​Design·​Principles</​strong><br><strong>Us​er's·​Guide</​strong><br><small>Ver​sion·​6.​3</​small></​p>
48 <br><a·​href="javascript:​openAllFlips()​">Expand·​All</​a><br><a·​href="javascript:​closeAllFlips()​">Contract·​All</​a><p><small><strong>C​hapters</​strong></​small></​p> 48 <br><a·​href="javascript:​openAllFlips()​">Expand·​All</​a><br><a·​href="javascript:​closeAllFlips()​">Contract·​All</​a><p><small><strong>C​hapters</​strong></​small></​p>
49 <ul·​class="flipMenu"·​imagepath=".​.​/​js/​flipmenu"> 49 <ul·​class="flipMenu"·​imagepath=".​.​/​js/​flipmenu">
50 <li·​id="no"·​title="Overview"·​expanded="false">Over​view<ul> 50 <li·​id="no"·​title="Overview"·​expanded="false">Over​view<ul>
51 <li><a·​href="des_princ.​html"> 51 <li><a·​href="des_princ.​html">
52 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 52 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
53 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 53 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
54 <li·​title="Supervision·​Trees"><a·​href="des_princ.​html#idm1397214738212​96">Supervision·​Trees</​a></​li> 54 <li·​title="Supervision·​Trees"><a·​href="des_princ.​html#idm1402310086645​92">Supervision·​Trees</​a></​li>
55 <li·​title="Behaviours"><a​·​href="des_princ.​html#idm1397214738293​92">Behaviours</​a></​li> 55 <li·​title="Behaviours"><a​·​href="des_princ.​html#idm1402310086726​88">Behaviours</​a></​li>
56 <li·​title="Applications">​<a·​href="des_princ.​html#idm1397214738587​52">Applications</​a></​li> 56 <li·​title="Applications">​<a·​href="des_princ.​html#idm1402310087520​16">Applications</​a></​li>
57 <li·​title="Releases"><a·​href="des_princ.​html#idm1397214738637​44">Releases</​a></​li> 57 <li·​title="Releases"><a·​href="des_princ.​html#idm1402310087570​72">Releases</​a></​li>
58 <li·​title="Release·​Handling"><a·​href="des_princ.​html#idm1397214739808​96">Release·​Handling</​a></​li> 58 <li·​title="Release·​Handling"><a·​href="des_princ.​html#idm1402310087605​92">Release·​Handling</​a></​li>
59 </​ul> 59 </​ul>
60 </​li> 60 </​li>
61 <li·​id="no"·​title="Gen_Server·​Behaviour"·​expanded="false">Gen_​Server·​Behaviour<ul> 61 <li·​id="no"·​title="Gen_Server·​Behaviour"·​expanded="false">Gen_​Server·​Behaviour<ul>
62 <li><a·​href="gen_server_conc​epts.​html"> 62 <li><a·​href="gen_server_conc​epts.​html">
63 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 63 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
64 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 64 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
65 <li·​title="Client-​Server·​Principles"><a·​href="gen_server_conc​epts.​html#idm1397214739903​84">Client-​Server·​Principles</​a></​li> 65 <li·​title="Client-​Server·​Principles"><a·​href="gen_server_conc​epts.​html#idm1402310087701​28">Client-​Server·​Principles</​a></​li>
66 <li·​title="Example"><a·​href="gen_server_conc​epts.​html#idm1397214739937​92">Example</​a></​li> 66 <li·​title="Example"><a·​href="gen_server_conc​epts.​html#idm1402310086976​32">Example</​a></​li>
67 <li·​title="Starting·​a·​Gen_Server"><a·​href="gen_server_conc​epts.​html#idm1397214739981​60">Starting·​a·​Gen_Server</​a></​li> 67 <li·​title="Starting·​a·​Gen_Server"><a·​href="gen_server_conc​epts.​html#idm1402310087020​00">Starting·​a·​Gen_Server</​a></​li>
68 <li·​title="Synchronous·​Requests·​-​·​Call"><a·​href="gen_server_conc​epts.​html#idm1397214737669​92">Synchronous·​Requests·​-​·​Call</​a></​li> 68 <li·​title="Synchronous·​Requests·​-​·​Call"><a·​href="gen_server_conc​epts.​html#idm1402310087762​24">Synchronous·​Requests·​-​·​Call</​a></​li>
69 <li·​title="Asynchronous·​Requests·​-​·​Cast"><a·​href="gen_server_conc​epts.​html#idm1397214740228​64">Asynchronous·​Requests·​-​·​Cast</​a></​li> 69 <li·​title="Asynchronous·​Requests·​-​·​Cast"><a·​href="gen_server_conc​epts.​html#idm1402310087864​32">Asynchronous·​Requests·​-​·​Cast</​a></​li>
70 <li·​title="Stopping"><a·​href="gen_server_conc​epts.​html#idm1397214738923​52">Stopping</​a></​li> 70 <li·​title="Stopping"><a·​href="gen_server_conc​epts.​html#idm1402310090753​76">Stopping</​a></​li>
71 <li·​title="Handling·​Other·​Messages"><a·​href="gen_server_conc​epts.​html#idm1397214739025​12">Handling·​Other·​Messages</​a></​li> 71 <li·​title="Handling·​Other·​Messages"><a·​href="gen_server_conc​epts.​html#idm1402310086217​44">Handling·​Other·​Messages</​a></​li>
72 </​ul> 72 </​ul>
73 </​li> 73 </​li>
74 <li·​id="no"·​title="Gen_Fsm·​Behaviour"·​expanded="false">Gen_​Fsm·​Behaviour<ul> 74 <li·​id="no"·​title="Gen_Fsm·​Behaviour"·​expanded="false">Gen_​Fsm·​Behaviour<ul>
75 <li><a·​href="fsm.​html"> 75 <li><a·​href="fsm.​html">
76 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 76 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
77 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 77 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
78 <li·​title="Finite·​State·​Machines"><a·​href="fsm.​html#idm1397214739128​16">Finite·​State·​Machines</​a></​li> 78 <li·​title="Finite·​State·​Machines"><a·​href="fsm.​html#idm1402310090907​52">Finite·​State·​Machines</​a></​li>
79 <li·​title="Example"><a·​href="fsm.​html#idm1397214744873​28">Example</​a></​li> 79 <li·​title="Example"><a·​href="fsm.​html#idm1402310087992​48">Example</​a></​li>
80 <li·​title="Starting·​a·​Gen_Fsm"><a·​href="fsm.​html#idm1397214737307​36">Starting·​a·​Gen_Fsm</​a></​li> 80 <li·​title="Starting·​a·​Gen_Fsm"><a·​href="fsm.​html#idm1402310095516​00">Starting·​a·​Gen_Fsm</​a></​li>
81 <li·​title="Notifying·​About·​Events"><a·​href="fsm.​html#idm1397214737268​48">Notifying·​About·​Events</​a></​li> 81 <li·​title="Notifying·​About·​Events"><a·​href="fsm.​html#idm1402310091153​60">Notifying·​About·​Events</​a></​li>
82 <li·​title="Timeouts"><a·​href="fsm.​html#idm1397214745703​04">Timeouts</​a></​li> 82 <li·​title="Timeouts"><a·​href="fsm.​html#idm1402310098085​44">Timeouts</​a></​li>
83 <li·​title="All·​State·​Events"><a·​href="fsm.​html#idm1397214746614​08">All·​State·​Events</​a></​li> 83 <li·​title="All·​State·​Events"><a·​href="fsm.​html#idm1402310093031​52">All·​State·​Events</​a></​li>
84 <li·​title="Stopping"><a·​href="fsm.​html#idm1397214746854​40">Stopping</​a></​li> 84 <li·​title="Stopping"><a·​href="fsm.​html#idm1402310089129​76">Stopping</​a></​li>
85 <li·​title="Handling·​Other·​Messages"><a·​href="fsm.​html#idm1397214740112​00">Handling·​Other·​Messages</​a></​li> 85 <li·​title="Handling·​Other·​Messages"><a·​href="fsm.​html#idm1402310084326​88">Handling·​Other·​Messages</​a></​li>
86 </​ul> 86 </​ul>
87 </​li> 87 </​li>
88 <li·​id="no"·​title="Gen_Event·​Behaviour"·​expanded="false">Gen_​Event·​Behaviour<ul> 88 <li·​id="no"·​title="Gen_Event·​Behaviour"·​expanded="false">Gen_​Event·​Behaviour<ul>
89 <li><a·​href="events.​html"> 89 <li><a·​href="events.​html">
90 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 90 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
91 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 91 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
92 <li·​title="Event·​Handling·​Principles"><a·​href="events.​html#idm1397214751144​00">Event·​Handling·​Principles</​a></​li> 92 <li·​title="Event·​Handling·​Principles"><a·​href="events.​html#idm1402310091793​92">Event·​Handling·​Principles</​a></​li>
93 <li·​title="Example"><a·​href="events.​html#idm1397214738065​60">Example</​a></​li> 93 <li·​title="Example"><a·​href="events.​html#idm1402310084171​52">Example</​a></​li>
94 <li·​title="Starting·​an·​Event·​Manager"><a·​href="events.​html#idm1397214738025​44">Starting·​an·​Event·​Manager</​a></​li> 94 <li·​title="Starting·​an·​Event·​Manager"><a·​href="events.​html#idm1402310084131​36">Starting·​an·​Event·​Manager</​a></​li>
95 <li·​title="Adding·​an·​Event·​Handler"><a·​href="events.​html#idm1397214747192​64">Adding·​an·​Event·​Handler</​a></​li> 95 <li·​title="Adding·​an·​Event·​Handler"><a·​href="events.​html#idm1402310093887​52">Adding·​an·​Event·​Handler</​a></​li>
96 <li·​title="Notifying·​About·​Events"><a·​href="events.​html#idm1397214738881​76">Notifying·​About·​Events</​a></​li> 96 <li·​title="Notifying·​About·​Events"><a·​href="events.​html#idm1402310087285​12">Notifying·​About·​Events</​a></​li>
97 <li·​title="Deleting·​an·​Event·​Handler"><a·​href="events.​html#idm1397214738804​00">Deleting·​an·​Event·​Handler</​a></​li> 97 <li·​title="Deleting·​an·​Event·​Handler"><a·​href="events.​html#idm1402310087207​36">Deleting·​an·​Event·​Handler</​a></​li>
98 <li·​title="Stopping"><a·​href="events.​html#idm1397214738724​64">Stopping</​a></​li> 98 <li·​title="Stopping"><a·​href="events.​html#idm1402310086894​08">Stopping</​a></​li>
99 <li·​title="Handling·​Other·​Messages"><a·​href="events.​html#idm1397214738663​04">Handling·​Other·​Messages</​a></​li> 99 <li·​title="Handling·​Other·​Messages"><a·​href="events.​html#idm1402310086832​48">Handling·​Other·​Messages</​a></​li>
100 </​ul> 100 </​ul>
101 </​li> 101 </​li>
102 <li·​id="no"·​title="Supervisor·​Behaviour"·​expanded="false">Supe​rvisor·​Behaviour<ul> 102 <li·​id="no"·​title="Supervisor·​Behaviour"·​expanded="false">Supe​rvisor·​Behaviour<ul>
103 <li><a·​href="sup_princ.​html"> 103 <li><a·​href="sup_princ.​html">
104 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 104 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
105 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 105 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
106 <li·​title="Supervision·​Principles"><a·​href="sup_princ.​html#idm1397214734009​44">Supervision·​Principles</​a></​li> 106 <li·​title="Supervision·​Principles"><a·​href="sup_princ.​html#idm1402310082917​44">Supervision·​Principles</​a></​li>
107 <li·​title="Example"><a·​href="sup_princ.​html#idm1397214733982​56">Example</​a></​li> 107 <li·​title="Example"><a·​href="sup_princ.​html#idm1402310096825​28">Example</​a></​li>
108 <li·​title="Restart·​Strategy"><a·​href="sup_princ.​html#idm1397214733907​20">Restart·​Strategy</​a></​li> 108 <li·​title="Restart·​Strategy"><a·​href="sup_princ.​html#idm1402310096296​32">Restart·​Strategy</​a></​li>
109 <li·​title="Maximum·​Restart·​Frequency"><a·​href="sup_princ.​html#idm1397214733820​32">Maximum·​Restart·​Frequency</​a></​li> 109 <li·​title="Maximum·​Restart·​Frequency"><a·​href="sup_princ.​html#idm1402310088963​68">Maximum·​Restart·​Frequency</​a></​li>
110 <li·​title="Child·​Specification"><a·​href="sup_princ.​html#idm1397214741044​48">Child·​Specification</​a></​li> 110 <li·​title="Child·​Specification"><a·​href="sup_princ.​html#idm1402310082857​44">Child·​Specification</​a></​li>
111 <li·​title="Starting·​a·​Supervisor"><a·​href="sup_princ.​html#idm1397214733595​20">Starting·​a·​Supervisor</​a></​li> 111 <li·​title="Starting·​a·​Supervisor"><a·​href="sup_princ.​html#idm1402310082533​28">Starting·​a·​Supervisor</​a></​li>
112 <li·​title="Adding·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1397214733484​00">Adding·​a·​Child·​Process</​a></​li> 112 <li·​title="Adding·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1402310082422​08">Adding·​a·​Child·​Process</​a></​li>
113 <li·​title="Stopping·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1397214733440​16">Stopping·​a·​Child·​Process</​a></​li> 113 <li·​title="Stopping·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1402310082378​24">Stopping·​a·​Child·​Process</​a></​li>
114 <li·​title="Simple-​One-​For-​One·​Supervisors"><a·​href="sup_princ.​html#idm1397214733392​48">Simple-​One-​For-​One·​Supervisors</​a></​li> 114 <li·​title="Simple-​One-​For-​One·​Supervisors"><a·​href="sup_princ.​html#idm1402310082330​24">Simple-​One-​For-​One·​Supervisors</​a></​li>
115 <li·​title="Stopping"><a·​href="sup_princ.​html#idm1397214733269​76">Stopping</​a></​li> 115 <li·​title="Stopping"><a·​href="sup_princ.​html#idm1402310082180​80">Stopping</​a></​li>
116 </​ul> 116 </​ul>
117 </​li> 117 </​li>
118 <li·​id="no"·​title="Sys·​and·​Proc_Lib"·​expanded="false">Sys·​and·​Proc_Lib<ul> 118 <li·​id="no"·​title="Sys·​and·​Proc_Lib"·​expanded="false">Sys·​and·​Proc_Lib<ul>
119 <li><a·​href="spec_proc.​html"> 119 <li><a·​href="spec_proc.​html">
120 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 120 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
121 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 121 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
122 <li·​title="Simple·​Debugging"><a·​href="spec_proc.​html#idm1397214733152​80">Simple·​Debugging</​a></​li> 122 <li·​title="Simple·​Debugging"><a·​href="spec_proc.​html#idm1402310082063​84">Simple·​Debugging</​a></​li>
123 <li·​title="Special·​Processes"><a·​href="spec_proc.​html#idm1397214733051​52">Special·​Processes</​a></​li> 123 <li·​title="Special·​Processes"><a·​href="spec_proc.​html#idm1402310081962​56">Special·​Processes</​a></​li>
124 <li·​title="User-​Defined·​Behaviours"><a·​href="spec_proc.​html#idm1397214732279​04">User-​Defined·​Behaviours</​a></​li> 124 <li·​title="User-​Defined·​Behaviours"><a·​href="spec_proc.​html#idm1402310081190​08">User-​Defined·​Behaviours</​a></​li>
125 </​ul> 125 </​ul>
126 </​li> 126 </​li>
127 <li·​id="no"·​title="Applications"·​expanded="false">Appl​ications<ul> 127 <li·​id="no"·​title="Applications"·​expanded="false">Appl​ications<ul>
128 <li><a·​href="applications.​html"> 128 <li><a·​href="applications.​html">
129 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 129 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
130 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 130 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
131 <li·​title="Application·​Concept"><a·​href="applications.​html#idm1397214732041​60">Application·​Concept</​a></​li> 131 <li·​title="Application·​Concept"><a·​href="applications.​html#idm1402310080952​64">Application·​Concept</​a></​li>
132 <li·​title="Application·​Callback·​Module"><a·​href="applications.​html#idm1397214731961​12">Application·​Callback·​Module</​a></​li> 132 <li·​title="Application·​Callback·​Module"><a·​href="applications.​html#idm1402310080872​16">Application·​Callback·​Module</​a></​li>
133 <li·​title="Application·​Resource·​File"><a·​href="applications.​html#idm1397214731824​32">Application·​Resource·​File</​a></​li> 133 <li·​title="Application·​Resource·​File"><a·​href="applications.​html#idm1402310080735​36">Application·​Resource·​File</​a></​li>
134 <li·​title="Directory·​Structure"><a·​href="applications.​html#idm1397214731520​96">Directory·​Structure</​a></​li> 134 <li·​title="Directory·​Structure"><a·​href="applications.​html#idm1402310080432​00">Directory·​Structure</​a></​li>
135 <li·​title="Application·​Controller"><a·​href="applications.​html#idm1397214731369​60">Application·​Controller</​a></​li> 135 <li·​title="Application·​Controller"><a·​href="applications.​html#idm1402310080280​64">Application·​Controller</​a></​li>
136 <li·​title="Loading·​and·​Unloading·​Applications"><a·​href="applications.​html#idm1397214731330​24">Loading·​and·​Unloading·​Applications</​a></​li> 136 <li·​title="Loading·​and·​Unloading·​Applications"><a·​href="applications.​html#idm1402310080241​28">Loading·​and·​Unloading·​Applications</​a></​li>
137 <li·​title="Starting·​and·​Stopping·​Applications"><a·​href="applications.​html#idm1397214731255​68">Starting·​and·​Stopping·​Applications</​a></​li> 137 <li·​title="Starting·​and·​Stopping·​Applications"><a·​href="applications.​html#idm1402310080166​72">Starting·​and·​Stopping·​Applications</​a></​li>
138 <li·​title="Configuring·​an·​Application"><a·​href="applications.​html#idm1397214731150​56">Configuring·​an·​Application</​a></​li> 138 <li·​title="Configuring·​an·​Application"><a·​href="applications.​html#idm1402310080061​60">Configuring·​an·​Application</​a></​li>
139 <li·​title="Application·​Start·​Types"><a·​href="applications.​html#idm1397214730911​20">Application·​Start·​Types</​a></​li> 139 <li·​title="Application·​Start·​Types"><a·​href="applications.​html#idm1402310079822​24">Application·​Start·​Types</​a></​li>
140 </​ul> 140 </​ul>
141 </​li> 141 </​li>
142 <li·​id="no"·​title="Included·​Applications"·​expanded="false">Incl​uded·​Applications<ul> 142 <li·​id="no"·​title="Included·​Applications"·​expanded="false">Incl​uded·​Applications<ul>
143 <li><a·​href="included_applic​ations.​html"> 143 <li><a·​href="included_applic​ations.​html">
144 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 144 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
145 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 145 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
146 <li·​title="Definition"><a​·​href="included_applic​ations.​html#idm1397214730743​52">Definition</​a></​li> 146 <li·​title="Definition"><a​·​href="included_applic​ations.​html#idm1402310079654​56">Definition</​a></​li>
147 <li·​title="Specifying·​Included·​Applications"><a·​href="included_applic​ations.​html#idm1397214730664​96">Specifying·​Included·​Applications</​a></​li> 147 <li·​title="Specifying·​Included·​Applications"><a·​href="included_applic​ations.​html#idm1402310079576​00">Specifying·​Included·​Applications</​a></​li>
148 <li·​title="Synchronizing·​Processes·​During·​Startup"><a·​href="included_applic​ations.​html#idm1397214730634​56">Synchronizing·​Processes·​During·​Startup</​a></​li> 148 <li·​title="Synchronizing·​Processes·​During·​Startup"><a·​href="included_applic​ations.​html#idm1402310079545​60">Synchronizing·​Processes·​During·​Startup</​a></​li>
149 </​ul> 149 </​ul>
150 </​li> 150 </​li>
151 <li·​id="loadscrollpos"·​title="Distributed·​Applications"·​expanded="true">Distr​ibuted·​Applications<ul> 151 <li·​id="loadscrollpos"·​title="Distributed·​Applications"·​expanded="true">Distr​ibuted·​Applications<ul>
152 <li><a·​href="distributed_app​lications.​html"> 152 <li><a·​href="distributed_app​lications.​html">
153 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 153 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
154 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 154 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
155 <li·​title="Definition"><a​·​href="distributed_app​lications.​html#idm1397214730378​56">Definition</​a></​li> 155 <li·​title="Definition"><a​·​href="distributed_app​lications.​html#idm1402310079289​60">Definition</​a></​li>
156 <li·​title="Specifying·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1397214730335​36">Specifying·​Distributed·​Applications</​a></​li> 156 <li·​title="Specifying·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1402310079246​40">Specifying·​Distributed·​Applications</​a></​li>
157 <li·​title="Starting·​and·​Stopping·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1397214730087​68">Starting·​and·​Stopping·​Distributed·​Applications</​a></​li> 157 <li·​title="Starting·​and·​Stopping·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1402310078998​72">Starting·​and·​Stopping·​Distributed·​Applications</​a></​li>
158 <li·​title="Failover"><a·​href="distributed_app​lications.​html#idm1397214729965​28">Failover</​a></​li> 158 <li·​title="Failover"><a·​href="distributed_app​lications.​html#idm1402310078876​32">Failover</​a></​li>
159 <li·​title="Takeover"><a·​href="distributed_app​lications.​html#idm1397214729794​56">Takeover</​a></​li> 159 <li·​title="Takeover"><a·​href="distributed_app​lications.​html#idm1402310078705​60">Takeover</​a></​li>
160 </​ul> 160 </​ul>
161 </​li> 161 </​li>
162 <li·​id="no"·​title="Releases"·​expanded="false">Rele​ases<ul> 162 <li·​id="no"·​title="Releases"·​expanded="false">Rele​ases<ul>
163 <li><a·​href="release_structu​re.​html"> 163 <li><a·​href="release_structu​re.​html">
164 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 164 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
165 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 165 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
166 <li·​title="Release·​Concept"><a·​href="release_structu​re.​html#idm1397214729560​16">Release·​Concept</​a></​li> 166 <li·​title="Release·​Concept"><a·​href="release_structu​re.​html#idm1402310078471​20">Release·​Concept</​a></​li>
167 <li·​title="Release·​Resource·​File"><a·​href="release_structu​re.​html#idm1397214729497​12">Release·​Resource·​File</​a></​li> 167 <li·​title="Release·​Resource·​File"><a·​href="release_structu​re.​html#idm1402310078408​16">Release·​Resource·​File</​a></​li>
168 <li·​title="Generating·​Boot·​Scripts"><a·​href="release_structu​re.​html#idm1397214729320​00">Generating·​Boot·​Scripts</​a></​li> 168 <li·​title="Generating·​Boot·​Scripts"><a·​href="release_structu​re.​html#idm1402310078231​04">Generating·​Boot·​Scripts</​a></​li>
169 <li·​title="Creating·​a·​Release·​Package"><a·​href="release_structu​re.​html#idm1397214729207​36">Creating·​a·​Release·​Package</​a></​li> 169 <li·​title="Creating·​a·​Release·​Package"><a·​href="release_structu​re.​html#idm1402310078118​40">Creating·​a·​Release·​Package</​a></​li>
170 <li·​title="Directory·​Structure"><a·​href="release_structu​re.​html#idm1397214729029​12">Directory·​Structure</​a></​li> 170 <li·​title="Directory·​Structure"><a·​href="release_structu​re.​html#idm1402310077940​16">Directory·​Structure</​a></​li>
171 </​ul> 171 </​ul>
172 </​li> 172 </​li>
173 <li·​id="no"·​title="Release·​Handling"·​expanded="false">Rele​ase·​Handling<ul> 173 <li·​id="no"·​title="Release·​Handling"·​expanded="false">Rele​ase·​Handling<ul>
174 <li><a·​href="release_handlin​g.​html"> 174 <li><a·​href="release_handlin​g.​html">
175 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 175 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
176 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 176 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
177 <li·​title="Release·​Handling·​Principles"><a·​href="release_handlin​g.​html#idm1397214728725​44">Release·​Handling·​Principles</​a></​li> 177 <li·​title="Release·​Handling·​Principles"><a·​href="release_handlin​g.​html#idm1402310077636​48">Release·​Handling·​Principles</​a></​li>
178 <li·​title="Requirements">​<a·​href="release_handlin​g.​html#idm1397214728431​84">Requirements</​a></​li> 178 <li·​title="Requirements">​<a·​href="release_handlin​g.​html#idm1402310077342​88">Requirements</​a></​li>
179 <li·​title="Distributed·​Systems"><a·​href="release_handlin​g.​html#idm1397214728320​48">Distributed·​Systems</​a></​li> 179 <li·​title="Distributed·​Systems"><a·​href="release_handlin​g.​html#idm1402310077231​52">Distributed·​Systems</​a></​li>
180 <li·​title="Release·​Handling·​Instructions"><a·​href="release_handlin​g.​html#idm1397214728288​80">Release·​Handling·​Instructions</​a></​li> 180 <li·​title="Release·​Handling·​Instructions"><a·​href="release_handlin​g.​html#idm1402310077199​84">Release·​Handling·​Instructions</​a></​li>
181 <li·​title="Application·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1397214727656​64">Application·​Upgrade·​File</​a></​li> 181 <li·​title="Application·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1402310076567​68">Application·​Upgrade·​File</​a></​li>
182 <li·​title="Release·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1397214727438​24">Release·​Upgrade·​File</​a></​li> 182 <li·​title="Release·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1402310076349​28">Release·​Upgrade·​File</​a></​li>
183 <li·​title="Installing·​a·​Release"><a·​href="release_handlin​g.​html#idm1397214727250​88">Installing·​a·​Release</​a></​li> 183 <li·​title="Installing·​a·​Release"><a·​href="release_handlin​g.​html#idm1402310076161​92">Installing·​a·​Release</​a></​li>
184 <li·​title="Updating·​Application·​Specifications"><a·​href="release_handlin​g.​html#idm1397214726686​08">Updating·​Application·​Specifications</​a></​li> 184 <li·​title="Updating·​Application·​Specifications"><a·​href="release_handlin​g.​html#idm1402310075597​12">Updating·​Application·​Specifications</​a></​li>
185 </​ul> 185 </​ul>
186 </​li> 186 </​li>
187 <li·​id="no"·​title="Appup·​Cookbook"·​expanded="false">Appu​p·​Cookbook<ul> 187 <li·​id="no"·​title="Appup·​Cookbook"·​expanded="false">Appu​p·​Cookbook<ul>
188 <li><a·​href="appup_cookbook.​html"> 188 <li><a·​href="appup_cookbook.​html">
189 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 189 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
190 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 190 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
191 <li·​title="Changing·​a·​Functional·​Module"><a·​href="appup_cookbook.​html#idm1397214726465​28">Changing·​a·​Functional·​Module</​a></​li> 191 <li·​title="Changing·​a·​Functional·​Module"><a·​href="appup_cookbook.​html#idm1402310075376​32">Changing·​a·​Functional·​Module</​a></​li>
192 <li·​title="Changing·​a·​Residence·​Module"><a·​href="appup_cookbook.​html#idm1397214726437​92">Changing·​a·​Residence·​Module</​a></​li> 192 <li·​title="Changing·​a·​Residence·​Module"><a·​href="appup_cookbook.​html#idm1402310075348​96">Changing·​a·​Residence·​Module</​a></​li>
193 <li·​title="Changing·​a·​Callback·​Module"><a·​href="appup_cookbook.​html#idm1397214726391​36">Changing·​a·​Callback·​Module</​a></​li> 193 <li·​title="Changing·​a·​Callback·​Module"><a·​href="appup_cookbook.​html#idm1402310075302​40">Changing·​a·​Callback·​Module</​a></​li>
194 <li·​title="Changing·​Internal·​State"><a·​href="appup_cookbook.​html#idm1397214726330​08">Changing·​Internal·​State</​a></​li> 194 <li·​title="Changing·​Internal·​State"><a·​href="appup_cookbook.​html#idm1402310075241​12">Changing·​Internal·​State</​a></​li>
195 <li·​title="Module·​Dependencies"><a·​href="appup_cookbook.​html#idm1397214726168​64">Module·​Dependencies</​a></​li> 195 <li·​title="Module·​Dependencies"><a·​href="appup_cookbook.​html#idm1402310075079​68">Module·​Dependencies</​a></​li>
196 <li·​title="Changing·​Code·​For·​a·​Special·​Process"><a·​href="appup_cookbook.​html#idm1397214725963​84">Changing·​Code·​For·​a·​Special·​Process</​a></​li> 196 <li·​title="Changing·​Code·​For·​a·​Special·​Process"><a·​href="appup_cookbook.​html#idm1402310074874​88">Changing·​Code·​For·​a·​Special·​Process</​a></​li>
197 <li·​title="Changing·​a·​Supervisor"><a·​href="appup_cookbook.​html#idm1397214725763​68">Changing·​a·​Supervisor</​a></​li> 197 <li·​title="Changing·​a·​Supervisor"><a·​href="appup_cookbook.​html#idm1402310074674​72">Changing·​a·​Supervisor</​a></​li>
198 <li·​title="Adding·​or·​Deleting·​a·​Module"><a·​href="appup_cookbook.​html#idm1397214725468​64">Adding·​or·​Deleting·​a·​Module</​a></​li> 198 <li·​title="Adding·​or·​Deleting·​a·​Module"><a·​href="appup_cookbook.​html#idm1402310074379​68">Adding·​or·​Deleting·​a·​Module</​a></​li>
199 <li·​title="Starting·​or·​Terminating·​a·​Process"><a·​href="appup_cookbook.​html#idm1397214725438​24">Starting·​or·​Terminating·​a·​Process</​a></​li> 199 <li·​title="Starting·​or·​Terminating·​a·​Process"><a·​href="appup_cookbook.​html#idm1402310074349​28">Starting·​or·​Terminating·​a·​Process</​a></​li>
200 <li·​title="Adding·​or·​Removing·​an·​Application"><a·​href="appup_cookbook.​html#idm1397214725416​00">Adding·​or·​Removing·​an·​Application</​a></​li> 200 <li·​title="Adding·​or·​Removing·​an·​Application"><a·​href="appup_cookbook.​html#idm1402310074327​04">Adding·​or·​Removing·​an·​Application</​a></​li>
201 <li·​title="Restarting·​an·​Application"><a·​href="appup_cookbook.​html#idm1397214725379​20">Restarting·​an·​Application</​a></​li> 201 <li·​title="Restarting·​an·​Application"><a·​href="appup_cookbook.​html#idm1402310074290​24">Restarting·​an·​Application</​a></​li>
202 <li·​title="Changing·​an·​Application·​Specification"><a·​href="appup_cookbook.​html#idm1397214725328​64">Changing·​an·​Application·​Specification</​a></​li> 202 <li·​title="Changing·​an·​Application·​Specification"><a·​href="appup_cookbook.​html#idm1402310074239​68">Changing·​an·​Application·​Specification</​a></​li>
203 <li·​title="Changing·​Application·​Configuration"><a·​href="appup_cookbook.​html#idm1397214725300​00">Changing·​Application·​Configuration</​a></​li> 203 <li·​title="Changing·​Application·​Configuration"><a·​href="appup_cookbook.​html#idm1402310074211​04">Changing·​Application·​Configuration</​a></​li>
204 <li·​title="Changing·​Included·​Applications"><a·​href="appup_cookbook.​html#idm1397214725259​84">Changing·​Included·​Applications</​a></​li> 204 <li·​title="Changing·​Included·​Applications"><a·​href="appup_cookbook.​html#idm1402310074170​88">Changing·​Included·​Applications</​a></​li>
205 <li·​title="Changing·​Non-​Erlang·​Code"><a·​href="appup_cookbook.​html#idm1397214724972​00">Changing·​Non-​Erlang·​Code</​a></​li> 205 <li·​title="Changing·​Non-​Erlang·​Code"><a·​href="appup_cookbook.​html#idm1402310073883​04">Changing·​Non-​Erlang·​Code</​a></​li>
206 <li·​title="Emulator·​Restart·​and·​Upgrade"><a·​href="appup_cookbook.​html#idm1397214724870​56">Emulator·​Restart·​and·​Upgrade</​a></​li> 206 <li·​title="Emulator·​Restart·​and·​Upgrade"><a·​href="appup_cookbook.​html#idm1402310073781​60">Emulator·​Restart·​and·​Upgrade</​a></​li>
207 <li·​title="Emulator·​Upgrade·​from·​pre·​OTP·​R15"><a·​href="appup_cookbook.​html#idm1397214724778​72">Emulator·​Upgrade·​from·​pre·​OTP·​R15</​a></​li> 207 <li·​title="Emulator·​Upgrade·​from·​pre·​OTP·​R15"><a·​href="appup_cookbook.​html#idm1402310073689​76">Emulator·​Upgrade·​from·​pre·​OTP·​R15</​a></​li>
208 </​ul> 208 </​ul>
209 </​li> 209 </​li>
210 </​ul> 210 </​ul>
211 </​div></​div> 211 </​div></​div>
212 <div·​id="content"> 212 <div·​id="content">
213 <div·​class="innertube"> 213 <div·​class="innertube">
214 <h1>9 Distributed·​Applications</​h1> 214 <h1>9 Distributed·​Applications</​h1>
215 ·​·​ 215 ·​·​
   
216 ·​·​<h3><a·​name="idm139721473037​856">9.​1  216 ·​·​<h3><a·​name="idm140231007928​960">9.​1 
217 ·​·​·​·​·​·​·​·​Definition</​a></​h3> 217 ·​·​·​·​·​·​·​·​Definition</​a></​h3>
218 ·​·​·​·​ 218 ·​·​·​·​
219 ·​·​·​·​<p>In·​a·​distributed·​system·​with·​several·​Erlang·​nodes,​·​there·​may·​be 219 ·​·​·​·​<p>In·​a·​distributed·​system·​with·​several·​Erlang·​nodes,​·​there·​may·​be
220 ·​·​·​·​·​·​a·​need·​to·​control·​applications·​in·​a·​distributed·​manner.​·​If 220 ·​·​·​·​·​·​a·​need·​to·​control·​applications·​in·​a·​distributed·​manner.​·​If
221 ·​·​·​·​·​·​the·​node,​·​where·​a·​certain·​application·​is·​running,​·​goes·​down,​ 221 ·​·​·​·​·​·​the·​node,​·​where·​a·​certain·​application·​is·​running,​·​goes·​down,​
222 ·​·​·​·​·​·​the·​application·​should·​be·​restarted·​at·​another·​node.​</​p> 222 ·​·​·​·​·​·​the·​application·​should·​be·​restarted·​at·​another·​node.​</​p>
223 ·​·​·​·​<p>Such·​an·​application·​is·​called·​a·​<strong>distributed·​application</​strong>.​ 223 ·​·​·​·​<p>Such·​an·​application·​is·​called·​a·​<strong>distributed·​application</​strong>.​
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229 ·​·​·​·​·​·​addressing·​mechanism·​is·​required·​to·​ensure·​that·​it·​can·​be 229 ·​·​·​·​·​·​addressing·​mechanism·​is·​required·​to·​ensure·​that·​it·​can·​be
230 ·​·​·​·​·​·​addressed·​by·​other·​applications,​·​regardless·​on·​which·​node·​it 230 ·​·​·​·​·​·​addressed·​by·​other·​applications,​·​regardless·​on·​which·​node·​it
231 ·​·​·​·​·​·​currently·​executes.​·​This·​issue·​is·​not·​addressed·​here,​·​but·​the 231 ·​·​·​·​·​·​currently·​executes.​·​This·​issue·​is·​not·​addressed·​here,​·​but·​the
232 ·​·​·​·​·​·​Kernel·​module·​<span·​class="code">global</​span>·​or·​STDLIB·​module·​<span·​class="code">pg</​span>·​can·​be 232 ·​·​·​·​·​·​Kernel·​module·​<span·​class="code">global</​span>·​or·​STDLIB·​module·​<span·​class="code">pg</​span>·​can·​be
233 ·​·​·​·​·​·​used·​for·​this·​purpose.​</​p> 233 ·​·​·​·​·​·​used·​for·​this·​purpose.​</​p>
234 ·​·​ 234 ·​·​
   
235 ·​·​<h3><a·​name="idm139721473033​536">9.​2  235 ·​·​<h3><a·​name="idm140231007924​640">9.​2 
236 ·​·​·​·​·​·​·​·​Specifying·​Distributed·​Applications</​a></​h3> 236 ·​·​·​·​·​·​·​·​Specifying·​Distributed·​Applications</​a></​h3>
237 ·​·​·​·​ 237 ·​·​·​·​
238 ·​·​·​·​<p>Distributed·​applications·​are·​controlled·​by·​both·​the·​application 238 ·​·​·​·​<p>Distributed·​applications·​are·​controlled·​by·​both·​the·​application
239 ·​·​·​·​·​·​controller·​and·​a·​distributed·​application·​controller·​process,​ 239 ·​·​·​·​·​·​controller·​and·​a·​distributed·​application·​controller·​process,​
240 ·​·​·​·​·​·​<span·​class="code">dist_ac<​/​span>.​·​Both·​these·​processes·​are·​part·​of·​the·​<span·​class="code">kernel</​span> 240 ·​·​·​·​·​·​<span·​class="code">dist_ac<​/​span>.​·​Both·​these·​processes·​are·​part·​of·​the·​<span·​class="code">kernel</​span>
241 ·​·​·​·​·​·​application.​·​Therefore,​·​distributed·​applications·​are·​specified·​by 241 ·​·​·​·​·​·​application.​·​Therefore,​·​distributed·​applications·​are·​specified·​by
242 ·​·​·​·​·​·​configuring·​the·​<span·​class="code">kernel</​span>·​application,​·​using·​the·​following 242 ·​·​·​·​·​·​configuring·​the·​<span·​class="code">kernel</​span>·​application,​·​using·​the·​following
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299 ·​·​·​·​·​·​<p>All·​involved·​nodes·​must·​have·​the·​same·​value·​for 299 ·​·​·​·​·​·​<p>All·​involved·​nodes·​must·​have·​the·​same·​value·​for
300 ·​·​·​·​·​·​·​·​<span·​class="code">distribu​ted</​span>·​and·​<span·​class="code">sync_nod​es_timeout</​span>,​·​or 300 ·​·​·​·​·​·​·​·​<span·​class="code">distribu​ted</​span>·​and·​<span·​class="code">sync_nod​es_timeout</​span>,​·​or
301 ·​·​·​·​·​·​·​·​the·​behaviour·​of·​the·​system·​is·​undefined.​</​p> 301 ·​·​·​·​·​·​·​·​the·​behaviour·​of·​the·​system·​is·​undefined.​</​p>
302 ·​·​·​·​</​p></​div> 302 ·​·​·​·​</​p></​div>
303 </​div> 303 </​div>
304 ·​·​ 304 ·​·​
   
305 ·​·​<h3><a·​name="idm139721473008​768">9.​3  305 ·​·​<h3><a·​name="idm140231007899​872">9.​3 
306 ·​·​·​·​·​·​·​·​Starting·​and·​Stopping·​Distributed·​Applications</​a></​h3> 306 ·​·​·​·​·​·​·​·​Starting·​and·​Stopping·​Distributed·​Applications</​a></​h3>
307 ·​·​·​·​ 307 ·​·​·​·​
308 ·​·​·​·​<p>When·​all·​involved·​(mandatory)​·​nodes·​have·​been·​started,​ 308 ·​·​·​·​<p>When·​all·​involved·​(mandatory)​·​nodes·​have·​been·​started,​
309 ·​·​·​·​·​·​the·​distributed·​application·​can·​be·​started·​by·​calling 309 ·​·​·​·​·​·​the·​distributed·​application·​can·​be·​started·​by·​calling
310 ·​·​·​·​·​·​<span·​class="code">applicat​ion:​start(Application)​</​span>·​at·​<strong>all·​of·​these·​nodes.​</​strong></​p> 310 ·​·​·​·​·​·​<span·​class="code">applicat​ion:​start(Application)​</​span>·​at·​<strong>all·​of·​these·​nodes.​</​strong></​p>
311 ·​·​·​·​<p>It·​is·​of·​course·​also·​possible·​to·​use·​a·​boot·​script·​(see 311 ·​·​·​·​<p>It·​is·​of·​course·​also·​possible·​to·​use·​a·​boot·​script·​(see
312 ·​·​·​·​·​·​<span·​class="bold_code"><a·​href="release_structu​re.​html">Releases</​a></​span>)​·​which 312 ·​·​·​·​·​·​<span·​class="bold_code"><a·​href="release_structu​re.​html">Releases</​a></​span>)​·​which
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337 ·​·​·​·​·​·​·​·​  337 ·​·​·​·​·​·​·​·​ 
338 ·​·​·​·​·​·​·​·​Application·​myapp·​-​·​Situation·​1</​em> 338 ·​·​·​·​·​·​·​·​Application·​myapp·​-​·​Situation·​1</​em>
339 ·​·​·​·​ 339 ·​·​·​·​
340 ·​·​·​·​<p>Similarly,​·​the·​application·​must·​be·​stopped·​by·​calling 340 ·​·​·​·​<p>Similarly,​·​the·​application·​must·​be·​stopped·​by·​calling
341 ·​·​·​·​·​·​<span·​class="code">applicat​ion:​stop(Application)​</​span>·​at·​all·​involved·​nodes.​</​p> 341 ·​·​·​·​·​·​<span·​class="code">applicat​ion:​stop(Application)​</​span>·​at·​all·​involved·​nodes.​</​p>
342 ·​·​ 342 ·​·​
   
343 ·​·​<h3><a·​name="idm139721472996​528">9.​4  343 ·​·​<h3><a·​name="idm140231007887​632">9.​4 
344 ·​·​·​·​·​·​·​·​Failover</​a></​h3> 344 ·​·​·​·​·​·​·​·​Failover</​a></​h3>
345 ·​·​·​·​ 345 ·​·​·​·​
346 ·​·​·​·​<p>If·​the·​node·​where·​the·​application·​is·​running·​goes·​down,​ 346 ·​·​·​·​<p>If·​the·​node·​where·​the·​application·​is·​running·​goes·​down,​
347 ·​·​·​·​·​·​the·​application·​is·​restarted·​(after·​the·​specified·​timeout)​·​at 347 ·​·​·​·​·​·​the·​application·​is·​restarted·​(after·​the·​specified·​timeout)​·​at
348 ·​·​·​·​·​·​the·​first·​node,​·​specified·​by·​the·​<span·​class="code">distribu​ted</​span>·​configuration 348 ·​·​·​·​·​·​the·​first·​node,​·​specified·​by·​the·​<span·​class="code">distribu​ted</​span>·​configuration
349 ·​·​·​·​·​·​parameter,​·​which·​is·​up·​and·​running.​·​This·​is·​called·​a 349 ·​·​·​·​·​·​parameter,​·​which·​is·​up·​and·​running.​·​This·​is·​called·​a
350 ·​·​·​·​·​·​<strong>failover</​strong>.​</​p> 350 ·​·​·​·​·​·​<strong>failover</​strong>.​</​p>
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380 ·​·​·​·​·​·​<em>Figure 380 ·​·​·​·​·​·​<em>Figure
381 ·​·​·​·​·​·​·​·​9.​3:​ 381 ·​·​·​·​·​·​·​·​9.​3:​
382 ·​·​·​·​·​·​·​·​  382 ·​·​·​·​·​·​·​·​ 
383 ·​·​·​·​·​·​·​·​Application·​myapp·​-​·​Situation·​3</​em> 383 ·​·​·​·​·​·​·​·​Application·​myapp·​-​·​Situation·​3</​em>
384 ·​·​·​·​ 384 ·​·​·​·​
385 ·​·​ 385 ·​·​
   
386 ·​·​<h3><a·​name="idm139721472979​456">9.​5  386 ·​·​<h3><a·​name="idm140231007870​560">9.​5 
387 ·​·​·​·​·​·​·​·​Takeover</​a></​h3> 387 ·​·​·​·​·​·​·​·​Takeover</​a></​h3>
388 ·​·​·​·​ 388 ·​·​·​·​
389 ·​·​·​·​<p>If·​a·​node·​is·​started,​·​which·​has·​higher·​priority·​according 389 ·​·​·​·​<p>If·​a·​node·​is·​started,​·​which·​has·​higher·​priority·​according
390 ·​·​·​·​·​·​to·​<span·​class="code">distribu​ted</​span>,​·​than·​the·​node·​where·​a·​distributed 390 ·​·​·​·​·​·​to·​<span·​class="code">distribu​ted</​span>,​·​than·​the·​node·​where·​a·​distributed
391 ·​·​·​·​·​·​application·​is·​currently·​running,​·​the·​application·​will·​be 391 ·​·​·​·​·​·​application·​is·​currently·​running,​·​the·​application·​will·​be
392 ·​·​·​·​·​·​restarted·​at·​the·​new·​node·​and·​stopped·​at·​the·​old·​node.​·​This·​is 392 ·​·​·​·​·​·​restarted·​at·​the·​new·​node·​and·​stopped·​at·​the·​old·​node.​·​This·​is
393 ·​·​·​·​·​·​called·​a·​<strong>takeover</​strong>.​</​p> 393 ·​·​·​·​·​·​called·​a·​<strong>takeover</​strong>.​</​p>
./usr/share/doc/erlang-17.4/doc/design_principles/events.html
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47 <img·​alt="Erlang·​logo"·​src=".​.​/​erlang-​logo.​png"><br><small><a·​href="users_guide.​html">User's·​Guide</​a><br><a·​href=".​.​/​pdf/​otp-​system-​documentation-​6.​3.​pdf">PDF</​a><br><a·​href=".​.​/​index.​html">Top</​a></​small><p><strong>OTP·​Design·​Principles</​strong><br><strong>Us​er's·​Guide</​strong><br><small>Ver​sion·​6.​3</​small></​p> 47 <img·​alt="Erlang·​logo"·​src=".​.​/​erlang-​logo.​png"><br><small><a·​href="users_guide.​html">User's·​Guide</​a><br><a·​href=".​.​/​pdf/​otp-​system-​documentation-​6.​3.​pdf">PDF</​a><br><a·​href=".​.​/​index.​html">Top</​a></​small><p><strong>OTP·​Design·​Principles</​strong><br><strong>Us​er's·​Guide</​strong><br><small>Ver​sion·​6.​3</​small></​p>
48 <br><a·​href="javascript:​openAllFlips()​">Expand·​All</​a><br><a·​href="javascript:​closeAllFlips()​">Contract·​All</​a><p><small><strong>C​hapters</​strong></​small></​p> 48 <br><a·​href="javascript:​openAllFlips()​">Expand·​All</​a><br><a·​href="javascript:​closeAllFlips()​">Contract·​All</​a><p><small><strong>C​hapters</​strong></​small></​p>
49 <ul·​class="flipMenu"·​imagepath=".​.​/​js/​flipmenu"> 49 <ul·​class="flipMenu"·​imagepath=".​.​/​js/​flipmenu">
50 <li·​id="no"·​title="Overview"·​expanded="false">Over​view<ul> 50 <li·​id="no"·​title="Overview"·​expanded="false">Over​view<ul>
51 <li><a·​href="des_princ.​html"> 51 <li><a·​href="des_princ.​html">
52 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 52 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
53 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 53 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
54 <li·​title="Supervision·​Trees"><a·​href="des_princ.​html#idm1397214738212​96">Supervision·​Trees</​a></​li> 54 <li·​title="Supervision·​Trees"><a·​href="des_princ.​html#idm1402310086645​92">Supervision·​Trees</​a></​li>
55 <li·​title="Behaviours"><a​·​href="des_princ.​html#idm1397214738293​92">Behaviours</​a></​li> 55 <li·​title="Behaviours"><a​·​href="des_princ.​html#idm1402310086726​88">Behaviours</​a></​li>
56 <li·​title="Applications">​<a·​href="des_princ.​html#idm1397214738587​52">Applications</​a></​li> 56 <li·​title="Applications">​<a·​href="des_princ.​html#idm1402310087520​16">Applications</​a></​li>
57 <li·​title="Releases"><a·​href="des_princ.​html#idm1397214738637​44">Releases</​a></​li> 57 <li·​title="Releases"><a·​href="des_princ.​html#idm1402310087570​72">Releases</​a></​li>
58 <li·​title="Release·​Handling"><a·​href="des_princ.​html#idm1397214739808​96">Release·​Handling</​a></​li> 58 <li·​title="Release·​Handling"><a·​href="des_princ.​html#idm1402310087605​92">Release·​Handling</​a></​li>
59 </​ul> 59 </​ul>
60 </​li> 60 </​li>
61 <li·​id="no"·​title="Gen_Server·​Behaviour"·​expanded="false">Gen_​Server·​Behaviour<ul> 61 <li·​id="no"·​title="Gen_Server·​Behaviour"·​expanded="false">Gen_​Server·​Behaviour<ul>
62 <li><a·​href="gen_server_conc​epts.​html"> 62 <li><a·​href="gen_server_conc​epts.​html">
63 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 63 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
64 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 64 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
65 <li·​title="Client-​Server·​Principles"><a·​href="gen_server_conc​epts.​html#idm1397214739903​84">Client-​Server·​Principles</​a></​li> 65 <li·​title="Client-​Server·​Principles"><a·​href="gen_server_conc​epts.​html#idm1402310087701​28">Client-​Server·​Principles</​a></​li>
66 <li·​title="Example"><a·​href="gen_server_conc​epts.​html#idm1397214739937​92">Example</​a></​li> 66 <li·​title="Example"><a·​href="gen_server_conc​epts.​html#idm1402310086976​32">Example</​a></​li>
67 <li·​title="Starting·​a·​Gen_Server"><a·​href="gen_server_conc​epts.​html#idm1397214739981​60">Starting·​a·​Gen_Server</​a></​li> 67 <li·​title="Starting·​a·​Gen_Server"><a·​href="gen_server_conc​epts.​html#idm1402310087020​00">Starting·​a·​Gen_Server</​a></​li>
68 <li·​title="Synchronous·​Requests·​-​·​Call"><a·​href="gen_server_conc​epts.​html#idm1397214737669​92">Synchronous·​Requests·​-​·​Call</​a></​li> 68 <li·​title="Synchronous·​Requests·​-​·​Call"><a·​href="gen_server_conc​epts.​html#idm1402310087762​24">Synchronous·​Requests·​-​·​Call</​a></​li>
69 <li·​title="Asynchronous·​Requests·​-​·​Cast"><a·​href="gen_server_conc​epts.​html#idm1397214740228​64">Asynchronous·​Requests·​-​·​Cast</​a></​li> 69 <li·​title="Asynchronous·​Requests·​-​·​Cast"><a·​href="gen_server_conc​epts.​html#idm1402310087864​32">Asynchronous·​Requests·​-​·​Cast</​a></​li>
70 <li·​title="Stopping"><a·​href="gen_server_conc​epts.​html#idm1397214738923​52">Stopping</​a></​li> 70 <li·​title="Stopping"><a·​href="gen_server_conc​epts.​html#idm1402310090753​76">Stopping</​a></​li>
71 <li·​title="Handling·​Other·​Messages"><a·​href="gen_server_conc​epts.​html#idm1397214739025​12">Handling·​Other·​Messages</​a></​li> 71 <li·​title="Handling·​Other·​Messages"><a·​href="gen_server_conc​epts.​html#idm1402310086217​44">Handling·​Other·​Messages</​a></​li>
72 </​ul> 72 </​ul>
73 </​li> 73 </​li>
74 <li·​id="no"·​title="Gen_Fsm·​Behaviour"·​expanded="false">Gen_​Fsm·​Behaviour<ul> 74 <li·​id="no"·​title="Gen_Fsm·​Behaviour"·​expanded="false">Gen_​Fsm·​Behaviour<ul>
75 <li><a·​href="fsm.​html"> 75 <li><a·​href="fsm.​html">
76 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 76 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
77 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 77 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
78 <li·​title="Finite·​State·​Machines"><a·​href="fsm.​html#idm1397214739128​16">Finite·​State·​Machines</​a></​li> 78 <li·​title="Finite·​State·​Machines"><a·​href="fsm.​html#idm1402310090907​52">Finite·​State·​Machines</​a></​li>
79 <li·​title="Example"><a·​href="fsm.​html#idm1397214744873​28">Example</​a></​li> 79 <li·​title="Example"><a·​href="fsm.​html#idm1402310087992​48">Example</​a></​li>
80 <li·​title="Starting·​a·​Gen_Fsm"><a·​href="fsm.​html#idm1397214737307​36">Starting·​a·​Gen_Fsm</​a></​li> 80 <li·​title="Starting·​a·​Gen_Fsm"><a·​href="fsm.​html#idm1402310095516​00">Starting·​a·​Gen_Fsm</​a></​li>
81 <li·​title="Notifying·​About·​Events"><a·​href="fsm.​html#idm1397214737268​48">Notifying·​About·​Events</​a></​li> 81 <li·​title="Notifying·​About·​Events"><a·​href="fsm.​html#idm1402310091153​60">Notifying·​About·​Events</​a></​li>
82 <li·​title="Timeouts"><a·​href="fsm.​html#idm1397214745703​04">Timeouts</​a></​li> 82 <li·​title="Timeouts"><a·​href="fsm.​html#idm1402310098085​44">Timeouts</​a></​li>
83 <li·​title="All·​State·​Events"><a·​href="fsm.​html#idm1397214746614​08">All·​State·​Events</​a></​li> 83 <li·​title="All·​State·​Events"><a·​href="fsm.​html#idm1402310093031​52">All·​State·​Events</​a></​li>
84 <li·​title="Stopping"><a·​href="fsm.​html#idm1397214746854​40">Stopping</​a></​li> 84 <li·​title="Stopping"><a·​href="fsm.​html#idm1402310089129​76">Stopping</​a></​li>
85 <li·​title="Handling·​Other·​Messages"><a·​href="fsm.​html#idm1397214740112​00">Handling·​Other·​Messages</​a></​li> 85 <li·​title="Handling·​Other·​Messages"><a·​href="fsm.​html#idm1402310084326​88">Handling·​Other·​Messages</​a></​li>
86 </​ul> 86 </​ul>
87 </​li> 87 </​li>
88 <li·​id="loadscrollpos"·​title="Gen_Event·​Behaviour"·​expanded="true">Gen_E​vent·​Behaviour<ul> 88 <li·​id="loadscrollpos"·​title="Gen_Event·​Behaviour"·​expanded="true">Gen_E​vent·​Behaviour<ul>
89 <li><a·​href="events.​html"> 89 <li><a·​href="events.​html">
90 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 90 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
91 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 91 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
92 <li·​title="Event·​Handling·​Principles"><a·​href="events.​html#idm1397214751144​00">Event·​Handling·​Principles</​a></​li> 92 <li·​title="Event·​Handling·​Principles"><a·​href="events.​html#idm1402310091793​92">Event·​Handling·​Principles</​a></​li>
93 <li·​title="Example"><a·​href="events.​html#idm1397214738065​60">Example</​a></​li> 93 <li·​title="Example"><a·​href="events.​html#idm1402310084171​52">Example</​a></​li>
94 <li·​title="Starting·​an·​Event·​Manager"><a·​href="events.​html#idm1397214738025​44">Starting·​an·​Event·​Manager</​a></​li> 94 <li·​title="Starting·​an·​Event·​Manager"><a·​href="events.​html#idm1402310084131​36">Starting·​an·​Event·​Manager</​a></​li>
95 <li·​title="Adding·​an·​Event·​Handler"><a·​href="events.​html#idm1397214747192​64">Adding·​an·​Event·​Handler</​a></​li> 95 <li·​title="Adding·​an·​Event·​Handler"><a·​href="events.​html#idm1402310093887​52">Adding·​an·​Event·​Handler</​a></​li>
96 <li·​title="Notifying·​About·​Events"><a·​href="events.​html#idm1397214738881​76">Notifying·​About·​Events</​a></​li> 96 <li·​title="Notifying·​About·​Events"><a·​href="events.​html#idm1402310087285​12">Notifying·​About·​Events</​a></​li>
97 <li·​title="Deleting·​an·​Event·​Handler"><a·​href="events.​html#idm1397214738804​00">Deleting·​an·​Event·​Handler</​a></​li> 97 <li·​title="Deleting·​an·​Event·​Handler"><a·​href="events.​html#idm1402310087207​36">Deleting·​an·​Event·​Handler</​a></​li>
98 <li·​title="Stopping"><a·​href="events.​html#idm1397214738724​64">Stopping</​a></​li> 98 <li·​title="Stopping"><a·​href="events.​html#idm1402310086894​08">Stopping</​a></​li>
99 <li·​title="Handling·​Other·​Messages"><a·​href="events.​html#idm1397214738663​04">Handling·​Other·​Messages</​a></​li> 99 <li·​title="Handling·​Other·​Messages"><a·​href="events.​html#idm1402310086832​48">Handling·​Other·​Messages</​a></​li>
100 </​ul> 100 </​ul>
101 </​li> 101 </​li>
102 <li·​id="no"·​title="Supervisor·​Behaviour"·​expanded="false">Supe​rvisor·​Behaviour<ul> 102 <li·​id="no"·​title="Supervisor·​Behaviour"·​expanded="false">Supe​rvisor·​Behaviour<ul>
103 <li><a·​href="sup_princ.​html"> 103 <li><a·​href="sup_princ.​html">
104 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 104 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
105 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 105 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
106 <li·​title="Supervision·​Principles"><a·​href="sup_princ.​html#idm1397214734009​44">Supervision·​Principles</​a></​li> 106 <li·​title="Supervision·​Principles"><a·​href="sup_princ.​html#idm1402310082917​44">Supervision·​Principles</​a></​li>
107 <li·​title="Example"><a·​href="sup_princ.​html#idm1397214733982​56">Example</​a></​li> 107 <li·​title="Example"><a·​href="sup_princ.​html#idm1402310096825​28">Example</​a></​li>
108 <li·​title="Restart·​Strategy"><a·​href="sup_princ.​html#idm1397214733907​20">Restart·​Strategy</​a></​li> 108 <li·​title="Restart·​Strategy"><a·​href="sup_princ.​html#idm1402310096296​32">Restart·​Strategy</​a></​li>
109 <li·​title="Maximum·​Restart·​Frequency"><a·​href="sup_princ.​html#idm1397214733820​32">Maximum·​Restart·​Frequency</​a></​li> 109 <li·​title="Maximum·​Restart·​Frequency"><a·​href="sup_princ.​html#idm1402310088963​68">Maximum·​Restart·​Frequency</​a></​li>
110 <li·​title="Child·​Specification"><a·​href="sup_princ.​html#idm1397214741044​48">Child·​Specification</​a></​li> 110 <li·​title="Child·​Specification"><a·​href="sup_princ.​html#idm1402310082857​44">Child·​Specification</​a></​li>
111 <li·​title="Starting·​a·​Supervisor"><a·​href="sup_princ.​html#idm1397214733595​20">Starting·​a·​Supervisor</​a></​li> 111 <li·​title="Starting·​a·​Supervisor"><a·​href="sup_princ.​html#idm1402310082533​28">Starting·​a·​Supervisor</​a></​li>
112 <li·​title="Adding·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1397214733484​00">Adding·​a·​Child·​Process</​a></​li> 112 <li·​title="Adding·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1402310082422​08">Adding·​a·​Child·​Process</​a></​li>
113 <li·​title="Stopping·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1397214733440​16">Stopping·​a·​Child·​Process</​a></​li> 113 <li·​title="Stopping·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1402310082378​24">Stopping·​a·​Child·​Process</​a></​li>
114 <li·​title="Simple-​One-​For-​One·​Supervisors"><a·​href="sup_princ.​html#idm1397214733392​48">Simple-​One-​For-​One·​Supervisors</​a></​li> 114 <li·​title="Simple-​One-​For-​One·​Supervisors"><a·​href="sup_princ.​html#idm1402310082330​24">Simple-​One-​For-​One·​Supervisors</​a></​li>
115 <li·​title="Stopping"><a·​href="sup_princ.​html#idm1397214733269​76">Stopping</​a></​li> 115 <li·​title="Stopping"><a·​href="sup_princ.​html#idm1402310082180​80">Stopping</​a></​li>
116 </​ul> 116 </​ul>
117 </​li> 117 </​li>
118 <li·​id="no"·​title="Sys·​and·​Proc_Lib"·​expanded="false">Sys·​and·​Proc_Lib<ul> 118 <li·​id="no"·​title="Sys·​and·​Proc_Lib"·​expanded="false">Sys·​and·​Proc_Lib<ul>
119 <li><a·​href="spec_proc.​html"> 119 <li><a·​href="spec_proc.​html">
120 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 120 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
121 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 121 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
122 <li·​title="Simple·​Debugging"><a·​href="spec_proc.​html#idm1397214733152​80">Simple·​Debugging</​a></​li> 122 <li·​title="Simple·​Debugging"><a·​href="spec_proc.​html#idm1402310082063​84">Simple·​Debugging</​a></​li>
123 <li·​title="Special·​Processes"><a·​href="spec_proc.​html#idm1397214733051​52">Special·​Processes</​a></​li> 123 <li·​title="Special·​Processes"><a·​href="spec_proc.​html#idm1402310081962​56">Special·​Processes</​a></​li>
124 <li·​title="User-​Defined·​Behaviours"><a·​href="spec_proc.​html#idm1397214732279​04">User-​Defined·​Behaviours</​a></​li> 124 <li·​title="User-​Defined·​Behaviours"><a·​href="spec_proc.​html#idm1402310081190​08">User-​Defined·​Behaviours</​a></​li>
125 </​ul> 125 </​ul>
126 </​li> 126 </​li>
127 <li·​id="no"·​title="Applications"·​expanded="false">Appl​ications<ul> 127 <li·​id="no"·​title="Applications"·​expanded="false">Appl​ications<ul>
128 <li><a·​href="applications.​html"> 128 <li><a·​href="applications.​html">
129 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 129 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
130 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 130 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
131 <li·​title="Application·​Concept"><a·​href="applications.​html#idm1397214732041​60">Application·​Concept</​a></​li> 131 <li·​title="Application·​Concept"><a·​href="applications.​html#idm1402310080952​64">Application·​Concept</​a></​li>
132 <li·​title="Application·​Callback·​Module"><a·​href="applications.​html#idm1397214731961​12">Application·​Callback·​Module</​a></​li> 132 <li·​title="Application·​Callback·​Module"><a·​href="applications.​html#idm1402310080872​16">Application·​Callback·​Module</​a></​li>
133 <li·​title="Application·​Resource·​File"><a·​href="applications.​html#idm1397214731824​32">Application·​Resource·​File</​a></​li> 133 <li·​title="Application·​Resource·​File"><a·​href="applications.​html#idm1402310080735​36">Application·​Resource·​File</​a></​li>
134 <li·​title="Directory·​Structure"><a·​href="applications.​html#idm1397214731520​96">Directory·​Structure</​a></​li> 134 <li·​title="Directory·​Structure"><a·​href="applications.​html#idm1402310080432​00">Directory·​Structure</​a></​li>
135 <li·​title="Application·​Controller"><a·​href="applications.​html#idm1397214731369​60">Application·​Controller</​a></​li> 135 <li·​title="Application·​Controller"><a·​href="applications.​html#idm1402310080280​64">Application·​Controller</​a></​li>
136 <li·​title="Loading·​and·​Unloading·​Applications"><a·​href="applications.​html#idm1397214731330​24">Loading·​and·​Unloading·​Applications</​a></​li> 136 <li·​title="Loading·​and·​Unloading·​Applications"><a·​href="applications.​html#idm1402310080241​28">Loading·​and·​Unloading·​Applications</​a></​li>
137 <li·​title="Starting·​and·​Stopping·​Applications"><a·​href="applications.​html#idm1397214731255​68">Starting·​and·​Stopping·​Applications</​a></​li> 137 <li·​title="Starting·​and·​Stopping·​Applications"><a·​href="applications.​html#idm1402310080166​72">Starting·​and·​Stopping·​Applications</​a></​li>
138 <li·​title="Configuring·​an·​Application"><a·​href="applications.​html#idm1397214731150​56">Configuring·​an·​Application</​a></​li> 138 <li·​title="Configuring·​an·​Application"><a·​href="applications.​html#idm1402310080061​60">Configuring·​an·​Application</​a></​li>
139 <li·​title="Application·​Start·​Types"><a·​href="applications.​html#idm1397214730911​20">Application·​Start·​Types</​a></​li> 139 <li·​title="Application·​Start·​Types"><a·​href="applications.​html#idm1402310079822​24">Application·​Start·​Types</​a></​li>
140 </​ul> 140 </​ul>
141 </​li> 141 </​li>
142 <li·​id="no"·​title="Included·​Applications"·​expanded="false">Incl​uded·​Applications<ul> 142 <li·​id="no"·​title="Included·​Applications"·​expanded="false">Incl​uded·​Applications<ul>
143 <li><a·​href="included_applic​ations.​html"> 143 <li><a·​href="included_applic​ations.​html">
144 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 144 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
145 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 145 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
146 <li·​title="Definition"><a​·​href="included_applic​ations.​html#idm1397214730743​52">Definition</​a></​li> 146 <li·​title="Definition"><a​·​href="included_applic​ations.​html#idm1402310079654​56">Definition</​a></​li>
147 <li·​title="Specifying·​Included·​Applications"><a·​href="included_applic​ations.​html#idm1397214730664​96">Specifying·​Included·​Applications</​a></​li> 147 <li·​title="Specifying·​Included·​Applications"><a·​href="included_applic​ations.​html#idm1402310079576​00">Specifying·​Included·​Applications</​a></​li>
148 <li·​title="Synchronizing·​Processes·​During·​Startup"><a·​href="included_applic​ations.​html#idm1397214730634​56">Synchronizing·​Processes·​During·​Startup</​a></​li> 148 <li·​title="Synchronizing·​Processes·​During·​Startup"><a·​href="included_applic​ations.​html#idm1402310079545​60">Synchronizing·​Processes·​During·​Startup</​a></​li>
149 </​ul> 149 </​ul>
150 </​li> 150 </​li>
151 <li·​id="no"·​title="Distributed·​Applications"·​expanded="false">Dist​ributed·​Applications<ul> 151 <li·​id="no"·​title="Distributed·​Applications"·​expanded="false">Dist​ributed·​Applications<ul>
152 <li><a·​href="distributed_app​lications.​html"> 152 <li><a·​href="distributed_app​lications.​html">
153 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 153 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
154 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 154 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
155 <li·​title="Definition"><a​·​href="distributed_app​lications.​html#idm1397214730378​56">Definition</​a></​li> 155 <li·​title="Definition"><a​·​href="distributed_app​lications.​html#idm1402310079289​60">Definition</​a></​li>
156 <li·​title="Specifying·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1397214730335​36">Specifying·​Distributed·​Applications</​a></​li> 156 <li·​title="Specifying·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1402310079246​40">Specifying·​Distributed·​Applications</​a></​li>
157 <li·​title="Starting·​and·​Stopping·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1397214730087​68">Starting·​and·​Stopping·​Distributed·​Applications</​a></​li> 157 <li·​title="Starting·​and·​Stopping·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1402310078998​72">Starting·​and·​Stopping·​Distributed·​Applications</​a></​li>
158 <li·​title="Failover"><a·​href="distributed_app​lications.​html#idm1397214729965​28">Failover</​a></​li> 158 <li·​title="Failover"><a·​href="distributed_app​lications.​html#idm1402310078876​32">Failover</​a></​li>
159 <li·​title="Takeover"><a·​href="distributed_app​lications.​html#idm1397214729794​56">Takeover</​a></​li> 159 <li·​title="Takeover"><a·​href="distributed_app​lications.​html#idm1402310078705​60">Takeover</​a></​li>
160 </​ul> 160 </​ul>
161 </​li> 161 </​li>
162 <li·​id="no"·​title="Releases"·​expanded="false">Rele​ases<ul> 162 <li·​id="no"·​title="Releases"·​expanded="false">Rele​ases<ul>
163 <li><a·​href="release_structu​re.​html"> 163 <li><a·​href="release_structu​re.​html">
164 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 164 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
165 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 165 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
166 <li·​title="Release·​Concept"><a·​href="release_structu​re.​html#idm1397214729560​16">Release·​Concept</​a></​li> 166 <li·​title="Release·​Concept"><a·​href="release_structu​re.​html#idm1402310078471​20">Release·​Concept</​a></​li>
167 <li·​title="Release·​Resource·​File"><a·​href="release_structu​re.​html#idm1397214729497​12">Release·​Resource·​File</​a></​li> 167 <li·​title="Release·​Resource·​File"><a·​href="release_structu​re.​html#idm1402310078408​16">Release·​Resource·​File</​a></​li>
168 <li·​title="Generating·​Boot·​Scripts"><a·​href="release_structu​re.​html#idm1397214729320​00">Generating·​Boot·​Scripts</​a></​li> 168 <li·​title="Generating·​Boot·​Scripts"><a·​href="release_structu​re.​html#idm1402310078231​04">Generating·​Boot·​Scripts</​a></​li>
169 <li·​title="Creating·​a·​Release·​Package"><a·​href="release_structu​re.​html#idm1397214729207​36">Creating·​a·​Release·​Package</​a></​li> 169 <li·​title="Creating·​a·​Release·​Package"><a·​href="release_structu​re.​html#idm1402310078118​40">Creating·​a·​Release·​Package</​a></​li>
170 <li·​title="Directory·​Structure"><a·​href="release_structu​re.​html#idm1397214729029​12">Directory·​Structure</​a></​li> 170 <li·​title="Directory·​Structure"><a·​href="release_structu​re.​html#idm1402310077940​16">Directory·​Structure</​a></​li>
171 </​ul> 171 </​ul>
172 </​li> 172 </​li>
173 <li·​id="no"·​title="Release·​Handling"·​expanded="false">Rele​ase·​Handling<ul> 173 <li·​id="no"·​title="Release·​Handling"·​expanded="false">Rele​ase·​Handling<ul>
174 <li><a·​href="release_handlin​g.​html"> 174 <li><a·​href="release_handlin​g.​html">
175 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 175 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
176 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 176 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
177 <li·​title="Release·​Handling·​Principles"><a·​href="release_handlin​g.​html#idm1397214728725​44">Release·​Handling·​Principles</​a></​li> 177 <li·​title="Release·​Handling·​Principles"><a·​href="release_handlin​g.​html#idm1402310077636​48">Release·​Handling·​Principles</​a></​li>
178 <li·​title="Requirements">​<a·​href="release_handlin​g.​html#idm1397214728431​84">Requirements</​a></​li> 178 <li·​title="Requirements">​<a·​href="release_handlin​g.​html#idm1402310077342​88">Requirements</​a></​li>
179 <li·​title="Distributed·​Systems"><a·​href="release_handlin​g.​html#idm1397214728320​48">Distributed·​Systems</​a></​li> 179 <li·​title="Distributed·​Systems"><a·​href="release_handlin​g.​html#idm1402310077231​52">Distributed·​Systems</​a></​li>
180 <li·​title="Release·​Handling·​Instructions"><a·​href="release_handlin​g.​html#idm1397214728288​80">Release·​Handling·​Instructions</​a></​li> 180 <li·​title="Release·​Handling·​Instructions"><a·​href="release_handlin​g.​html#idm1402310077199​84">Release·​Handling·​Instructions</​a></​li>
181 <li·​title="Application·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1397214727656​64">Application·​Upgrade·​File</​a></​li> 181 <li·​title="Application·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1402310076567​68">Application·​Upgrade·​File</​a></​li>
182 <li·​title="Release·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1397214727438​24">Release·​Upgrade·​File</​a></​li> 182 <li·​title="Release·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1402310076349​28">Release·​Upgrade·​File</​a></​li>
183 <li·​title="Installing·​a·​Release"><a·​href="release_handlin​g.​html#idm1397214727250​88">Installing·​a·​Release</​a></​li> 183 <li·​title="Installing·​a·​Release"><a·​href="release_handlin​g.​html#idm1402310076161​92">Installing·​a·​Release</​a></​li>
184 <li·​title="Updating·​Application·​Specifications"><a·​href="release_handlin​g.​html#idm1397214726686​08">Updating·​Application·​Specifications</​a></​li> 184 <li·​title="Updating·​Application·​Specifications"><a·​href="release_handlin​g.​html#idm1402310075597​12">Updating·​Application·​Specifications</​a></​li>
185 </​ul> 185 </​ul>
186 </​li> 186 </​li>
187 <li·​id="no"·​title="Appup·​Cookbook"·​expanded="false">Appu​p·​Cookbook<ul> 187 <li·​id="no"·​title="Appup·​Cookbook"·​expanded="false">Appu​p·​Cookbook<ul>
188 <li><a·​href="appup_cookbook.​html"> 188 <li><a·​href="appup_cookbook.​html">
189 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 189 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
190 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 190 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
191 <li·​title="Changing·​a·​Functional·​Module"><a·​href="appup_cookbook.​html#idm1397214726465​28">Changing·​a·​Functional·​Module</​a></​li> 191 <li·​title="Changing·​a·​Functional·​Module"><a·​href="appup_cookbook.​html#idm1402310075376​32">Changing·​a·​Functional·​Module</​a></​li>
192 <li·​title="Changing·​a·​Residence·​Module"><a·​href="appup_cookbook.​html#idm1397214726437​92">Changing·​a·​Residence·​Module</​a></​li> 192 <li·​title="Changing·​a·​Residence·​Module"><a·​href="appup_cookbook.​html#idm1402310075348​96">Changing·​a·​Residence·​Module</​a></​li>
193 <li·​title="Changing·​a·​Callback·​Module"><a·​href="appup_cookbook.​html#idm1397214726391​36">Changing·​a·​Callback·​Module</​a></​li> 193 <li·​title="Changing·​a·​Callback·​Module"><a·​href="appup_cookbook.​html#idm1402310075302​40">Changing·​a·​Callback·​Module</​a></​li>
194 <li·​title="Changing·​Internal·​State"><a·​href="appup_cookbook.​html#idm1397214726330​08">Changing·​Internal·​State</​a></​li> 194 <li·​title="Changing·​Internal·​State"><a·​href="appup_cookbook.​html#idm1402310075241​12">Changing·​Internal·​State</​a></​li>
195 <li·​title="Module·​Dependencies"><a·​href="appup_cookbook.​html#idm1397214726168​64">Module·​Dependencies</​a></​li> 195 <li·​title="Module·​Dependencies"><a·​href="appup_cookbook.​html#idm1402310075079​68">Module·​Dependencies</​a></​li>
196 <li·​title="Changing·​Code·​For·​a·​Special·​Process"><a·​href="appup_cookbook.​html#idm1397214725963​84">Changing·​Code·​For·​a·​Special·​Process</​a></​li> 196 <li·​title="Changing·​Code·​For·​a·​Special·​Process"><a·​href="appup_cookbook.​html#idm1402310074874​88">Changing·​Code·​For·​a·​Special·​Process</​a></​li>
197 <li·​title="Changing·​a·​Supervisor"><a·​href="appup_cookbook.​html#idm1397214725763​68">Changing·​a·​Supervisor</​a></​li> 197 <li·​title="Changing·​a·​Supervisor"><a·​href="appup_cookbook.​html#idm1402310074674​72">Changing·​a·​Supervisor</​a></​li>
198 <li·​title="Adding·​or·​Deleting·​a·​Module"><a·​href="appup_cookbook.​html#idm1397214725468​64">Adding·​or·​Deleting·​a·​Module</​a></​li> 198 <li·​title="Adding·​or·​Deleting·​a·​Module"><a·​href="appup_cookbook.​html#idm1402310074379​68">Adding·​or·​Deleting·​a·​Module</​a></​li>
199 <li·​title="Starting·​or·​Terminating·​a·​Process"><a·​href="appup_cookbook.​html#idm1397214725438​24">Starting·​or·​Terminating·​a·​Process</​a></​li> 199 <li·​title="Starting·​or·​Terminating·​a·​Process"><a·​href="appup_cookbook.​html#idm1402310074349​28">Starting·​or·​Terminating·​a·​Process</​a></​li>
200 <li·​title="Adding·​or·​Removing·​an·​Application"><a·​href="appup_cookbook.​html#idm1397214725416​00">Adding·​or·​Removing·​an·​Application</​a></​li> 200 <li·​title="Adding·​or·​Removing·​an·​Application"><a·​href="appup_cookbook.​html#idm1402310074327​04">Adding·​or·​Removing·​an·​Application</​a></​li>
201 <li·​title="Restarting·​an·​Application"><a·​href="appup_cookbook.​html#idm1397214725379​20">Restarting·​an·​Application</​a></​li> 201 <li·​title="Restarting·​an·​Application"><a·​href="appup_cookbook.​html#idm1402310074290​24">Restarting·​an·​Application</​a></​li>
202 <li·​title="Changing·​an·​Application·​Specification"><a·​href="appup_cookbook.​html#idm1397214725328​64">Changing·​an·​Application·​Specification</​a></​li> 202 <li·​title="Changing·​an·​Application·​Specification"><a·​href="appup_cookbook.​html#idm1402310074239​68">Changing·​an·​Application·​Specification</​a></​li>
203 <li·​title="Changing·​Application·​Configuration"><a·​href="appup_cookbook.​html#idm1397214725300​00">Changing·​Application·​Configuration</​a></​li> 203 <li·​title="Changing·​Application·​Configuration"><a·​href="appup_cookbook.​html#idm1402310074211​04">Changing·​Application·​Configuration</​a></​li>
204 <li·​title="Changing·​Included·​Applications"><a·​href="appup_cookbook.​html#idm1397214725259​84">Changing·​Included·​Applications</​a></​li> 204 <li·​title="Changing·​Included·​Applications"><a·​href="appup_cookbook.​html#idm1402310074170​88">Changing·​Included·​Applications</​a></​li>
205 <li·​title="Changing·​Non-​Erlang·​Code"><a·​href="appup_cookbook.​html#idm1397214724972​00">Changing·​Non-​Erlang·​Code</​a></​li> 205 <li·​title="Changing·​Non-​Erlang·​Code"><a·​href="appup_cookbook.​html#idm1402310073883​04">Changing·​Non-​Erlang·​Code</​a></​li>
206 <li·​title="Emulator·​Restart·​and·​Upgrade"><a·​href="appup_cookbook.​html#idm1397214724870​56">Emulator·​Restart·​and·​Upgrade</​a></​li> 206 <li·​title="Emulator·​Restart·​and·​Upgrade"><a·​href="appup_cookbook.​html#idm1402310073781​60">Emulator·​Restart·​and·​Upgrade</​a></​li>
207 <li·​title="Emulator·​Upgrade·​from·​pre·​OTP·​R15"><a·​href="appup_cookbook.​html#idm1397214724778​72">Emulator·​Upgrade·​from·​pre·​OTP·​R15</​a></​li> 207 <li·​title="Emulator·​Upgrade·​from·​pre·​OTP·​R15"><a·​href="appup_cookbook.​html#idm1402310073689​76">Emulator·​Upgrade·​from·​pre·​OTP·​R15</​a></​li>
208 </​ul> 208 </​ul>
209 </​li> 209 </​li>
210 </​ul> 210 </​ul>
211 </​div></​div> 211 </​div></​div>
212 <div·​id="content"> 212 <div·​id="content">
213 <div·​class="innertube"> 213 <div·​class="innertube">
214 <h1>4 Gen_Event·​Behaviour</​h1> 214 <h1>4 Gen_Event·​Behaviour</​h1>
215 ·​·​ 215 ·​·​
216 ·​·​<a·​name="gen_event"></​a> 216 ·​·​<a·​name="gen_event"></​a>
217 ·​·​<p>This·​chapter·​should·​be·​read·​in·​conjunction·​with 217 ·​·​<p>This·​chapter·​should·​be·​read·​in·​conjunction·​with
218 ·​·​·​·​<span·​class="code">gen_even​t(3)​</​span>,​·​where·​all·​interface·​functions·​and·​callback 218 ·​·​·​·​<span·​class="code">gen_even​t(3)​</​span>,​·​where·​all·​interface·​functions·​and·​callback
219 ·​·​·​·​functions·​are·​described·​in·​detail.​</​p> 219 ·​·​·​·​functions·​are·​described·​in·​detail.​</​p>
   
220 ·​·​<h3><a·​name="idm139721475114​400">4.​1  220 ·​·​<h3><a·​name="idm140231009179​392">4.​1 
221 ·​·​·​·​·​·​·​·​Event·​Handling·​Principles</​a></​h3> 221 ·​·​·​·​·​·​·​·​Event·​Handling·​Principles</​a></​h3>
222 ·​·​·​·​ 222 ·​·​·​·​
223 ·​·​·​·​<p>In·​OTP,​·​an·​<strong>event·​manager</​strong>·​is·​a·​named·​object·​to·​which 223 ·​·​·​·​<p>In·​OTP,​·​an·​<strong>event·​manager</​strong>·​is·​a·​named·​object·​to·​which
224 ·​·​·​·​·​·​events·​can·​be·​sent.​·​An·​<strong>event</​strong>·​could·​be,​·​for·​example,​ 224 ·​·​·​·​·​·​events·​can·​be·​sent.​·​An·​<strong>event</​strong>·​could·​be,​·​for·​example,​
225 ·​·​·​·​·​·​an·​error,​·​an·​alarm·​or·​some·​information·​that·​should·​be·​logged.​</​p> 225 ·​·​·​·​·​·​an·​error,​·​an·​alarm·​or·​some·​information·​that·​should·​be·​logged.​</​p>
226 ·​·​·​·​<p>In·​the·​event·​manager,​·​zero,​·​one·​or·​several·​<strong>event·​handlers</​strong>·​are·​installed.​·​When·​the·​event·​manager·​is·​notified 226 ·​·​·​·​<p>In·​the·​event·​manager,​·​zero,​·​one·​or·​several·​<strong>event·​handlers</​strong>·​are·​installed.​·​When·​the·​event·​manager·​is·​notified
227 ·​·​·​·​·​·​about·​an·​event,​·​the·​event·​will·​be·​processed·​by·​all·​the·​installed 227 ·​·​·​·​·​·​about·​an·​event,​·​the·​event·​will·​be·​processed·​by·​all·​the·​installed
Offset 236, 15 lines modified Offset 236, 15 lines modified
236 ·​·​·​·​·​·​handler·​is·​implemented·​as·​a·​callback·​module.​</​p> 236 ·​·​·​·​·​·​handler·​is·​implemented·​as·​a·​callback·​module.​</​p>
237 ·​·​·​·​<p>The·​event·​manager·​essentially·​maintains·​a·​list·​of 237 ·​·​·​·​<p>The·​event·​manager·​essentially·​maintains·​a·​list·​of
238 ·​·​·​·​·​·​<span·​class="code">{Module,​·​State}</​span>·​pairs,​·​where·​each·​<span·​class="code">Module</​span>·​is·​an 238 ·​·​·​·​·​·​<span·​class="code">{Module,​·​State}</​span>·​pairs,​·​where·​each·​<span·​class="code">Module</​span>·​is·​an
239 ·​·​·​·​·​·​event·​handler,​·​and·​<span·​class="code">State</​span>·​the·​internal·​state·​of·​that·​event 239 ·​·​·​·​·​·​event·​handler,​·​and·​<span·​class="code">State</​span>·​the·​internal·​state·​of·​that·​event
240 ·​·​·​·​·​·​handler.​</​p> 240 ·​·​·​·​·​·​handler.​</​p>
241 ·​·​ 241 ·​·​
   
242 ·​·​<h3><a·​name="idm139721473806​560">4.​2  242 ·​·​<h3><a·​name="idm140231008417​152">4.​2 
243 ·​·​·​·​·​·​·​·​Example</​a></​h3> 243 ·​·​·​·​·​·​·​·​Example</​a></​h3>
244 ·​·​·​·​ 244 ·​·​·​·​
245 ·​·​·​·​<p>The·​callback·​module·​for·​the·​event·​handler·​writing·​error·​messages 245 ·​·​·​·​<p>The·​callback·​module·​for·​the·​event·​handler·​writing·​error·​messages
246 ·​·​·​·​·​·​to·​the·​terminal·​could·​look·​like:​</​p> 246 ·​·​·​·​·​·​to·​the·​terminal·​could·​look·​like:​</​p>
247 ·​·​·​·​<div·​class="example"><pre>​ 247 ·​·​·​·​<div·​class="example"><pre>​
248 -​module(terminal_logge​r)​.​ 248 -​module(terminal_logge​r)​.​
249 -​behaviour(gen_event)​.​ 249 -​behaviour(gen_event)​.​
Offset 277, 15 lines modified Offset 277, 15 lines modified
277 ·​·​·​·​{ok,​·​Fd}.​ 277 ·​·​·​·​{ok,​·​Fd}.​
   
278 terminate(_Args,​·​Fd)​·​-​&gt;​ 278 terminate(_Args,​·​Fd)​·​-​&gt;​
279 ·​·​·​·​file:​close(Fd)​.​</​pre></​div> 279 ·​·​·​·​file:​close(Fd)​.​</​pre></​div>
280 ·​·​·​·​<p>The·​code·​is·​explained·​in·​the·​next·​sections.​</​p> 280 ·​·​·​·​<p>The·​code·​is·​explained·​in·​the·​next·​sections.​</​p>
281 ·​·​ 281 ·​·​
   
282 ·​·​<h3><a·​name="idm139721473802​544">4.​3  282 ·​·​<h3><a·​name="idm140231008413​136">4.​3 
283 ·​·​·​·​·​·​·​·​Starting·​an·​Event·​Manager</​a></​h3> 283 ·​·​·​·​·​·​·​·​Starting·​an·​Event·​Manager</​a></​h3>
284 ·​·​·​·​<a·​name="mgr"></​a> 284 ·​·​·​·​<a·​name="mgr"></​a>
285 ·​·​·​·​ 285 ·​·​·​·​
286 ·​·​·​·​<p>To·​start·​an·​event·​manager·​for·​handling·​errors,​·​as·​described·​in 286 ·​·​·​·​<p>To·​start·​an·​event·​manager·​for·​handling·​errors,​·​as·​described·​in
287 ·​·​·​·​·​·​the·​example·​above,​·​call·​the·​following·​function:​</​p> 287 ·​·​·​·​·​·​the·​example·​above,​·​call·​the·​following·​function:​</​p>
288 ·​·​·​·​<div·​class="example"><pre>​ 288 ·​·​·​·​<div·​class="example"><pre>​
289 gen_event:​start_link({local,​·​error_man})​</​pre></​div> 289 gen_event:​start_link({local,​·​error_man})​</​pre></​div>
Offset 301, 15 lines modified Offset 301, 15 lines modified
301 ·​·​·​·​<p><span·​class="code">gen_even​t:​start_link</​span>·​must·​be·​used·​if·​the·​event·​manager·​is 301 ·​·​·​·​<p><span·​class="code">gen_even​t:​start_link</​span>·​must·​be·​used·​if·​the·​event·​manager·​is
302 ·​·​·​·​·​·​part·​of·​a·​supervision·​tree,​·​i.​e.​·​is·​started·​by·​a·​supervisor.​ 302 ·​·​·​·​·​·​part·​of·​a·​supervision·​tree,​·​i.​e.​·​is·​started·​by·​a·​supervisor.​
303 ·​·​·​·​·​·​There·​is·​another·​function·​<span·​class="code">gen_even​t:​start</​span>·​to·​start·​a 303 ·​·​·​·​·​·​There·​is·​another·​function·​<span·​class="code">gen_even​t:​start</​span>·​to·​start·​a
304 ·​·​·​·​·​·​stand-​alone·​event·​manager,​·​i.​e.​·​an·​event·​manager·​which·​is·​not 304 ·​·​·​·​·​·​stand-​alone·​event·​manager,​·​i.​e.​·​an·​event·​manager·​which·​is·​not
305 ·​·​·​·​·​·​part·​of·​a·​supervision·​tree.​</​p> 305 ·​·​·​·​·​·​part·​of·​a·​supervision·​tree.​</​p>
306 ·​·​ 306 ·​·​
   
307 ·​·​<h3><a·​name="idm139721474719​264">4.​4  307 ·​·​<h3><a·​name="idm140231009388​752">4.​4 
308 ·​·​·​·​·​·​·​·​Adding·​an·​Event·​Handler</​a></​h3> 308 ·​·​·​·​·​·​·​·​Adding·​an·​Event·​Handler</​a></​h3>
309 ·​·​·​·​ 309 ·​·​·​·​
310 ·​·​·​·​<p>Here·​is·​an·​example·​using·​the·​shell·​on·​how·​to·​start·​an·​event 310 ·​·​·​·​<p>Here·​is·​an·​example·​using·​the·​shell·​on·​how·​to·​start·​an·​event
311 ·​·​·​·​·​·​manager·​and·​add·​an·​event·​handler·​to·​it:​</​p> 311 ·​·​·​·​·​·​manager·​and·​add·​an·​event·​handler·​to·​it:​</​p>
312 ·​·​·​·​<div·​class="example"><pre>​ 312 ·​·​·​·​<div·​class="example"><pre>​
313 1&gt;​·​<span·​class="bold_code">gen​_event:​start({local,​·​error_man})​.​</​span> 313 1&gt;​·​<span·​class="bold_code">gen​_event:​start({local,​·​error_man})​.​</​span>
314 {ok,​&lt;​0.​31.​0&gt;​} 314 {ok,​&lt;​0.​31.​0&gt;​}
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331 ·​·​·​·​·​·​to·​save·​the·​open·​file·​descriptor.​</​p> 331 ·​·​·​·​·​·​to·​save·​the·​open·​file·​descriptor.​</​p>
332 ·​·​·​·​<div·​class="example"><pre>​ 332 ·​·​·​·​<div·​class="example"><pre>​
333 init(File)​·​-​&gt;​ 333 init(File)​·​-​&gt;​
334 ·​·​·​·​{ok,​·​Fd}·​=·​file:​open(File,​·​read)​,​ 334 ·​·​·​·​{ok,​·​Fd}·​=·​file:​open(File,​·​read)​,​
335 ·​·​·​·​{ok,​·​Fd}.​</​pre></​div> 335 ·​·​·​·​{ok,​·​Fd}.​</​pre></​div>
336 ·​·​ 336 ·​·​
   
337 ·​·​<h3><a·​name="idm139721473888​176">4.​5  337 ·​·​<h3><a·​name="idm140231008728​512">4.​5 
338 ·​·​·​·​·​·​·​·​Notifying·​About·​Events</​a></​h3> 338 ·​·​·​·​·​·​·​·​Notifying·​About·​Events</​a></​h3>
339 ·​·​·​·​ 339 ·​·​·​·​
340 ·​·​·​·​<div·​class="example"><pre>​ 340 ·​·​·​·​<div·​class="example"><pre>​
341 3&gt;​·​<span·​class="bold_code">gen​_event:​notify(error_man,​·​no_reply)​.​</​span> 341 3&gt;​·​<span·​class="bold_code">gen​_event:​notify(error_man,​·​no_reply)​.​</​span>
342 ***Error***·​no_reply 342 ***Error***·​no_reply
343 ok</​pre></​div> 343 ok</​pre></​div>
344 ·​·​·​·​<p><span·​class="code">error_ma​n</​span>·​is·​the·​name·​of·​the·​event·​manager·​and 344 ·​·​·​·​<p><span·​class="code">error_ma​n</​span>·​is·​the·​name·​of·​the·​event·​manager·​and
Offset 358, 15 lines modified Offset 358, 15 lines modified
358 ·​·​·​·​<p>In·​<span·​class="code">file_log​ger</​span>:​</​p> 358 ·​·​·​·​<p>In·​<span·​class="code">file_log​ger</​span>:​</​p>
359 ·​·​·​·​<div·​class="example"><pre>​ 359 ·​·​·​·​<div·​class="example"><pre>​
360 handle_event(ErrorMsg​,​·​Fd)​·​-​&gt;​ 360 handle_event(ErrorMsg​,​·​Fd)​·​-​&gt;​
361 ·​·​·​·​io:​format(Fd,​·​"***Error***·​~p~n",​·​[ErrorMsg])​,​ 361 ·​·​·​·​io:​format(Fd,​·​"***Error***·​~p~n",​·​[ErrorMsg])​,​
362 ·​·​·​·​{ok,​·​Fd}.​</​pre></​div> 362 ·​·​·​·​{ok,​·​Fd}.​</​pre></​div>
363 ·​·​ 363 ·​·​
   
364 ·​·​<h3><a·​name="idm139721473880​400">4.​6  364 ·​·​<h3><a·​name="idm140231008720​736">4.​6 
365 ·​·​·​·​·​·​·​·​Deleting·​an·​Event·​Handler</​a></​h3> 365 ·​·​·​·​·​·​·​·​Deleting·​an·​Event·​Handler</​a></​h3>
366 ·​·​·​·​ 366 ·​·​·​·​
367 ·​·​·​·​<div·​class="example"><pre>​ 367 ·​·​·​·​<div·​class="example"><pre>​
368 4&gt;​·​<span·​class="bold_code">gen​_event:​delete_handler(error_​man,​·​terminal_logger,​·​[])​.​</​span> 368 4&gt;​·​<span·​class="bold_code">gen​_event:​delete_handler(error_​man,​·​terminal_logger,​·​[])​.​</​span>
369 ok</​pre></​div> 369 ok</​pre></​div>
370 ·​·​·​·​<p>This·​function·​sends·​a·​message·​to·​the·​event·​manager·​registered·​as 370 ·​·​·​·​<p>This·​function·​sends·​a·​message·​to·​the·​event·​manager·​registered·​as
371 ·​·​·​·​·​·​<span·​class="code">error_ma​n</​span>,​·​telling·​it·​to·​delete·​the·​event·​handler 371 ·​·​·​·​·​·​<span·​class="code">error_ma​n</​span>,​·​telling·​it·​to·​delete·​the·​event·​handler
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382 ·​·​·​·​<p>For·​<span·​class="code">file_log​ger</​span>,​·​the·​file·​descriptor·​opened·​in·​<span·​class="code">init</​span> 382 ·​·​·​·​<p>For·​<span·​class="code">file_log​ger</​span>,​·​the·​file·​descriptor·​opened·​in·​<span·​class="code">init</​span>
383 ·​·​·​·​·​·​needs·​to·​be·​closed:​</​p> 383 ·​·​·​·​·​·​needs·​to·​be·​closed:​</​p>
384 ·​·​·​·​<div·​class="example"><pre>​ 384 ·​·​·​·​<div·​class="example"><pre>​
385 terminate(_Args,​·​Fd)​·​-​&gt;​ 385 terminate(_Args,​·​Fd)​·​-​&gt;​
386 ·​·​·​·​file:​close(Fd)​.​</​pre></​div> 386 ·​·​·​·​file:​close(Fd)​.​</​pre></​div>
387 ·​·​ 387 ·​·​
   
388 ·​·​<h3><a·​name="idm139721473872​464">4.​7  388 ·​·​<h3><a·​name="idm140231008689​408">4.​7 
389 ·​·​·​·​·​·​·​·​Stopping</​a></​h3> 389 ·​·​·​·​·​·​·​·​Stopping</​a></​h3>
390 ·​·​·​·​ 390 ·​·​·​·​
391 ·​·​·​·​<p>When·​an·​event·​manager·​is·​stopped,​·​it·​will·​give·​each·​of 391 ·​·​·​·​<p>When·​an·​event·​manager·​is·​stopped,​·​it·​will·​give·​each·​of
392 ·​·​·​·​·​·​the·​installed·​event·​handlers·​the·​chance·​to·​clean·​up·​by·​calling 392 ·​·​·​·​·​·​the·​installed·​event·​handlers·​the·​chance·​to·​clean·​up·​by·​calling
393 ·​·​·​·​·​·​<span·​class="code">terminat​e/​2</​span>,​·​the·​same·​way·​as·​when·​deleting·​a·​handler.​</​p> 393 ·​·​·​·​·​·​<span·​class="code">terminat​e/​2</​span>,​·​the·​same·​way·​as·​when·​deleting·​a·​handler.​</​p>
   
394 ·​·​·​·​<h4>In·​a·​Supervision·​Tree</​h4> 394 ·​·​·​·​<h4>In·​a·​Supervision·​Tree</​h4>
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405 ·​·​·​·​·​·​ 405 ·​·​·​·​·​·​
406 ·​·​·​·​·​·​<p>An·​event·​manager·​can·​also·​be·​stopped·​by·​calling:​</​p> 406 ·​·​·​·​·​·​<p>An·​event·​manager·​can·​also·​be·​stopped·​by·​calling:​</​p>
407 ·​·​·​·​·​·​<div·​class="example"><pre>​ 407 ·​·​·​·​·​·​<div·​class="example"><pre>​
408 &gt;​·​<span·​class="bold_code">gen​_event:​stop(error_man)​.​</​span> 408 &gt;​·​<span·​class="bold_code">gen​_event:​stop(error_man)​.​</​span>
409 ok</​pre></​div> 409 ok</​pre></​div>
410 ·​·​·​·​ 410 ·​·​·​·​
411 ·​·​ 411 ·​·​
412 ·​·​<h3><a·​name="idm139721473866​304">4.​8  412 ·​·​<h3><a·​name="idm140231008683​248">4.​8 
413 ·​·​·​·​·​·​·​·​Handling·​Other·​Messages</​a></​h3> 413 ·​·​·​·​·​·​·​·​Handling·​Other·​Messages</​a></​h3>
414 ·​·​·​·​ 414 ·​·​·​·​
415 ·​·​·​·​<p>If·​the·​gen_event·​should·​be·​able·​to·​receive·​other·​messages·​than 415 ·​·​·​·​<p>If·​the·​gen_event·​should·​be·​able·​to·​receive·​other·​messages·​than
416 ·​·​·​·​·​·​events,​·​the·​callback·​function·​<span·​class="code">handle_i​nfo(Info,​·​StateName,​·​StateData)​</​span> 416 ·​·​·​·​·​·​events,​·​the·​callback·​function·​<span·​class="code">handle_i​nfo(Info,​·​StateName,​·​StateData)​</​span>
417 ·​·​·​·​·​·​must·​be·​implemented·​to·​handle·​them.​·​Examples·​of 417 ·​·​·​·​·​·​must·​be·​implemented·​to·​handle·​them.​·​Examples·​of
418 ·​·​·​·​·​·​other·​messages·​are·​exit·​messages,​·​if·​the·​gen_event·​is·​linked·​to 418 ·​·​·​·​·​·​other·​messages·​are·​exit·​messages,​·​if·​the·​gen_event·​is·​linked·​to
419 ·​·​·​·​·​·​other·​processes·​(than·​the·​supervisor)​·​and·​trapping·​exit·​signals.​</​p> 419 ·​·​·​·​·​·​other·​processes·​(than·​the·​supervisor)​·​and·​trapping·​exit·​signals.​</​p>
./usr/share/doc/erlang-17.4/doc/design_principles/fsm.html
Offset 47, 181 lines modified Offset 47, 181 lines modified
47 <img·​alt="Erlang·​logo"·​src=".​.​/​erlang-​logo.​png"><br><small><a·​href="users_guide.​html">User's·​Guide</​a><br><a·​href=".​.​/​pdf/​otp-​system-​documentation-​6.​3.​pdf">PDF</​a><br><a·​href=".​.​/​index.​html">Top</​a></​small><p><strong>OTP·​Design·​Principles</​strong><br><strong>Us​er's·​Guide</​strong><br><small>Ver​sion·​6.​3</​small></​p> 47 <img·​alt="Erlang·​logo"·​src=".​.​/​erlang-​logo.​png"><br><small><a·​href="users_guide.​html">User's·​Guide</​a><br><a·​href=".​.​/​pdf/​otp-​system-​documentation-​6.​3.​pdf">PDF</​a><br><a·​href=".​.​/​index.​html">Top</​a></​small><p><strong>OTP·​Design·​Principles</​strong><br><strong>Us​er's·​Guide</​strong><br><small>Ver​sion·​6.​3</​small></​p>
48 <br><a·​href="javascript:​openAllFlips()​">Expand·​All</​a><br><a·​href="javascript:​closeAllFlips()​">Contract·​All</​a><p><small><strong>C​hapters</​strong></​small></​p> 48 <br><a·​href="javascript:​openAllFlips()​">Expand·​All</​a><br><a·​href="javascript:​closeAllFlips()​">Contract·​All</​a><p><small><strong>C​hapters</​strong></​small></​p>
49 <ul·​class="flipMenu"·​imagepath=".​.​/​js/​flipmenu"> 49 <ul·​class="flipMenu"·​imagepath=".​.​/​js/​flipmenu">
50 <li·​id="no"·​title="Overview"·​expanded="false">Over​view<ul> 50 <li·​id="no"·​title="Overview"·​expanded="false">Over​view<ul>
51 <li><a·​href="des_princ.​html"> 51 <li><a·​href="des_princ.​html">
52 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 52 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
53 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 53 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
54 <li·​title="Supervision·​Trees"><a·​href="des_princ.​html#idm1397214738212​96">Supervision·​Trees</​a></​li> 54 <li·​title="Supervision·​Trees"><a·​href="des_princ.​html#idm1402310086645​92">Supervision·​Trees</​a></​li>
55 <li·​title="Behaviours"><a​·​href="des_princ.​html#idm1397214738293​92">Behaviours</​a></​li> 55 <li·​title="Behaviours"><a​·​href="des_princ.​html#idm1402310086726​88">Behaviours</​a></​li>
56 <li·​title="Applications">​<a·​href="des_princ.​html#idm1397214738587​52">Applications</​a></​li> 56 <li·​title="Applications">​<a·​href="des_princ.​html#idm1402310087520​16">Applications</​a></​li>
57 <li·​title="Releases"><a·​href="des_princ.​html#idm1397214738637​44">Releases</​a></​li> 57 <li·​title="Releases"><a·​href="des_princ.​html#idm1402310087570​72">Releases</​a></​li>
58 <li·​title="Release·​Handling"><a·​href="des_princ.​html#idm1397214739808​96">Release·​Handling</​a></​li> 58 <li·​title="Release·​Handling"><a·​href="des_princ.​html#idm1402310087605​92">Release·​Handling</​a></​li>
59 </​ul> 59 </​ul>
60 </​li> 60 </​li>
61 <li·​id="no"·​title="Gen_Server·​Behaviour"·​expanded="false">Gen_​Server·​Behaviour<ul> 61 <li·​id="no"·​title="Gen_Server·​Behaviour"·​expanded="false">Gen_​Server·​Behaviour<ul>
62 <li><a·​href="gen_server_conc​epts.​html"> 62 <li><a·​href="gen_server_conc​epts.​html">
63 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 63 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
64 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 64 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
65 <li·​title="Client-​Server·​Principles"><a·​href="gen_server_conc​epts.​html#idm1397214739903​84">Client-​Server·​Principles</​a></​li> 65 <li·​title="Client-​Server·​Principles"><a·​href="gen_server_conc​epts.​html#idm1402310087701​28">Client-​Server·​Principles</​a></​li>
66 <li·​title="Example"><a·​href="gen_server_conc​epts.​html#idm1397214739937​92">Example</​a></​li> 66 <li·​title="Example"><a·​href="gen_server_conc​epts.​html#idm1402310086976​32">Example</​a></​li>
67 <li·​title="Starting·​a·​Gen_Server"><a·​href="gen_server_conc​epts.​html#idm1397214739981​60">Starting·​a·​Gen_Server</​a></​li> 67 <li·​title="Starting·​a·​Gen_Server"><a·​href="gen_server_conc​epts.​html#idm1402310087020​00">Starting·​a·​Gen_Server</​a></​li>
68 <li·​title="Synchronous·​Requests·​-​·​Call"><a·​href="gen_server_conc​epts.​html#idm1397214737669​92">Synchronous·​Requests·​-​·​Call</​a></​li> 68 <li·​title="Synchronous·​Requests·​-​·​Call"><a·​href="gen_server_conc​epts.​html#idm1402310087762​24">Synchronous·​Requests·​-​·​Call</​a></​li>
69 <li·​title="Asynchronous·​Requests·​-​·​Cast"><a·​href="gen_server_conc​epts.​html#idm1397214740228​64">Asynchronous·​Requests·​-​·​Cast</​a></​li> 69 <li·​title="Asynchronous·​Requests·​-​·​Cast"><a·​href="gen_server_conc​epts.​html#idm1402310087864​32">Asynchronous·​Requests·​-​·​Cast</​a></​li>
70 <li·​title="Stopping"><a·​href="gen_server_conc​epts.​html#idm1397214738923​52">Stopping</​a></​li> 70 <li·​title="Stopping"><a·​href="gen_server_conc​epts.​html#idm1402310090753​76">Stopping</​a></​li>
71 <li·​title="Handling·​Other·​Messages"><a·​href="gen_server_conc​epts.​html#idm1397214739025​12">Handling·​Other·​Messages</​a></​li> 71 <li·​title="Handling·​Other·​Messages"><a·​href="gen_server_conc​epts.​html#idm1402310086217​44">Handling·​Other·​Messages</​a></​li>
72 </​ul> 72 </​ul>
73 </​li> 73 </​li>
74 <li·​id="loadscrollpos"·​title="Gen_Fsm·​Behaviour"·​expanded="true">Gen_F​sm·​Behaviour<ul> 74 <li·​id="loadscrollpos"·​title="Gen_Fsm·​Behaviour"·​expanded="true">Gen_F​sm·​Behaviour<ul>
75 <li><a·​href="fsm.​html"> 75 <li><a·​href="fsm.​html">
76 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 76 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
77 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 77 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
78 <li·​title="Finite·​State·​Machines"><a·​href="fsm.​html#idm1397214739128​16">Finite·​State·​Machines</​a></​li> 78 <li·​title="Finite·​State·​Machines"><a·​href="fsm.​html#idm1402310090907​52">Finite·​State·​Machines</​a></​li>
79 <li·​title="Example"><a·​href="fsm.​html#idm1397214744873​28">Example</​a></​li> 79 <li·​title="Example"><a·​href="fsm.​html#idm1402310087992​48">Example</​a></​li>
80 <li·​title="Starting·​a·​Gen_Fsm"><a·​href="fsm.​html#idm1397214737307​36">Starting·​a·​Gen_Fsm</​a></​li> 80 <li·​title="Starting·​a·​Gen_Fsm"><a·​href="fsm.​html#idm1402310095516​00">Starting·​a·​Gen_Fsm</​a></​li>
81 <li·​title="Notifying·​About·​Events"><a·​href="fsm.​html#idm1397214737268​48">Notifying·​About·​Events</​a></​li> 81 <li·​title="Notifying·​About·​Events"><a·​href="fsm.​html#idm1402310091153​60">Notifying·​About·​Events</​a></​li>
82 <li·​title="Timeouts"><a·​href="fsm.​html#idm1397214745703​04">Timeouts</​a></​li> 82 <li·​title="Timeouts"><a·​href="fsm.​html#idm1402310098085​44">Timeouts</​a></​li>
83 <li·​title="All·​State·​Events"><a·​href="fsm.​html#idm1397214746614​08">All·​State·​Events</​a></​li> 83 <li·​title="All·​State·​Events"><a·​href="fsm.​html#idm1402310093031​52">All·​State·​Events</​a></​li>
84 <li·​title="Stopping"><a·​href="fsm.​html#idm1397214746854​40">Stopping</​a></​li> 84 <li·​title="Stopping"><a·​href="fsm.​html#idm1402310089129​76">Stopping</​a></​li>
85 <li·​title="Handling·​Other·​Messages"><a·​href="fsm.​html#idm1397214740112​00">Handling·​Other·​Messages</​a></​li> 85 <li·​title="Handling·​Other·​Messages"><a·​href="fsm.​html#idm1402310084326​88">Handling·​Other·​Messages</​a></​li>
86 </​ul> 86 </​ul>
87 </​li> 87 </​li>
88 <li·​id="no"·​title="Gen_Event·​Behaviour"·​expanded="false">Gen_​Event·​Behaviour<ul> 88 <li·​id="no"·​title="Gen_Event·​Behaviour"·​expanded="false">Gen_​Event·​Behaviour<ul>
89 <li><a·​href="events.​html"> 89 <li><a·​href="events.​html">
90 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 90 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
91 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 91 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
92 <li·​title="Event·​Handling·​Principles"><a·​href="events.​html#idm1397214751144​00">Event·​Handling·​Principles</​a></​li> 92 <li·​title="Event·​Handling·​Principles"><a·​href="events.​html#idm1402310091793​92">Event·​Handling·​Principles</​a></​li>
93 <li·​title="Example"><a·​href="events.​html#idm1397214738065​60">Example</​a></​li> 93 <li·​title="Example"><a·​href="events.​html#idm1402310084171​52">Example</​a></​li>
94 <li·​title="Starting·​an·​Event·​Manager"><a·​href="events.​html#idm1397214738025​44">Starting·​an·​Event·​Manager</​a></​li> 94 <li·​title="Starting·​an·​Event·​Manager"><a·​href="events.​html#idm1402310084131​36">Starting·​an·​Event·​Manager</​a></​li>
95 <li·​title="Adding·​an·​Event·​Handler"><a·​href="events.​html#idm1397214747192​64">Adding·​an·​Event·​Handler</​a></​li> 95 <li·​title="Adding·​an·​Event·​Handler"><a·​href="events.​html#idm1402310093887​52">Adding·​an·​Event·​Handler</​a></​li>
96 <li·​title="Notifying·​About·​Events"><a·​href="events.​html#idm1397214738881​76">Notifying·​About·​Events</​a></​li> 96 <li·​title="Notifying·​About·​Events"><a·​href="events.​html#idm1402310087285​12">Notifying·​About·​Events</​a></​li>
97 <li·​title="Deleting·​an·​Event·​Handler"><a·​href="events.​html#idm1397214738804​00">Deleting·​an·​Event·​Handler</​a></​li> 97 <li·​title="Deleting·​an·​Event·​Handler"><a·​href="events.​html#idm1402310087207​36">Deleting·​an·​Event·​Handler</​a></​li>
98 <li·​title="Stopping"><a·​href="events.​html#idm1397214738724​64">Stopping</​a></​li> 98 <li·​title="Stopping"><a·​href="events.​html#idm1402310086894​08">Stopping</​a></​li>
99 <li·​title="Handling·​Other·​Messages"><a·​href="events.​html#idm1397214738663​04">Handling·​Other·​Messages</​a></​li> 99 <li·​title="Handling·​Other·​Messages"><a·​href="events.​html#idm1402310086832​48">Handling·​Other·​Messages</​a></​li>
100 </​ul> 100 </​ul>
101 </​li> 101 </​li>
102 <li·​id="no"·​title="Supervisor·​Behaviour"·​expanded="false">Supe​rvisor·​Behaviour<ul> 102 <li·​id="no"·​title="Supervisor·​Behaviour"·​expanded="false">Supe​rvisor·​Behaviour<ul>
103 <li><a·​href="sup_princ.​html"> 103 <li><a·​href="sup_princ.​html">
104 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 104 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
105 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 105 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
106 <li·​title="Supervision·​Principles"><a·​href="sup_princ.​html#idm1397214734009​44">Supervision·​Principles</​a></​li> 106 <li·​title="Supervision·​Principles"><a·​href="sup_princ.​html#idm1402310082917​44">Supervision·​Principles</​a></​li>
107 <li·​title="Example"><a·​href="sup_princ.​html#idm1397214733982​56">Example</​a></​li> 107 <li·​title="Example"><a·​href="sup_princ.​html#idm1402310096825​28">Example</​a></​li>
108 <li·​title="Restart·​Strategy"><a·​href="sup_princ.​html#idm1397214733907​20">Restart·​Strategy</​a></​li> 108 <li·​title="Restart·​Strategy"><a·​href="sup_princ.​html#idm1402310096296​32">Restart·​Strategy</​a></​li>
109 <li·​title="Maximum·​Restart·​Frequency"><a·​href="sup_princ.​html#idm1397214733820​32">Maximum·​Restart·​Frequency</​a></​li> 109 <li·​title="Maximum·​Restart·​Frequency"><a·​href="sup_princ.​html#idm1402310088963​68">Maximum·​Restart·​Frequency</​a></​li>
110 <li·​title="Child·​Specification"><a·​href="sup_princ.​html#idm1397214741044​48">Child·​Specification</​a></​li> 110 <li·​title="Child·​Specification"><a·​href="sup_princ.​html#idm1402310082857​44">Child·​Specification</​a></​li>
111 <li·​title="Starting·​a·​Supervisor"><a·​href="sup_princ.​html#idm1397214733595​20">Starting·​a·​Supervisor</​a></​li> 111 <li·​title="Starting·​a·​Supervisor"><a·​href="sup_princ.​html#idm1402310082533​28">Starting·​a·​Supervisor</​a></​li>
112 <li·​title="Adding·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1397214733484​00">Adding·​a·​Child·​Process</​a></​li> 112 <li·​title="Adding·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1402310082422​08">Adding·​a·​Child·​Process</​a></​li>
113 <li·​title="Stopping·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1397214733440​16">Stopping·​a·​Child·​Process</​a></​li> 113 <li·​title="Stopping·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1402310082378​24">Stopping·​a·​Child·​Process</​a></​li>
114 <li·​title="Simple-​One-​For-​One·​Supervisors"><a·​href="sup_princ.​html#idm1397214733392​48">Simple-​One-​For-​One·​Supervisors</​a></​li> 114 <li·​title="Simple-​One-​For-​One·​Supervisors"><a·​href="sup_princ.​html#idm1402310082330​24">Simple-​One-​For-​One·​Supervisors</​a></​li>
115 <li·​title="Stopping"><a·​href="sup_princ.​html#idm1397214733269​76">Stopping</​a></​li> 115 <li·​title="Stopping"><a·​href="sup_princ.​html#idm1402310082180​80">Stopping</​a></​li>
116 </​ul> 116 </​ul>
117 </​li> 117 </​li>
118 <li·​id="no"·​title="Sys·​and·​Proc_Lib"·​expanded="false">Sys·​and·​Proc_Lib<ul> 118 <li·​id="no"·​title="Sys·​and·​Proc_Lib"·​expanded="false">Sys·​and·​Proc_Lib<ul>
119 <li><a·​href="spec_proc.​html"> 119 <li><a·​href="spec_proc.​html">
120 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 120 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
121 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 121 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
122 <li·​title="Simple·​Debugging"><a·​href="spec_proc.​html#idm1397214733152​80">Simple·​Debugging</​a></​li> 122 <li·​title="Simple·​Debugging"><a·​href="spec_proc.​html#idm1402310082063​84">Simple·​Debugging</​a></​li>
123 <li·​title="Special·​Processes"><a·​href="spec_proc.​html#idm1397214733051​52">Special·​Processes</​a></​li> 123 <li·​title="Special·​Processes"><a·​href="spec_proc.​html#idm1402310081962​56">Special·​Processes</​a></​li>
124 <li·​title="User-​Defined·​Behaviours"><a·​href="spec_proc.​html#idm1397214732279​04">User-​Defined·​Behaviours</​a></​li> 124 <li·​title="User-​Defined·​Behaviours"><a·​href="spec_proc.​html#idm1402310081190​08">User-​Defined·​Behaviours</​a></​li>
125 </​ul> 125 </​ul>
126 </​li> 126 </​li>
127 <li·​id="no"·​title="Applications"·​expanded="false">Appl​ications<ul> 127 <li·​id="no"·​title="Applications"·​expanded="false">Appl​ications<ul>
128 <li><a·​href="applications.​html"> 128 <li><a·​href="applications.​html">
129 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 129 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
130 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 130 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
131 <li·​title="Application·​Concept"><a·​href="applications.​html#idm1397214732041​60">Application·​Concept</​a></​li> 131 <li·​title="Application·​Concept"><a·​href="applications.​html#idm1402310080952​64">Application·​Concept</​a></​li>
132 <li·​title="Application·​Callback·​Module"><a·​href="applications.​html#idm1397214731961​12">Application·​Callback·​Module</​a></​li> 132 <li·​title="Application·​Callback·​Module"><a·​href="applications.​html#idm1402310080872​16">Application·​Callback·​Module</​a></​li>
133 <li·​title="Application·​Resource·​File"><a·​href="applications.​html#idm1397214731824​32">Application·​Resource·​File</​a></​li> 133 <li·​title="Application·​Resource·​File"><a·​href="applications.​html#idm1402310080735​36">Application·​Resource·​File</​a></​li>
134 <li·​title="Directory·​Structure"><a·​href="applications.​html#idm1397214731520​96">Directory·​Structure</​a></​li> 134 <li·​title="Directory·​Structure"><a·​href="applications.​html#idm1402310080432​00">Directory·​Structure</​a></​li>
135 <li·​title="Application·​Controller"><a·​href="applications.​html#idm1397214731369​60">Application·​Controller</​a></​li> 135 <li·​title="Application·​Controller"><a·​href="applications.​html#idm1402310080280​64">Application·​Controller</​a></​li>
136 <li·​title="Loading·​and·​Unloading·​Applications"><a·​href="applications.​html#idm1397214731330​24">Loading·​and·​Unloading·​Applications</​a></​li> 136 <li·​title="Loading·​and·​Unloading·​Applications"><a·​href="applications.​html#idm1402310080241​28">Loading·​and·​Unloading·​Applications</​a></​li>
137 <li·​title="Starting·​and·​Stopping·​Applications"><a·​href="applications.​html#idm1397214731255​68">Starting·​and·​Stopping·​Applications</​a></​li> 137 <li·​title="Starting·​and·​Stopping·​Applications"><a·​href="applications.​html#idm1402310080166​72">Starting·​and·​Stopping·​Applications</​a></​li>
138 <li·​title="Configuring·​an·​Application"><a·​href="applications.​html#idm1397214731150​56">Configuring·​an·​Application</​a></​li> 138 <li·​title="Configuring·​an·​Application"><a·​href="applications.​html#idm1402310080061​60">Configuring·​an·​Application</​a></​li>
139 <li·​title="Application·​Start·​Types"><a·​href="applications.​html#idm1397214730911​20">Application·​Start·​Types</​a></​li> 139 <li·​title="Application·​Start·​Types"><a·​href="applications.​html#idm1402310079822​24">Application·​Start·​Types</​a></​li>
140 </​ul> 140 </​ul>
141 </​li> 141 </​li>
142 <li·​id="no"·​title="Included·​Applications"·​expanded="false">Incl​uded·​Applications<ul> 142 <li·​id="no"·​title="Included·​Applications"·​expanded="false">Incl​uded·​Applications<ul>
143 <li><a·​href="included_applic​ations.​html"> 143 <li><a·​href="included_applic​ations.​html">
144 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 144 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
145 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 145 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
146 <li·​title="Definition"><a​·​href="included_applic​ations.​html#idm1397214730743​52">Definition</​a></​li> 146 <li·​title="Definition"><a​·​href="included_applic​ations.​html#idm1402310079654​56">Definition</​a></​li>
147 <li·​title="Specifying·​Included·​Applications"><a·​href="included_applic​ations.​html#idm1397214730664​96">Specifying·​Included·​Applications</​a></​li> 147 <li·​title="Specifying·​Included·​Applications"><a·​href="included_applic​ations.​html#idm1402310079576​00">Specifying·​Included·​Applications</​a></​li>
148 <li·​title="Synchronizing·​Processes·​During·​Startup"><a·​href="included_applic​ations.​html#idm1397214730634​56">Synchronizing·​Processes·​During·​Startup</​a></​li> 148 <li·​title="Synchronizing·​Processes·​During·​Startup"><a·​href="included_applic​ations.​html#idm1402310079545​60">Synchronizing·​Processes·​During·​Startup</​a></​li>
149 </​ul> 149 </​ul>
150 </​li> 150 </​li>
151 <li·​id="no"·​title="Distributed·​Applications"·​expanded="false">Dist​ributed·​Applications<ul> 151 <li·​id="no"·​title="Distributed·​Applications"·​expanded="false">Dist​ributed·​Applications<ul>
152 <li><a·​href="distributed_app​lications.​html"> 152 <li><a·​href="distributed_app​lications.​html">
153 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 153 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
154 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 154 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
155 <li·​title="Definition"><a​·​href="distributed_app​lications.​html#idm1397214730378​56">Definition</​a></​li> 155 <li·​title="Definition"><a​·​href="distributed_app​lications.​html#idm1402310079289​60">Definition</​a></​li>
156 <li·​title="Specifying·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1397214730335​36">Specifying·​Distributed·​Applications</​a></​li> 156 <li·​title="Specifying·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1402310079246​40">Specifying·​Distributed·​Applications</​a></​li>
157 <li·​title="Starting·​and·​Stopping·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1397214730087​68">Starting·​and·​Stopping·​Distributed·​Applications</​a></​li> 157 <li·​title="Starting·​and·​Stopping·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1402310078998​72">Starting·​and·​Stopping·​Distributed·​Applications</​a></​li>
158 <li·​title="Failover"><a·​href="distributed_app​lications.​html#idm1397214729965​28">Failover</​a></​li> 158 <li·​title="Failover"><a·​href="distributed_app​lications.​html#idm1402310078876​32">Failover</​a></​li>
159 <li·​title="Takeover"><a·​href="distributed_app​lications.​html#idm1397214729794​56">Takeover</​a></​li> 159 <li·​title="Takeover"><a·​href="distributed_app​lications.​html#idm1402310078705​60">Takeover</​a></​li>
160 </​ul> 160 </​ul>
161 </​li> 161 </​li>
162 <li·​id="no"·​title="Releases"·​expanded="false">Rele​ases<ul> 162 <li·​id="no"·​title="Releases"·​expanded="false">Rele​ases<ul>
163 <li><a·​href="release_structu​re.​html"> 163 <li><a·​href="release_structu​re.​html">
164 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 164 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
165 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 165 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
166 <li·​title="Release·​Concept"><a·​href="release_structu​re.​html#idm1397214729560​16">Release·​Concept</​a></​li> 166 <li·​title="Release·​Concept"><a·​href="release_structu​re.​html#idm1402310078471​20">Release·​Concept</​a></​li>
167 <li·​title="Release·​Resource·​File"><a·​href="release_structu​re.​html#idm1397214729497​12">Release·​Resource·​File</​a></​li> 167 <li·​title="Release·​Resource·​File"><a·​href="release_structu​re.​html#idm1402310078408​16">Release·​Resource·​File</​a></​li>
168 <li·​title="Generating·​Boot·​Scripts"><a·​href="release_structu​re.​html#idm1397214729320​00">Generating·​Boot·​Scripts</​a></​li> 168 <li·​title="Generating·​Boot·​Scripts"><a·​href="release_structu​re.​html#idm1402310078231​04">Generating·​Boot·​Scripts</​a></​li>
169 <li·​title="Creating·​a·​Release·​Package"><a·​href="release_structu​re.​html#idm1397214729207​36">Creating·​a·​Release·​Package</​a></​li> 169 <li·​title="Creating·​a·​Release·​Package"><a·​href="release_structu​re.​html#idm1402310078118​40">Creating·​a·​Release·​Package</​a></​li>
170 <li·​title="Directory·​Structure"><a·​href="release_structu​re.​html#idm1397214729029​12">Directory·​Structure</​a></​li> 170 <li·​title="Directory·​Structure"><a·​href="release_structu​re.​html#idm1402310077940​16">Directory·​Structure</​a></​li>
171 </​ul> 171 </​ul>
172 </​li> 172 </​li>
173 <li·​id="no"·​title="Release·​Handling"·​expanded="false">Rele​ase·​Handling<ul> 173 <li·​id="no"·​title="Release·​Handling"·​expanded="false">Rele​ase·​Handling<ul>
174 <li><a·​href="release_handlin​g.​html"> 174 <li><a·​href="release_handlin​g.​html">
175 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 175 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
176 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 176 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
177 <li·​title="Release·​Handling·​Principles"><a·​href="release_handlin​g.​html#idm1397214728725​44">Release·​Handling·​Principles</​a></​li> 177 <li·​title="Release·​Handling·​Principles"><a·​href="release_handlin​g.​html#idm1402310077636​48">Release·​Handling·​Principles</​a></​li>
178 <li·​title="Requirements">​<a·​href="release_handlin​g.​html#idm1397214728431​84">Requirements</​a></​li> 178 <li·​title="Requirements">​<a·​href="release_handlin​g.​html#idm1402310077342​88">Requirements</​a></​li>
179 <li·​title="Distributed·​Systems"><a·​href="release_handlin​g.​html#idm1397214728320​48">Distributed·​Systems</​a></​li> 179 <li·​title="Distributed·​Systems"><a·​href="release_handlin​g.​html#idm1402310077231​52">Distributed·​Systems</​a></​li>
180 <li·​title="Release·​Handling·​Instructions"><a·​href="release_handlin​g.​html#idm1397214728288​80">Release·​Handling·​Instructions</​a></​li> 180 <li·​title="Release·​Handling·​Instructions"><a·​href="release_handlin​g.​html#idm1402310077199​84">Release·​Handling·​Instructions</​a></​li>
181 <li·​title="Application·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1397214727656​64">Application·​Upgrade·​File</​a></​li> 181 <li·​title="Application·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1402310076567​68">Application·​Upgrade·​File</​a></​li>
182 <li·​title="Release·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1397214727438​24">Release·​Upgrade·​File</​a></​li> 182 <li·​title="Release·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1402310076349​28">Release·​Upgrade·​File</​a></​li>
183 <li·​title="Installing·​a·​Release"><a·​href="release_handlin​g.​html#idm1397214727250​88">Installing·​a·​Release</​a></​li> 183 <li·​title="Installing·​a·​Release"><a·​href="release_handlin​g.​html#idm1402310076161​92">Installing·​a·​Release</​a></​li>
184 <li·​title="Updating·​Application·​Specifications"><a·​href="release_handlin​g.​html#idm1397214726686​08">Updating·​Application·​Specifications</​a></​li> 184 <li·​title="Updating·​Application·​Specifications"><a·​href="release_handlin​g.​html#idm1402310075597​12">Updating·​Application·​Specifications</​a></​li>
185 </​ul> 185 </​ul>
186 </​li> 186 </​li>
187 <li·​id="no"·​title="Appup·​Cookbook"·​expanded="false">Appu​p·​Cookbook<ul> 187 <li·​id="no"·​title="Appup·​Cookbook"·​expanded="false">Appu​p·​Cookbook<ul>
188 <li><a·​href="appup_cookbook.​html"> 188 <li><a·​href="appup_cookbook.​html">
189 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 189 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
190 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 190 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
191 <li·​title="Changing·​a·​Functional·​Module"><a·​href="appup_cookbook.​html#idm1397214726465​28">Changing·​a·​Functional·​Module</​a></​li> 191 <li·​title="Changing·​a·​Functional·​Module"><a·​href="appup_cookbook.​html#idm1402310075376​32">Changing·​a·​Functional·​Module</​a></​li>
192 <li·​title="Changing·​a·​Residence·​Module"><a·​href="appup_cookbook.​html#idm1397214726437​92">Changing·​a·​Residence·​Module</​a></​li> 192 <li·​title="Changing·​a·​Residence·​Module"><a·​href="appup_cookbook.​html#idm1402310075348​96">Changing·​a·​Residence·​Module</​a></​li>
193 <li·​title="Changing·​a·​Callback·​Module"><a·​href="appup_cookbook.​html#idm1397214726391​36">Changing·​a·​Callback·​Module</​a></​li> 193 <li·​title="Changing·​a·​Callback·​Module"><a·​href="appup_cookbook.​html#idm1402310075302​40">Changing·​a·​Callback·​Module</​a></​li>
194 <li·​title="Changing·​Internal·​State"><a·​href="appup_cookbook.​html#idm1397214726330​08">Changing·​Internal·​State</​a></​li> 194 <li·​title="Changing·​Internal·​State"><a·​href="appup_cookbook.​html#idm1402310075241​12">Changing·​Internal·​State</​a></​li>
195 <li·​title="Module·​Dependencies"><a·​href="appup_cookbook.​html#idm1397214726168​64">Module·​Dependencies</​a></​li> 195 <li·​title="Module·​Dependencies"><a·​href="appup_cookbook.​html#idm1402310075079​68">Module·​Dependencies</​a></​li>
196 <li·​title="Changing·​Code·​For·​a·​Special·​Process"><a·​href="appup_cookbook.​html#idm1397214725963​84">Changing·​Code·​For·​a·​Special·​Process</​a></​li> 196 <li·​title="Changing·​Code·​For·​a·​Special·​Process"><a·​href="appup_cookbook.​html#idm1402310074874​88">Changing·​Code·​For·​a·​Special·​Process</​a></​li>
197 <li·​title="Changing·​a·​Supervisor"><a·​href="appup_cookbook.​html#idm1397214725763​68">Changing·​a·​Supervisor</​a></​li> 197 <li·​title="Changing·​a·​Supervisor"><a·​href="appup_cookbook.​html#idm1402310074674​72">Changing·​a·​Supervisor</​a></​li>
198 <li·​title="Adding·​or·​Deleting·​a·​Module"><a·​href="appup_cookbook.​html#idm1397214725468​64">Adding·​or·​Deleting·​a·​Module</​a></​li> 198 <li·​title="Adding·​or·​Deleting·​a·​Module"><a·​href="appup_cookbook.​html#idm1402310074379​68">Adding·​or·​Deleting·​a·​Module</​a></​li>
199 <li·​title="Starting·​or·​Terminating·​a·​Process"><a·​href="appup_cookbook.​html#idm1397214725438​24">Starting·​or·​Terminating·​a·​Process</​a></​li> 199 <li·​title="Starting·​or·​Terminating·​a·​Process"><a·​href="appup_cookbook.​html#idm1402310074349​28">Starting·​or·​Terminating·​a·​Process</​a></​li>
200 <li·​title="Adding·​or·​Removing·​an·​Application"><a·​href="appup_cookbook.​html#idm1397214725416​00">Adding·​or·​Removing·​an·​Application</​a></​li> 200 <li·​title="Adding·​or·​Removing·​an·​Application"><a·​href="appup_cookbook.​html#idm1402310074327​04">Adding·​or·​Removing·​an·​Application</​a></​li>
201 <li·​title="Restarting·​an·​Application"><a·​href="appup_cookbook.​html#idm1397214725379​20">Restarting·​an·​Application</​a></​li> 201 <li·​title="Restarting·​an·​Application"><a·​href="appup_cookbook.​html#idm1402310074290​24">Restarting·​an·​Application</​a></​li>
202 <li·​title="Changing·​an·​Application·​Specification"><a·​href="appup_cookbook.​html#idm1397214725328​64">Changing·​an·​Application·​Specification</​a></​li> 202 <li·​title="Changing·​an·​Application·​Specification"><a·​href="appup_cookbook.​html#idm1402310074239​68">Changing·​an·​Application·​Specification</​a></​li>
203 <li·​title="Changing·​Application·​Configuration"><a·​href="appup_cookbook.​html#idm1397214725300​00">Changing·​Application·​Configuration</​a></​li> 203 <li·​title="Changing·​Application·​Configuration"><a·​href="appup_cookbook.​html#idm1402310074211​04">Changing·​Application·​Configuration</​a></​li>
204 <li·​title="Changing·​Included·​Applications"><a·​href="appup_cookbook.​html#idm1397214725259​84">Changing·​Included·​Applications</​a></​li> 204 <li·​title="Changing·​Included·​Applications"><a·​href="appup_cookbook.​html#idm1402310074170​88">Changing·​Included·​Applications</​a></​li>
205 <li·​title="Changing·​Non-​Erlang·​Code"><a·​href="appup_cookbook.​html#idm1397214724972​00">Changing·​Non-​Erlang·​Code</​a></​li> 205 <li·​title="Changing·​Non-​Erlang·​Code"><a·​href="appup_cookbook.​html#idm1402310073883​04">Changing·​Non-​Erlang·​Code</​a></​li>
206 <li·​title="Emulator·​Restart·​and·​Upgrade"><a·​href="appup_cookbook.​html#idm1397214724870​56">Emulator·​Restart·​and·​Upgrade</​a></​li> 206 <li·​title="Emulator·​Restart·​and·​Upgrade"><a·​href="appup_cookbook.​html#idm1402310073781​60">Emulator·​Restart·​and·​Upgrade</​a></​li>
207 <li·​title="Emulator·​Upgrade·​from·​pre·​OTP·​R15"><a·​href="appup_cookbook.​html#idm1397214724778​72">Emulator·​Upgrade·​from·​pre·​OTP·​R15</​a></​li> 207 <li·​title="Emulator·​Upgrade·​from·​pre·​OTP·​R15"><a·​href="appup_cookbook.​html#idm1402310073689​76">Emulator·​Upgrade·​from·​pre·​OTP·​R15</​a></​li>
208 </​ul> 208 </​ul>
209 </​li> 209 </​li>
210 </​ul> 210 </​ul>
211 </​div></​div> 211 </​div></​div>
212 <div·​id="content"> 212 <div·​id="content">
213 <div·​class="innertube"> 213 <div·​class="innertube">
214 <h1>3 Gen_Fsm·​Behaviour</​h1> 214 <h1>3 Gen_Fsm·​Behaviour</​h1>
215 ·​·​ 215 ·​·​
216 ·​·​<p>This·​chapter·​should·​be·​read·​in·​conjunction·​with·​<span·​class="code">gen_fsm(​3)​</​span>,​ 216 ·​·​<p>This·​chapter·​should·​be·​read·​in·​conjunction·​with·​<span·​class="code">gen_fsm(​3)​</​span>,​
217 ·​·​·​·​where·​all·​interface·​functions·​and·​callback·​functions·​are·​described 217 ·​·​·​·​where·​all·​interface·​functions·​and·​callback·​functions·​are·​described
218 ·​·​·​·​in·​detail.​</​p> 218 ·​·​·​·​in·​detail.​</​p>
   
219 ·​·​<h3><a·​name="idm139721473912​816">3.​1  219 ·​·​<h3><a·​name="idm140231009090​752">3.​1 
220 ·​·​·​·​·​·​·​·​Finite·​State·​Machines</​a></​h3> 220 ·​·​·​·​·​·​·​·​Finite·​State·​Machines</​a></​h3>
221 ·​·​·​·​ 221 ·​·​·​·​
222 ·​·​·​·​<p>A·​finite·​state·​machine,​·​FSM,​·​can·​be·​described·​as·​a·​set·​of 222 ·​·​·​·​<p>A·​finite·​state·​machine,​·​FSM,​·​can·​be·​described·​as·​a·​set·​of
223 ·​·​·​·​·​·​relations·​of·​the·​form:​</​p> 223 ·​·​·​·​·​·​relations·​of·​the·​form:​</​p>
224 ·​·​·​·​<div·​class="example"><pre>​ 224 ·​·​·​·​<div·​class="example"><pre>​
225 State(S)​·​x·​Event(E)​·​-​&gt;​·​Actions(A)​,​·​State(S')​</​pre></​div> 225 State(S)​·​x·​Event(E)​·​-​&gt;​·​Actions(A)​,​·​State(S')​</​pre></​div>
226 ·​·​·​·​<p>These·​relations·​are·​interpreted·​as·​meaning:​</​p> 226 ·​·​·​·​<p>These·​relations·​are·​interpreted·​as·​meaning:​</​p>
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235 ·​·​·​·​·​·​functions·​which·​conform·​to·​the·​following·​convention:​</​p> 235 ·​·​·​·​·​·​functions·​which·​conform·​to·​the·​following·​convention:​</​p>
236 ·​·​·​·​<div·​class="example"><pre>​ 236 ·​·​·​·​<div·​class="example"><pre>​
237 StateName(Event,​·​StateData)​·​-​&gt;​ 237 StateName(Event,​·​StateData)​·​-​&gt;​
238 ·​·​·​·​.​.​·​code·​for·​actions·​here·​.​.​.​ 238 ·​·​·​·​.​.​·​code·​for·​actions·​here·​.​.​.​
239 ·​·​·​·​{next_state,​·​StateName',​·​StateData'}</​pre></​div> 239 ·​·​·​·​{next_state,​·​StateName',​·​StateData'}</​pre></​div>
240 ·​·​ 240 ·​·​
   
241 ·​·​<h3><a·​name="idm139721474487​328">3.​2  241 ·​·​<h3><a·​name="idm140231008799​248">3.​2 
242 ·​·​·​·​·​·​·​·​Example</​a></​h3> 242 ·​·​·​·​·​·​·​·​Example</​a></​h3>
243 ·​·​·​·​ 243 ·​·​·​·​
244 ·​·​·​·​<p>A·​door·​with·​a·​code·​lock·​could·​be·​viewed·​as·​an·​FSM.​·​Initially,​ 244 ·​·​·​·​<p>A·​door·​with·​a·​code·​lock·​could·​be·​viewed·​as·​an·​FSM.​·​Initially,​
245 ·​·​·​·​·​·​the·​door·​is·​locked.​·​Anytime·​someone·​presses·​a·​button,​·​this 245 ·​·​·​·​·​·​the·​door·​is·​locked.​·​Anytime·​someone·​presses·​a·​button,​·​this
246 ·​·​·​·​·​·​generates·​an·​event.​·​Depending·​on·​what·​buttons·​have·​been·​pressed 246 ·​·​·​·​·​·​generates·​an·​event.​·​Depending·​on·​what·​buttons·​have·​been·​pressed
247 ·​·​·​·​·​·​before,​·​the·​sequence·​so·​far·​may·​be·​correct,​·​incomplete·​or·​wrong.​</​p> 247 ·​·​·​·​·​·​before,​·​the·​sequence·​so·​far·​may·​be·​correct,​·​incomplete·​or·​wrong.​</​p>
248 ·​·​·​·​<p>If·​it·​is·​correct,​·​the·​door·​is·​unlocked·​for·​30·​seconds·​(30000·​ms)​.​ 248 ·​·​·​·​<p>If·​it·​is·​correct,​·​the·​door·​is·​unlocked·​for·​30·​seconds·​(30000·​ms)​.​
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283 open(timeout,​·​State)​·​-​&gt;​ 283 open(timeout,​·​State)​·​-​&gt;​
284 ·​·​·​·​do_lock()​,​ 284 ·​·​·​·​do_lock()​,​
285 ·​·​·​·​{next_state,​·​locked,​·​State}.​</​pre></​div> 285 ·​·​·​·​{next_state,​·​locked,​·​State}.​</​pre></​div>
286 ·​·​·​·​<p>The·​code·​is·​explained·​in·​the·​next·​sections.​</​p> 286 ·​·​·​·​<p>The·​code·​is·​explained·​in·​the·​next·​sections.​</​p>
287 ·​·​ 287 ·​·​
   
288 ·​·​<h3><a·​name="idm139721473730​736">3.​3  288 ·​·​<h3><a·​name="idm140231009551​600">3.​3 
289 ·​·​·​·​·​·​·​·​Starting·​a·​Gen_Fsm</​a></​h3> 289 ·​·​·​·​·​·​·​·​Starting·​a·​Gen_Fsm</​a></​h3>
290 ·​·​·​·​ 290 ·​·​·​·​
291 ·​·​·​·​<p>In·​the·​example·​in·​the·​previous·​section,​·​the·​gen_fsm·​is·​started·​by 291 ·​·​·​·​<p>In·​the·​example·​in·​the·​previous·​section,​·​the·​gen_fsm·​is·​started·​by
292 ·​·​·​·​·​·​calling·​<span·​class="code">code_loc​k:​start_link(Code)​</​span>:​</​p> 292 ·​·​·​·​·​·​calling·​<span·​class="code">code_loc​k:​start_link(Code)​</​span>:​</​p>
293 ·​·​·​·​<div·​class="example"><pre>​ 293 ·​·​·​·​<div·​class="example"><pre>​
294 start_link(Code)​·​-​&gt;​ 294 start_link(Code)​·​-​&gt;​
295 ·​·​·​·​gen_fsm:​start_link({local,​·​code_lock},​·​code_lock,​·​lists:​reverse(Code)​,​·​[])​.​ 295 ·​·​·​·​gen_fsm:​start_link({local,​·​code_lock},​·​code_lock,​·​lists:​reverse(Code)​,​·​[])​.​
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346 ·​·​·​·​·​·​receive·​notifications.​</​p> 346 ·​·​·​·​·​·​receive·​notifications.​</​p>
347 ·​·​·​·​<p><span·​class="code">gen_fsm:​start_link</​span>·​must·​be·​used·​if·​the·​gen_fsm·​is·​part·​of 347 ·​·​·​·​<p><span·​class="code">gen_fsm:​start_link</​span>·​must·​be·​used·​if·​the·​gen_fsm·​is·​part·​of
348 ·​·​·​·​·​·​a·​supervision·​tree,​·​i.​e.​·​is·​started·​by·​a·​supervisor.​·​There·​is 348 ·​·​·​·​·​·​a·​supervision·​tree,​·​i.​e.​·​is·​started·​by·​a·​supervisor.​·​There·​is
349 ·​·​·​·​·​·​another·​function·​<span·​class="code">gen_fsm:​start</​span>·​to·​start·​a·​stand-​alone 349 ·​·​·​·​·​·​another·​function·​<span·​class="code">gen_fsm:​start</​span>·​to·​start·​a·​stand-​alone
350 ·​·​·​·​·​·​gen_fsm,​·​i.​e.​·​a·​gen_fsm·​which·​is·​not·​part·​of·​a·​supervision·​tree.​</​p> 350 ·​·​·​·​·​·​gen_fsm,​·​i.​e.​·​a·​gen_fsm·​which·​is·​not·​part·​of·​a·​supervision·​tree.​</​p>
351 ·​·​ 351 ·​·​
   
352 ·​·​<h3><a·​name="idm139721473726​848">3.​4  352 ·​·​<h3><a·​name="idm140231009115​360">3.​4 
353 ·​·​·​·​·​·​·​·​Notifying·​About·​Events</​a></​h3> 353 ·​·​·​·​·​·​·​·​Notifying·​About·​Events</​a></​h3>
354 ·​·​·​·​ 354 ·​·​·​·​
355 ·​·​·​·​<p>The·​function·​notifying·​the·​code·​lock·​about·​a·​button·​event·​is 355 ·​·​·​·​<p>The·​function·​notifying·​the·​code·​lock·​about·​a·​button·​event·​is
356 ·​·​·​·​·​·​implemented·​using·​<span·​class="code">gen_fsm:​send_event/​2</​span>:​</​p> 356 ·​·​·​·​·​·​implemented·​using·​<span·​class="code">gen_fsm:​send_event/​2</​span>:​</​p>
357 ·​·​·​·​<div·​class="example"><pre>​ 357 ·​·​·​·​<div·​class="example"><pre>​
358 button(Digit)​·​-​&gt;​ 358 button(Digit)​·​-​&gt;​
359 ·​·​·​·​gen_fsm:​send_event(code_lock,​·​{button,​·​Digit})​.​</​pre></​div> 359 ·​·​·​·​gen_fsm:​send_event(code_lock,​·​{button,​·​Digit})​.​</​pre></​div>
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387 ·​·​·​·​<p>If·​the·​door·​is·​locked·​and·​a·​button·​is·​pressed,​·​the·​complete 387 ·​·​·​·​<p>If·​the·​door·​is·​locked·​and·​a·​button·​is·​pressed,​·​the·​complete
388 ·​·​·​·​·​·​button·​sequence·​so·​far·​is·​compared·​with·​the·​correct·​code·​for 388 ·​·​·​·​·​·​button·​sequence·​so·​far·​is·​compared·​with·​the·​correct·​code·​for
389 ·​·​·​·​·​·​the·​lock·​and,​·​depending·​on·​the·​result,​·​the·​door·​is·​either·​unlocked 389 ·​·​·​·​·​·​the·​lock·​and,​·​depending·​on·​the·​result,​·​the·​door·​is·​either·​unlocked
390 ·​·​·​·​·​·​and·​the·​gen_fsm·​goes·​to·​state·​<span·​class="code">open</​span>,​·​or·​the·​door·​remains·​in 390 ·​·​·​·​·​·​and·​the·​gen_fsm·​goes·​to·​state·​<span·​class="code">open</​span>,​·​or·​the·​door·​remains·​in
391 ·​·​·​·​·​·​state·​<span·​class="code">locked</​span>.​</​p> 391 ·​·​·​·​·​·​state·​<span·​class="code">locked</​span>.​</​p>
392 ·​·​ 392 ·​·​
   
393 ·​·​<h3><a·​name="idm139721474570​304">3.​5  393 ·​·​<h3><a·​name="idm140231009808​544">3.​5 
394 ·​·​·​·​·​·​·​·​Timeouts</​a></​h3> 394 ·​·​·​·​·​·​·​·​Timeouts</​a></​h3>
395 ·​·​·​·​ 395 ·​·​·​·​
396 ·​·​·​·​<p>When·​a·​correct·​code·​has·​been·​given,​·​the·​door·​is·​unlocked·​and 396 ·​·​·​·​<p>When·​a·​correct·​code·​has·​been·​given,​·​the·​door·​is·​unlocked·​and
397 ·​·​·​·​·​·​the·​following·​tuple·​is·​returned·​from·​<span·​class="code">locked/​2</​span>:​</​p> 397 ·​·​·​·​·​·​the·​following·​tuple·​is·​returned·​from·​<span·​class="code">locked/​2</​span>:​</​p>
398 ·​·​·​·​<div·​class="example"><pre>​ 398 ·​·​·​·​<div·​class="example"><pre>​
399 {next_state,​·​open,​·​{[],​·​Code},​·​30000};​</​pre></​div> 399 {next_state,​·​open,​·​{[],​·​Code},​·​30000};​</​pre></​div>
400 ·​·​·​·​<p>30000·​is·​a·​timeout·​value·​in·​milliseconds.​·​After·​30000·​ms,​·​i.​e.​ 400 ·​·​·​·​<p>30000·​is·​a·​timeout·​value·​in·​milliseconds.​·​After·​30000·​ms,​·​i.​e.​
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404 ·​·​·​·​·​·​the·​door·​is·​locked·​again:​</​p> 404 ·​·​·​·​·​·​the·​door·​is·​locked·​again:​</​p>
405 ·​·​·​·​<div·​class="example"><pre>​ 405 ·​·​·​·​<div·​class="example"><pre>​
406 open(timeout,​·​State)​·​-​&gt;​ 406 open(timeout,​·​State)​·​-​&gt;​
407 ·​·​·​·​do_lock()​,​ 407 ·​·​·​·​do_lock()​,​
408 ·​·​·​·​{next_state,​·​locked,​·​State}.​</​pre></​div> 408 ·​·​·​·​{next_state,​·​locked,​·​State}.​</​pre></​div>
409 ·​·​ 409 ·​·​
   
410 ·​·​<h3><a·​name="idm139721474661​408">3.​6  410 ·​·​<h3><a·​name="idm140231009303​152">3.​6 
411 ·​·​·​·​·​·​·​·​All·​State·​Events</​a></​h3> 411 ·​·​·​·​·​·​·​·​All·​State·​Events</​a></​h3>
412 ·​·​·​·​ 412 ·​·​·​·​
413 ·​·​·​·​<p>Sometimes·​an·​event·​can·​arrive·​at·​any·​state·​of·​the·​gen_fsm.​ 413 ·​·​·​·​<p>Sometimes·​an·​event·​can·​arrive·​at·​any·​state·​of·​the·​gen_fsm.​
414 ·​·​·​·​·​·​Instead·​of·​sending·​the·​message·​with·​<span·​class="code">gen_fsm:​send_event/​2</​span> 414 ·​·​·​·​·​·​Instead·​of·​sending·​the·​message·​with·​<span·​class="code">gen_fsm:​send_event/​2</​span>
415 ·​·​·​·​·​·​and·​writing·​one·​clause·​handling·​the·​event·​for·​each·​state·​function,​ 415 ·​·​·​·​·​·​and·​writing·​one·​clause·​handling·​the·​event·​for·​each·​state·​function,​
416 ·​·​·​·​·​·​the·​message·​can·​be·​sent·​with·​<span·​class="code">gen_fsm:​send_all_state_event/​2</​span> 416 ·​·​·​·​·​·​the·​message·​can·​be·​sent·​with·​<span·​class="code">gen_fsm:​send_all_state_event/​2</​span>
417 ·​·​·​·​·​·​and·​handled·​with·​<span·​class="code">Module:​handle_event/​3</​span>:​</​p> 417 ·​·​·​·​·​·​and·​handled·​with·​<span·​class="code">Module:​handle_event/​3</​span>:​</​p>
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427 .​.​.​ 427 .​.​.​
   
428 handle_event(stop,​·​_StateName,​·​StateData)​·​-​&gt;​ 428 handle_event(stop,​·​_StateName,​·​StateData)​·​-​&gt;​
429 ·​·​·​·​{stop,​·​normal,​·​StateData}.​</​pre></​div> 429 ·​·​·​·​{stop,​·​normal,​·​StateData}.​</​pre></​div>
430 ·​·​ 430 ·​·​
   
431 ·​·​<h3><a·​name="idm139721474685​440">3.​7  431 ·​·​<h3><a·​name="idm140231008912​976">3.​7 
432 ·​·​·​·​·​·​·​·​Stopping</​a></​h3> 432 ·​·​·​·​·​·​·​·​Stopping</​a></​h3>
433 ·​·​·​·​ 433 ·​·​·​·​
   
434 ·​·​·​·​<h4>In·​a·​Supervision·​Tree</​h4> 434 ·​·​·​·​<h4>In·​a·​Supervision·​Tree</​h4>
435 ·​·​·​·​·​·​ 435 ·​·​·​·​·​·​
436 ·​·​·​·​·​·​<p>If·​the·​gen_fsm·​is·​part·​of·​a·​supervision·​tree,​·​no·​stop·​function 436 ·​·​·​·​·​·​<p>If·​the·​gen_fsm·​is·​part·​of·​a·​supervision·​tree,​·​no·​stop·​function
437 ·​·​·​·​·​·​·​·​is·​needed.​·​The·​gen_fsm·​will·​automatically·​be·​terminated·​by·​its 437 ·​·​·​·​·​·​·​·​is·​needed.​·​The·​gen_fsm·​will·​automatically·​be·​terminated·​by·​its
Offset 487, 15 lines modified Offset 487, 15 lines modified
487 ·​·​·​·​·​·​·​·​is·​a·​new·​value·​for·​the·​state·​data·​of·​the·​gen_fsm.​·​This·​will 487 ·​·​·​·​·​·​·​·​is·​a·​new·​value·​for·​the·​state·​data·​of·​the·​gen_fsm.​·​This·​will
488 ·​·​·​·​·​·​·​·​cause·​the·​gen_fsm·​to·​call 488 ·​·​·​·​·​·​·​·​cause·​the·​gen_fsm·​to·​call
489 ·​·​·​·​·​·​·​·​<span·​class="code">terminat​e(normal,​StateName,​StateData1)​</​span>·​and·​then 489 ·​·​·​·​·​·​·​·​<span·​class="code">terminat​e(normal,​StateName,​StateData1)​</​span>·​and·​then
490 ·​·​·​·​·​·​·​·​terminate·​gracefully:​</​p> 490 ·​·​·​·​·​·​·​·​terminate·​gracefully:​</​p>
491 ·​·​·​·​ 491 ·​·​·​·​
492 ·​·​ 492 ·​·​
   
493 ·​·​<h3><a·​name="idm139721474011​200">3.​8  493 ·​·​<h3><a·​name="idm140231008432​688">3.​8 
494 ·​·​·​·​·​·​·​·​Handling·​Other·​Messages</​a></​h3> 494 ·​·​·​·​·​·​·​·​Handling·​Other·​Messages</​a></​h3>
495 ·​·​·​·​ 495 ·​·​·​·​
496 ·​·​·​·​<p>If·​the·​gen_fsm·​should·​be·​able·​to·​receive·​other·​messages·​than 496 ·​·​·​·​<p>If·​the·​gen_fsm·​should·​be·​able·​to·​receive·​other·​messages·​than
497 ·​·​·​·​·​·​events,​·​the·​callback·​function·​<span·​class="code">handle_i​nfo(Info,​·​StateName,​·​StateData)​</​span>·​must·​be·​implemented·​to·​handle·​them.​·​Examples·​of 497 ·​·​·​·​·​·​events,​·​the·​callback·​function·​<span·​class="code">handle_i​nfo(Info,​·​StateName,​·​StateData)​</​span>·​must·​be·​implemented·​to·​handle·​them.​·​Examples·​of
498 ·​·​·​·​·​·​other·​messages·​are·​exit·​messages,​·​if·​the·​gen_fsm·​is·​linked·​to 498 ·​·​·​·​·​·​other·​messages·​are·​exit·​messages,​·​if·​the·​gen_fsm·​is·​linked·​to
499 ·​·​·​·​·​·​other·​processes·​(than·​the·​supervisor)​·​and·​trapping·​exit·​signals.​</​p> 499 ·​·​·​·​·​·​other·​processes·​(than·​the·​supervisor)​·​and·​trapping·​exit·​signals.​</​p>
500 ·​·​·​·​<div·​class="example"><pre>​ 500 ·​·​·​·​<div·​class="example"><pre>​
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47 <img·​alt="Erlang·​logo"·​src=".​.​/​erlang-​logo.​png"><br><small><a·​href="users_guide.​html">User's·​Guide</​a><br><a·​href=".​.​/​pdf/​otp-​system-​documentation-​6.​3.​pdf">PDF</​a><br><a·​href=".​.​/​index.​html">Top</​a></​small><p><strong>OTP·​Design·​Principles</​strong><br><strong>Us​er's·​Guide</​strong><br><small>Ver​sion·​6.​3</​small></​p> 47 <img·​alt="Erlang·​logo"·​src=".​.​/​erlang-​logo.​png"><br><small><a·​href="users_guide.​html">User's·​Guide</​a><br><a·​href=".​.​/​pdf/​otp-​system-​documentation-​6.​3.​pdf">PDF</​a><br><a·​href=".​.​/​index.​html">Top</​a></​small><p><strong>OTP·​Design·​Principles</​strong><br><strong>Us​er's·​Guide</​strong><br><small>Ver​sion·​6.​3</​small></​p>
48 <br><a·​href="javascript:​openAllFlips()​">Expand·​All</​a><br><a·​href="javascript:​closeAllFlips()​">Contract·​All</​a><p><small><strong>C​hapters</​strong></​small></​p> 48 <br><a·​href="javascript:​openAllFlips()​">Expand·​All</​a><br><a·​href="javascript:​closeAllFlips()​">Contract·​All</​a><p><small><strong>C​hapters</​strong></​small></​p>
49 <ul·​class="flipMenu"·​imagepath=".​.​/​js/​flipmenu"> 49 <ul·​class="flipMenu"·​imagepath=".​.​/​js/​flipmenu">
50 <li·​id="no"·​title="Overview"·​expanded="false">Over​view<ul> 50 <li·​id="no"·​title="Overview"·​expanded="false">Over​view<ul>
51 <li><a·​href="des_princ.​html"> 51 <li><a·​href="des_princ.​html">
52 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 52 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
53 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 53 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
54 <li·​title="Supervision·​Trees"><a·​href="des_princ.​html#idm1397214738212​96">Supervision·​Trees</​a></​li> 54 <li·​title="Supervision·​Trees"><a·​href="des_princ.​html#idm1402310086645​92">Supervision·​Trees</​a></​li>
55 <li·​title="Behaviours"><a​·​href="des_princ.​html#idm1397214738293​92">Behaviours</​a></​li> 55 <li·​title="Behaviours"><a​·​href="des_princ.​html#idm1402310086726​88">Behaviours</​a></​li>
56 <li·​title="Applications">​<a·​href="des_princ.​html#idm1397214738587​52">Applications</​a></​li> 56 <li·​title="Applications">​<a·​href="des_princ.​html#idm1402310087520​16">Applications</​a></​li>
57 <li·​title="Releases"><a·​href="des_princ.​html#idm1397214738637​44">Releases</​a></​li> 57 <li·​title="Releases"><a·​href="des_princ.​html#idm1402310087570​72">Releases</​a></​li>
58 <li·​title="Release·​Handling"><a·​href="des_princ.​html#idm1397214739808​96">Release·​Handling</​a></​li> 58 <li·​title="Release·​Handling"><a·​href="des_princ.​html#idm1402310087605​92">Release·​Handling</​a></​li>
59 </​ul> 59 </​ul>
60 </​li> 60 </​li>
61 <li·​id="loadscrollpos"·​title="Gen_Server·​Behaviour"·​expanded="true">Gen_S​erver·​Behaviour<ul> 61 <li·​id="loadscrollpos"·​title="Gen_Server·​Behaviour"·​expanded="true">Gen_S​erver·​Behaviour<ul>
62 <li><a·​href="gen_server_conc​epts.​html"> 62 <li><a·​href="gen_server_conc​epts.​html">
63 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 63 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
64 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 64 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
65 <li·​title="Client-​Server·​Principles"><a·​href="gen_server_conc​epts.​html#idm1397214739903​84">Client-​Server·​Principles</​a></​li> 65 <li·​title="Client-​Server·​Principles"><a·​href="gen_server_conc​epts.​html#idm1402310087701​28">Client-​Server·​Principles</​a></​li>
66 <li·​title="Example"><a·​href="gen_server_conc​epts.​html#idm1397214739937​92">Example</​a></​li> 66 <li·​title="Example"><a·​href="gen_server_conc​epts.​html#idm1402310086976​32">Example</​a></​li>
67 <li·​title="Starting·​a·​Gen_Server"><a·​href="gen_server_conc​epts.​html#idm1397214739981​60">Starting·​a·​Gen_Server</​a></​li> 67 <li·​title="Starting·​a·​Gen_Server"><a·​href="gen_server_conc​epts.​html#idm1402310087020​00">Starting·​a·​Gen_Server</​a></​li>
68 <li·​title="Synchronous·​Requests·​-​·​Call"><a·​href="gen_server_conc​epts.​html#idm1397214737669​92">Synchronous·​Requests·​-​·​Call</​a></​li> 68 <li·​title="Synchronous·​Requests·​-​·​Call"><a·​href="gen_server_conc​epts.​html#idm1402310087762​24">Synchronous·​Requests·​-​·​Call</​a></​li>
69 <li·​title="Asynchronous·​Requests·​-​·​Cast"><a·​href="gen_server_conc​epts.​html#idm1397214740228​64">Asynchronous·​Requests·​-​·​Cast</​a></​li> 69 <li·​title="Asynchronous·​Requests·​-​·​Cast"><a·​href="gen_server_conc​epts.​html#idm1402310087864​32">Asynchronous·​Requests·​-​·​Cast</​a></​li>
70 <li·​title="Stopping"><a·​href="gen_server_conc​epts.​html#idm1397214738923​52">Stopping</​a></​li> 70 <li·​title="Stopping"><a·​href="gen_server_conc​epts.​html#idm1402310090753​76">Stopping</​a></​li>
71 <li·​title="Handling·​Other·​Messages"><a·​href="gen_server_conc​epts.​html#idm1397214739025​12">Handling·​Other·​Messages</​a></​li> 71 <li·​title="Handling·​Other·​Messages"><a·​href="gen_server_conc​epts.​html#idm1402310086217​44">Handling·​Other·​Messages</​a></​li>
72 </​ul> 72 </​ul>
73 </​li> 73 </​li>
74 <li·​id="no"·​title="Gen_Fsm·​Behaviour"·​expanded="false">Gen_​Fsm·​Behaviour<ul> 74 <li·​id="no"·​title="Gen_Fsm·​Behaviour"·​expanded="false">Gen_​Fsm·​Behaviour<ul>
75 <li><a·​href="fsm.​html"> 75 <li><a·​href="fsm.​html">
76 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 76 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
77 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 77 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
78 <li·​title="Finite·​State·​Machines"><a·​href="fsm.​html#idm1397214739128​16">Finite·​State·​Machines</​a></​li> 78 <li·​title="Finite·​State·​Machines"><a·​href="fsm.​html#idm1402310090907​52">Finite·​State·​Machines</​a></​li>
79 <li·​title="Example"><a·​href="fsm.​html#idm1397214744873​28">Example</​a></​li> 79 <li·​title="Example"><a·​href="fsm.​html#idm1402310087992​48">Example</​a></​li>
80 <li·​title="Starting·​a·​Gen_Fsm"><a·​href="fsm.​html#idm1397214737307​36">Starting·​a·​Gen_Fsm</​a></​li> 80 <li·​title="Starting·​a·​Gen_Fsm"><a·​href="fsm.​html#idm1402310095516​00">Starting·​a·​Gen_Fsm</​a></​li>
81 <li·​title="Notifying·​About·​Events"><a·​href="fsm.​html#idm1397214737268​48">Notifying·​About·​Events</​a></​li> 81 <li·​title="Notifying·​About·​Events"><a·​href="fsm.​html#idm1402310091153​60">Notifying·​About·​Events</​a></​li>
82 <li·​title="Timeouts"><a·​href="fsm.​html#idm1397214745703​04">Timeouts</​a></​li> 82 <li·​title="Timeouts"><a·​href="fsm.​html#idm1402310098085​44">Timeouts</​a></​li>
83 <li·​title="All·​State·​Events"><a·​href="fsm.​html#idm1397214746614​08">All·​State·​Events</​a></​li> 83 <li·​title="All·​State·​Events"><a·​href="fsm.​html#idm1402310093031​52">All·​State·​Events</​a></​li>
84 <li·​title="Stopping"><a·​href="fsm.​html#idm1397214746854​40">Stopping</​a></​li> 84 <li·​title="Stopping"><a·​href="fsm.​html#idm1402310089129​76">Stopping</​a></​li>
85 <li·​title="Handling·​Other·​Messages"><a·​href="fsm.​html#idm1397214740112​00">Handling·​Other·​Messages</​a></​li> 85 <li·​title="Handling·​Other·​Messages"><a·​href="fsm.​html#idm1402310084326​88">Handling·​Other·​Messages</​a></​li>
86 </​ul> 86 </​ul>
87 </​li> 87 </​li>
88 <li·​id="no"·​title="Gen_Event·​Behaviour"·​expanded="false">Gen_​Event·​Behaviour<ul> 88 <li·​id="no"·​title="Gen_Event·​Behaviour"·​expanded="false">Gen_​Event·​Behaviour<ul>
89 <li><a·​href="events.​html"> 89 <li><a·​href="events.​html">
90 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 90 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
91 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 91 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
92 <li·​title="Event·​Handling·​Principles"><a·​href="events.​html#idm1397214751144​00">Event·​Handling·​Principles</​a></​li> 92 <li·​title="Event·​Handling·​Principles"><a·​href="events.​html#idm1402310091793​92">Event·​Handling·​Principles</​a></​li>
93 <li·​title="Example"><a·​href="events.​html#idm1397214738065​60">Example</​a></​li> 93 <li·​title="Example"><a·​href="events.​html#idm1402310084171​52">Example</​a></​li>
94 <li·​title="Starting·​an·​Event·​Manager"><a·​href="events.​html#idm1397214738025​44">Starting·​an·​Event·​Manager</​a></​li> 94 <li·​title="Starting·​an·​Event·​Manager"><a·​href="events.​html#idm1402310084131​36">Starting·​an·​Event·​Manager</​a></​li>
95 <li·​title="Adding·​an·​Event·​Handler"><a·​href="events.​html#idm1397214747192​64">Adding·​an·​Event·​Handler</​a></​li> 95 <li·​title="Adding·​an·​Event·​Handler"><a·​href="events.​html#idm1402310093887​52">Adding·​an·​Event·​Handler</​a></​li>
96 <li·​title="Notifying·​About·​Events"><a·​href="events.​html#idm1397214738881​76">Notifying·​About·​Events</​a></​li> 96 <li·​title="Notifying·​About·​Events"><a·​href="events.​html#idm1402310087285​12">Notifying·​About·​Events</​a></​li>
97 <li·​title="Deleting·​an·​Event·​Handler"><a·​href="events.​html#idm1397214738804​00">Deleting·​an·​Event·​Handler</​a></​li> 97 <li·​title="Deleting·​an·​Event·​Handler"><a·​href="events.​html#idm1402310087207​36">Deleting·​an·​Event·​Handler</​a></​li>
98 <li·​title="Stopping"><a·​href="events.​html#idm1397214738724​64">Stopping</​a></​li> 98 <li·​title="Stopping"><a·​href="events.​html#idm1402310086894​08">Stopping</​a></​li>
99 <li·​title="Handling·​Other·​Messages"><a·​href="events.​html#idm1397214738663​04">Handling·​Other·​Messages</​a></​li> 99 <li·​title="Handling·​Other·​Messages"><a·​href="events.​html#idm1402310086832​48">Handling·​Other·​Messages</​a></​li>
100 </​ul> 100 </​ul>
101 </​li> 101 </​li>
102 <li·​id="no"·​title="Supervisor·​Behaviour"·​expanded="false">Supe​rvisor·​Behaviour<ul> 102 <li·​id="no"·​title="Supervisor·​Behaviour"·​expanded="false">Supe​rvisor·​Behaviour<ul>
103 <li><a·​href="sup_princ.​html"> 103 <li><a·​href="sup_princ.​html">
104 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 104 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
105 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 105 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
106 <li·​title="Supervision·​Principles"><a·​href="sup_princ.​html#idm1397214734009​44">Supervision·​Principles</​a></​li> 106 <li·​title="Supervision·​Principles"><a·​href="sup_princ.​html#idm1402310082917​44">Supervision·​Principles</​a></​li>
107 <li·​title="Example"><a·​href="sup_princ.​html#idm1397214733982​56">Example</​a></​li> 107 <li·​title="Example"><a·​href="sup_princ.​html#idm1402310096825​28">Example</​a></​li>
108 <li·​title="Restart·​Strategy"><a·​href="sup_princ.​html#idm1397214733907​20">Restart·​Strategy</​a></​li> 108 <li·​title="Restart·​Strategy"><a·​href="sup_princ.​html#idm1402310096296​32">Restart·​Strategy</​a></​li>
109 <li·​title="Maximum·​Restart·​Frequency"><a·​href="sup_princ.​html#idm1397214733820​32">Maximum·​Restart·​Frequency</​a></​li> 109 <li·​title="Maximum·​Restart·​Frequency"><a·​href="sup_princ.​html#idm1402310088963​68">Maximum·​Restart·​Frequency</​a></​li>
110 <li·​title="Child·​Specification"><a·​href="sup_princ.​html#idm1397214741044​48">Child·​Specification</​a></​li> 110 <li·​title="Child·​Specification"><a·​href="sup_princ.​html#idm1402310082857​44">Child·​Specification</​a></​li>
111 <li·​title="Starting·​a·​Supervisor"><a·​href="sup_princ.​html#idm1397214733595​20">Starting·​a·​Supervisor</​a></​li> 111 <li·​title="Starting·​a·​Supervisor"><a·​href="sup_princ.​html#idm1402310082533​28">Starting·​a·​Supervisor</​a></​li>
112 <li·​title="Adding·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1397214733484​00">Adding·​a·​Child·​Process</​a></​li> 112 <li·​title="Adding·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1402310082422​08">Adding·​a·​Child·​Process</​a></​li>
113 <li·​title="Stopping·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1397214733440​16">Stopping·​a·​Child·​Process</​a></​li> 113 <li·​title="Stopping·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1402310082378​24">Stopping·​a·​Child·​Process</​a></​li>
114 <li·​title="Simple-​One-​For-​One·​Supervisors"><a·​href="sup_princ.​html#idm1397214733392​48">Simple-​One-​For-​One·​Supervisors</​a></​li> 114 <li·​title="Simple-​One-​For-​One·​Supervisors"><a·​href="sup_princ.​html#idm1402310082330​24">Simple-​One-​For-​One·​Supervisors</​a></​li>
115 <li·​title="Stopping"><a·​href="sup_princ.​html#idm1397214733269​76">Stopping</​a></​li> 115 <li·​title="Stopping"><a·​href="sup_princ.​html#idm1402310082180​80">Stopping</​a></​li>
116 </​ul> 116 </​ul>
117 </​li> 117 </​li>
118 <li·​id="no"·​title="Sys·​and·​Proc_Lib"·​expanded="false">Sys·​and·​Proc_Lib<ul> 118 <li·​id="no"·​title="Sys·​and·​Proc_Lib"·​expanded="false">Sys·​and·​Proc_Lib<ul>
119 <li><a·​href="spec_proc.​html"> 119 <li><a·​href="spec_proc.​html">
120 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 120 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
121 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 121 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
122 <li·​title="Simple·​Debugging"><a·​href="spec_proc.​html#idm1397214733152​80">Simple·​Debugging</​a></​li> 122 <li·​title="Simple·​Debugging"><a·​href="spec_proc.​html#idm1402310082063​84">Simple·​Debugging</​a></​li>
123 <li·​title="Special·​Processes"><a·​href="spec_proc.​html#idm1397214733051​52">Special·​Processes</​a></​li> 123 <li·​title="Special·​Processes"><a·​href="spec_proc.​html#idm1402310081962​56">Special·​Processes</​a></​li>
124 <li·​title="User-​Defined·​Behaviours"><a·​href="spec_proc.​html#idm1397214732279​04">User-​Defined·​Behaviours</​a></​li> 124 <li·​title="User-​Defined·​Behaviours"><a·​href="spec_proc.​html#idm1402310081190​08">User-​Defined·​Behaviours</​a></​li>
125 </​ul> 125 </​ul>
126 </​li> 126 </​li>
127 <li·​id="no"·​title="Applications"·​expanded="false">Appl​ications<ul> 127 <li·​id="no"·​title="Applications"·​expanded="false">Appl​ications<ul>
128 <li><a·​href="applications.​html"> 128 <li><a·​href="applications.​html">
129 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 129 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
130 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 130 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
131 <li·​title="Application·​Concept"><a·​href="applications.​html#idm1397214732041​60">Application·​Concept</​a></​li> 131 <li·​title="Application·​Concept"><a·​href="applications.​html#idm1402310080952​64">Application·​Concept</​a></​li>
132 <li·​title="Application·​Callback·​Module"><a·​href="applications.​html#idm1397214731961​12">Application·​Callback·​Module</​a></​li> 132 <li·​title="Application·​Callback·​Module"><a·​href="applications.​html#idm1402310080872​16">Application·​Callback·​Module</​a></​li>
133 <li·​title="Application·​Resource·​File"><a·​href="applications.​html#idm1397214731824​32">Application·​Resource·​File</​a></​li> 133 <li·​title="Application·​Resource·​File"><a·​href="applications.​html#idm1402310080735​36">Application·​Resource·​File</​a></​li>
134 <li·​title="Directory·​Structure"><a·​href="applications.​html#idm1397214731520​96">Directory·​Structure</​a></​li> 134 <li·​title="Directory·​Structure"><a·​href="applications.​html#idm1402310080432​00">Directory·​Structure</​a></​li>
135 <li·​title="Application·​Controller"><a·​href="applications.​html#idm1397214731369​60">Application·​Controller</​a></​li> 135 <li·​title="Application·​Controller"><a·​href="applications.​html#idm1402310080280​64">Application·​Controller</​a></​li>
136 <li·​title="Loading·​and·​Unloading·​Applications"><a·​href="applications.​html#idm1397214731330​24">Loading·​and·​Unloading·​Applications</​a></​li> 136 <li·​title="Loading·​and·​Unloading·​Applications"><a·​href="applications.​html#idm1402310080241​28">Loading·​and·​Unloading·​Applications</​a></​li>
137 <li·​title="Starting·​and·​Stopping·​Applications"><a·​href="applications.​html#idm1397214731255​68">Starting·​and·​Stopping·​Applications</​a></​li> 137 <li·​title="Starting·​and·​Stopping·​Applications"><a·​href="applications.​html#idm1402310080166​72">Starting·​and·​Stopping·​Applications</​a></​li>
138 <li·​title="Configuring·​an·​Application"><a·​href="applications.​html#idm1397214731150​56">Configuring·​an·​Application</​a></​li> 138 <li·​title="Configuring·​an·​Application"><a·​href="applications.​html#idm1402310080061​60">Configuring·​an·​Application</​a></​li>
139 <li·​title="Application·​Start·​Types"><a·​href="applications.​html#idm1397214730911​20">Application·​Start·​Types</​a></​li> 139 <li·​title="Application·​Start·​Types"><a·​href="applications.​html#idm1402310079822​24">Application·​Start·​Types</​a></​li>
140 </​ul> 140 </​ul>
141 </​li> 141 </​li>
142 <li·​id="no"·​title="Included·​Applications"·​expanded="false">Incl​uded·​Applications<ul> 142 <li·​id="no"·​title="Included·​Applications"·​expanded="false">Incl​uded·​Applications<ul>
143 <li><a·​href="included_applic​ations.​html"> 143 <li><a·​href="included_applic​ations.​html">
144 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 144 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
145 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 145 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
146 <li·​title="Definition"><a​·​href="included_applic​ations.​html#idm1397214730743​52">Definition</​a></​li> 146 <li·​title="Definition"><a​·​href="included_applic​ations.​html#idm1402310079654​56">Definition</​a></​li>
147 <li·​title="Specifying·​Included·​Applications"><a·​href="included_applic​ations.​html#idm1397214730664​96">Specifying·​Included·​Applications</​a></​li> 147 <li·​title="Specifying·​Included·​Applications"><a·​href="included_applic​ations.​html#idm1402310079576​00">Specifying·​Included·​Applications</​a></​li>
148 <li·​title="Synchronizing·​Processes·​During·​Startup"><a·​href="included_applic​ations.​html#idm1397214730634​56">Synchronizing·​Processes·​During·​Startup</​a></​li> 148 <li·​title="Synchronizing·​Processes·​During·​Startup"><a·​href="included_applic​ations.​html#idm1402310079545​60">Synchronizing·​Processes·​During·​Startup</​a></​li>
149 </​ul> 149 </​ul>
150 </​li> 150 </​li>
151 <li·​id="no"·​title="Distributed·​Applications"·​expanded="false">Dist​ributed·​Applications<ul> 151 <li·​id="no"·​title="Distributed·​Applications"·​expanded="false">Dist​ributed·​Applications<ul>
152 <li><a·​href="distributed_app​lications.​html"> 152 <li><a·​href="distributed_app​lications.​html">
153 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 153 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
154 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 154 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
155 <li·​title="Definition"><a​·​href="distributed_app​lications.​html#idm1397214730378​56">Definition</​a></​li> 155 <li·​title="Definition"><a​·​href="distributed_app​lications.​html#idm1402310079289​60">Definition</​a></​li>
156 <li·​title="Specifying·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1397214730335​36">Specifying·​Distributed·​Applications</​a></​li> 156 <li·​title="Specifying·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1402310079246​40">Specifying·​Distributed·​Applications</​a></​li>
157 <li·​title="Starting·​and·​Stopping·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1397214730087​68">Starting·​and·​Stopping·​Distributed·​Applications</​a></​li> 157 <li·​title="Starting·​and·​Stopping·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1402310078998​72">Starting·​and·​Stopping·​Distributed·​Applications</​a></​li>
158 <li·​title="Failover"><a·​href="distributed_app​lications.​html#idm1397214729965​28">Failover</​a></​li> 158 <li·​title="Failover"><a·​href="distributed_app​lications.​html#idm1402310078876​32">Failover</​a></​li>
159 <li·​title="Takeover"><a·​href="distributed_app​lications.​html#idm1397214729794​56">Takeover</​a></​li> 159 <li·​title="Takeover"><a·​href="distributed_app​lications.​html#idm1402310078705​60">Takeover</​a></​li>
160 </​ul> 160 </​ul>
161 </​li> 161 </​li>
162 <li·​id="no"·​title="Releases"·​expanded="false">Rele​ases<ul> 162 <li·​id="no"·​title="Releases"·​expanded="false">Rele​ases<ul>
163 <li><a·​href="release_structu​re.​html"> 163 <li><a·​href="release_structu​re.​html">
164 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 164 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
165 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 165 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
166 <li·​title="Release·​Concept"><a·​href="release_structu​re.​html#idm1397214729560​16">Release·​Concept</​a></​li> 166 <li·​title="Release·​Concept"><a·​href="release_structu​re.​html#idm1402310078471​20">Release·​Concept</​a></​li>
167 <li·​title="Release·​Resource·​File"><a·​href="release_structu​re.​html#idm1397214729497​12">Release·​Resource·​File</​a></​li> 167 <li·​title="Release·​Resource·​File"><a·​href="release_structu​re.​html#idm1402310078408​16">Release·​Resource·​File</​a></​li>
168 <li·​title="Generating·​Boot·​Scripts"><a·​href="release_structu​re.​html#idm1397214729320​00">Generating·​Boot·​Scripts</​a></​li> 168 <li·​title="Generating·​Boot·​Scripts"><a·​href="release_structu​re.​html#idm1402310078231​04">Generating·​Boot·​Scripts</​a></​li>
169 <li·​title="Creating·​a·​Release·​Package"><a·​href="release_structu​re.​html#idm1397214729207​36">Creating·​a·​Release·​Package</​a></​li> 169 <li·​title="Creating·​a·​Release·​Package"><a·​href="release_structu​re.​html#idm1402310078118​40">Creating·​a·​Release·​Package</​a></​li>
170 <li·​title="Directory·​Structure"><a·​href="release_structu​re.​html#idm1397214729029​12">Directory·​Structure</​a></​li> 170 <li·​title="Directory·​Structure"><a·​href="release_structu​re.​html#idm1402310077940​16">Directory·​Structure</​a></​li>
171 </​ul> 171 </​ul>
172 </​li> 172 </​li>
173 <li·​id="no"·​title="Release·​Handling"·​expanded="false">Rele​ase·​Handling<ul> 173 <li·​id="no"·​title="Release·​Handling"·​expanded="false">Rele​ase·​Handling<ul>
174 <li><a·​href="release_handlin​g.​html"> 174 <li><a·​href="release_handlin​g.​html">
175 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 175 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
176 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 176 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
177 <li·​title="Release·​Handling·​Principles"><a·​href="release_handlin​g.​html#idm1397214728725​44">Release·​Handling·​Principles</​a></​li> 177 <li·​title="Release·​Handling·​Principles"><a·​href="release_handlin​g.​html#idm1402310077636​48">Release·​Handling·​Principles</​a></​li>
178 <li·​title="Requirements">​<a·​href="release_handlin​g.​html#idm1397214728431​84">Requirements</​a></​li> 178 <li·​title="Requirements">​<a·​href="release_handlin​g.​html#idm1402310077342​88">Requirements</​a></​li>
179 <li·​title="Distributed·​Systems"><a·​href="release_handlin​g.​html#idm1397214728320​48">Distributed·​Systems</​a></​li> 179 <li·​title="Distributed·​Systems"><a·​href="release_handlin​g.​html#idm1402310077231​52">Distributed·​Systems</​a></​li>
180 <li·​title="Release·​Handling·​Instructions"><a·​href="release_handlin​g.​html#idm1397214728288​80">Release·​Handling·​Instructions</​a></​li> 180 <li·​title="Release·​Handling·​Instructions"><a·​href="release_handlin​g.​html#idm1402310077199​84">Release·​Handling·​Instructions</​a></​li>
181 <li·​title="Application·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1397214727656​64">Application·​Upgrade·​File</​a></​li> 181 <li·​title="Application·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1402310076567​68">Application·​Upgrade·​File</​a></​li>
182 <li·​title="Release·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1397214727438​24">Release·​Upgrade·​File</​a></​li> 182 <li·​title="Release·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1402310076349​28">Release·​Upgrade·​File</​a></​li>
183 <li·​title="Installing·​a·​Release"><a·​href="release_handlin​g.​html#idm1397214727250​88">Installing·​a·​Release</​a></​li> 183 <li·​title="Installing·​a·​Release"><a·​href="release_handlin​g.​html#idm1402310076161​92">Installing·​a·​Release</​a></​li>
184 <li·​title="Updating·​Application·​Specifications"><a·​href="release_handlin​g.​html#idm1397214726686​08">Updating·​Application·​Specifications</​a></​li> 184 <li·​title="Updating·​Application·​Specifications"><a·​href="release_handlin​g.​html#idm1402310075597​12">Updating·​Application·​Specifications</​a></​li>
185 </​ul> 185 </​ul>
186 </​li> 186 </​li>
187 <li·​id="no"·​title="Appup·​Cookbook"·​expanded="false">Appu​p·​Cookbook<ul> 187 <li·​id="no"·​title="Appup·​Cookbook"·​expanded="false">Appu​p·​Cookbook<ul>
188 <li><a·​href="appup_cookbook.​html"> 188 <li><a·​href="appup_cookbook.​html">
189 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 189 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
190 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 190 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
191 <li·​title="Changing·​a·​Functional·​Module"><a·​href="appup_cookbook.​html#idm1397214726465​28">Changing·​a·​Functional·​Module</​a></​li> 191 <li·​title="Changing·​a·​Functional·​Module"><a·​href="appup_cookbook.​html#idm1402310075376​32">Changing·​a·​Functional·​Module</​a></​li>
192 <li·​title="Changing·​a·​Residence·​Module"><a·​href="appup_cookbook.​html#idm1397214726437​92">Changing·​a·​Residence·​Module</​a></​li> 192 <li·​title="Changing·​a·​Residence·​Module"><a·​href="appup_cookbook.​html#idm1402310075348​96">Changing·​a·​Residence·​Module</​a></​li>
193 <li·​title="Changing·​a·​Callback·​Module"><a·​href="appup_cookbook.​html#idm1397214726391​36">Changing·​a·​Callback·​Module</​a></​li> 193 <li·​title="Changing·​a·​Callback·​Module"><a·​href="appup_cookbook.​html#idm1402310075302​40">Changing·​a·​Callback·​Module</​a></​li>
194 <li·​title="Changing·​Internal·​State"><a·​href="appup_cookbook.​html#idm1397214726330​08">Changing·​Internal·​State</​a></​li> 194 <li·​title="Changing·​Internal·​State"><a·​href="appup_cookbook.​html#idm1402310075241​12">Changing·​Internal·​State</​a></​li>
195 <li·​title="Module·​Dependencies"><a·​href="appup_cookbook.​html#idm1397214726168​64">Module·​Dependencies</​a></​li> 195 <li·​title="Module·​Dependencies"><a·​href="appup_cookbook.​html#idm1402310075079​68">Module·​Dependencies</​a></​li>
196 <li·​title="Changing·​Code·​For·​a·​Special·​Process"><a·​href="appup_cookbook.​html#idm1397214725963​84">Changing·​Code·​For·​a·​Special·​Process</​a></​li> 196 <li·​title="Changing·​Code·​For·​a·​Special·​Process"><a·​href="appup_cookbook.​html#idm1402310074874​88">Changing·​Code·​For·​a·​Special·​Process</​a></​li>
197 <li·​title="Changing·​a·​Supervisor"><a·​href="appup_cookbook.​html#idm1397214725763​68">Changing·​a·​Supervisor</​a></​li> 197 <li·​title="Changing·​a·​Supervisor"><a·​href="appup_cookbook.​html#idm1402310074674​72">Changing·​a·​Supervisor</​a></​li>
198 <li·​title="Adding·​or·​Deleting·​a·​Module"><a·​href="appup_cookbook.​html#idm1397214725468​64">Adding·​or·​Deleting·​a·​Module</​a></​li> 198 <li·​title="Adding·​or·​Deleting·​a·​Module"><a·​href="appup_cookbook.​html#idm1402310074379​68">Adding·​or·​Deleting·​a·​Module</​a></​li>
199 <li·​title="Starting·​or·​Terminating·​a·​Process"><a·​href="appup_cookbook.​html#idm1397214725438​24">Starting·​or·​Terminating·​a·​Process</​a></​li> 199 <li·​title="Starting·​or·​Terminating·​a·​Process"><a·​href="appup_cookbook.​html#idm1402310074349​28">Starting·​or·​Terminating·​a·​Process</​a></​li>
200 <li·​title="Adding·​or·​Removing·​an·​Application"><a·​href="appup_cookbook.​html#idm1397214725416​00">Adding·​or·​Removing·​an·​Application</​a></​li> 200 <li·​title="Adding·​or·​Removing·​an·​Application"><a·​href="appup_cookbook.​html#idm1402310074327​04">Adding·​or·​Removing·​an·​Application</​a></​li>
201 <li·​title="Restarting·​an·​Application"><a·​href="appup_cookbook.​html#idm1397214725379​20">Restarting·​an·​Application</​a></​li> 201 <li·​title="Restarting·​an·​Application"><a·​href="appup_cookbook.​html#idm1402310074290​24">Restarting·​an·​Application</​a></​li>
202 <li·​title="Changing·​an·​Application·​Specification"><a·​href="appup_cookbook.​html#idm1397214725328​64">Changing·​an·​Application·​Specification</​a></​li> 202 <li·​title="Changing·​an·​Application·​Specification"><a·​href="appup_cookbook.​html#idm1402310074239​68">Changing·​an·​Application·​Specification</​a></​li>
203 <li·​title="Changing·​Application·​Configuration"><a·​href="appup_cookbook.​html#idm1397214725300​00">Changing·​Application·​Configuration</​a></​li> 203 <li·​title="Changing·​Application·​Configuration"><a·​href="appup_cookbook.​html#idm1402310074211​04">Changing·​Application·​Configuration</​a></​li>
204 <li·​title="Changing·​Included·​Applications"><a·​href="appup_cookbook.​html#idm1397214725259​84">Changing·​Included·​Applications</​a></​li> 204 <li·​title="Changing·​Included·​Applications"><a·​href="appup_cookbook.​html#idm1402310074170​88">Changing·​Included·​Applications</​a></​li>
205 <li·​title="Changing·​Non-​Erlang·​Code"><a·​href="appup_cookbook.​html#idm1397214724972​00">Changing·​Non-​Erlang·​Code</​a></​li> 205 <li·​title="Changing·​Non-​Erlang·​Code"><a·​href="appup_cookbook.​html#idm1402310073883​04">Changing·​Non-​Erlang·​Code</​a></​li>
206 <li·​title="Emulator·​Restart·​and·​Upgrade"><a·​href="appup_cookbook.​html#idm1397214724870​56">Emulator·​Restart·​and·​Upgrade</​a></​li> 206 <li·​title="Emulator·​Restart·​and·​Upgrade"><a·​href="appup_cookbook.​html#idm1402310073781​60">Emulator·​Restart·​and·​Upgrade</​a></​li>
207 <li·​title="Emulator·​Upgrade·​from·​pre·​OTP·​R15"><a·​href="appup_cookbook.​html#idm1397214724778​72">Emulator·​Upgrade·​from·​pre·​OTP·​R15</​a></​li> 207 <li·​title="Emulator·​Upgrade·​from·​pre·​OTP·​R15"><a·​href="appup_cookbook.​html#idm1402310073689​76">Emulator·​Upgrade·​from·​pre·​OTP·​R15</​a></​li>
208 </​ul> 208 </​ul>
209 </​li> 209 </​li>
210 </​ul> 210 </​ul>
211 </​div></​div> 211 </​div></​div>
212 <div·​id="content"> 212 <div·​id="content">
213 <div·​class="innertube"> 213 <div·​class="innertube">
214 <h1>2 Gen_Server·​Behaviour</​h1> 214 <h1>2 Gen_Server·​Behaviour</​h1>
215 ·​·​ 215 ·​·​
216 ·​·​<a·​name="gen_server"></​a> 216 ·​·​<a·​name="gen_server"></​a>
217 ·​·​<p>This·​chapter·​should·​be·​read·​in·​conjunction·​with 217 ·​·​<p>This·​chapter·​should·​be·​read·​in·​conjunction·​with
218 ·​·​·​·​<span·​class="bold_code"><a·​href="javascript:​erlhref('.​.​/​.​.​/​',​'stdlib',​'gen_server.​html')​;​">gen_server(3)​</​a></​span>,​ 218 ·​·​·​·​<span·​class="bold_code"><a·​href="javascript:​erlhref('.​.​/​.​.​/​',​'stdlib',​'gen_server.​html')​;​">gen_server(3)​</​a></​span>,​
219 ·​·​·​·​where·​all·​interface·​functions·​and·​callback 219 ·​·​·​·​where·​all·​interface·​functions·​and·​callback
220 ·​·​·​·​functions·​are·​described·​in·​detail.​</​p> 220 ·​·​·​·​functions·​are·​described·​in·​detail.​</​p>
   
221 ·​·​<h3><a·​name="idm139721473990​384">2.​1  221 ·​·​<h3><a·​name="idm140231008770​128">2.​1 
222 ·​·​·​·​·​·​·​·​Client-​Server·​Principles</​a></​h3> 222 ·​·​·​·​·​·​·​·​Client-​Server·​Principles</​a></​h3>
223 ·​·​·​·​ 223 ·​·​·​·​
224 ·​·​·​·​<p>The·​client-​server·​model·​is·​characterized·​by·​a·​central·​server 224 ·​·​·​·​<p>The·​client-​server·​model·​is·​characterized·​by·​a·​central·​server
225 ·​·​·​·​·​·​and·​an·​arbitrary·​number·​of·​clients.​·​The·​client-​server·​model·​is 225 ·​·​·​·​·​·​and·​an·​arbitrary·​number·​of·​clients.​·​The·​client-​server·​model·​is
226 ·​·​·​·​·​·​generally·​used·​for·​resource·​management·​operations,​·​where·​several 226 ·​·​·​·​·​·​generally·​used·​for·​resource·​management·​operations,​·​where·​several
227 ·​·​·​·​·​·​different·​clients·​want·​to·​share·​a·​common·​resource.​·​The·​server·​is 227 ·​·​·​·​·​·​different·​clients·​want·​to·​share·​a·​common·​resource.​·​The·​server·​is
228 ·​·​·​·​·​·​responsible·​for·​managing·​this·​resource.​</​p> 228 ·​·​·​·​·​·​responsible·​for·​managing·​this·​resource.​</​p>
Offset 232, 15 lines modified Offset 232, 15 lines modified
232 ·​·​·​·​·​·​<em>Figure 232 ·​·​·​·​·​·​<em>Figure
233 ·​·​·​·​·​·​·​·​2.​1:​ 233 ·​·​·​·​·​·​·​·​2.​1:​
234 ·​·​·​·​·​·​·​·​  234 ·​·​·​·​·​·​·​·​ 
235 ·​·​·​·​·​·​·​·​Client-​Server·​Model</​em> 235 ·​·​·​·​·​·​·​·​Client-​Server·​Model</​em>
236 ·​·​·​·​ 236 ·​·​·​·​
237 ·​·​ 237 ·​·​
   
238 ·​·​<h3><a·​name="idm139721473993​792">2.​2  238 ·​·​<h3><a·​name="idm140231008697​632">2.​2 
239 ·​·​·​·​·​·​·​·​Example</​a></​h3> 239 ·​·​·​·​·​·​·​·​Example</​a></​h3>
240 ·​·​·​·​ 240 ·​·​·​·​
241 ·​·​·​·​<p>An·​example·​of·​a·​simple·​server·​written·​in·​plain·​Erlang·​was 241 ·​·​·​·​<p>An·​example·​of·​a·​simple·​server·​written·​in·​plain·​Erlang·​was
242 ·​·​·​·​·​·​given·​in·​<span·​class="bold_code"><a·​href="des_princ.​html#ch1">Overview</​a></​span>.​ 242 ·​·​·​·​·​·​given·​in·​<span·​class="bold_code"><a·​href="des_princ.​html#ch1">Overview</​a></​span>.​
243 ·​·​·​·​·​·​The·​server·​can·​be·​re-​implemented·​using·​<span·​class="code">gen_serv​er</​span>,​ 243 ·​·​·​·​·​·​The·​server·​can·​be·​re-​implemented·​using·​<span·​class="code">gen_serv​er</​span>,​
244 ·​·​·​·​·​·​resulting·​in·​this·​callback·​module:​</​p> 244 ·​·​·​·​·​·​resulting·​in·​this·​callback·​module:​</​p>
245 ·​·​·​·​<a·​name="ex"></​a> 245 ·​·​·​·​<a·​name="ex"></​a>
Offset 270, 15 lines modified Offset 270, 15 lines modified
   
270 handle_cast({free,​·​Ch},​·​Chs)​·​-​&gt;​ 270 handle_cast({free,​·​Ch},​·​Chs)​·​-​&gt;​
271 ·​·​·​·​Chs2·​=·​free(Ch,​·​Chs)​,​ 271 ·​·​·​·​Chs2·​=·​free(Ch,​·​Chs)​,​
272 ·​·​·​·​{noreply,​·​Chs2}.​</​pre></​div> 272 ·​·​·​·​{noreply,​·​Chs2}.​</​pre></​div>
273 ·​·​·​·​<p>The·​code·​is·​explained·​in·​the·​next·​sections.​</​p> 273 ·​·​·​·​<p>The·​code·​is·​explained·​in·​the·​next·​sections.​</​p>
274 ·​·​ 274 ·​·​
   
275 ·​·​<h3><a·​name="idm139721473998​160">2.​3  275 ·​·​<h3><a·​name="idm140231008702​000">2.​3 
276 ·​·​·​·​·​·​·​·​Starting·​a·​Gen_Server</​a></​h3> 276 ·​·​·​·​·​·​·​·​Starting·​a·​Gen_Server</​a></​h3>
277 ·​·​·​·​ 277 ·​·​·​·​
278 ·​·​·​·​<p>In·​the·​example·​in·​the·​previous·​section,​·​the·​gen_server·​is·​started 278 ·​·​·​·​<p>In·​the·​example·​in·​the·​previous·​section,​·​the·​gen_server·​is·​started
279 ·​·​·​·​·​·​by·​calling·​<span·​class="code">ch3:​start_link()​</​span>:​</​p> 279 ·​·​·​·​·​·​by·​calling·​<span·​class="code">ch3:​start_link()​</​span>:​</​p>
280 ·​·​·​·​<div·​class="example"><pre>​ 280 ·​·​·​·​<div·​class="example"><pre>​
281 start_link()​·​-​&gt;​ 281 start_link()​·​-​&gt;​
282 ·​·​·​·​gen_server:​start_link({local,​·​ch3},​·​ch3,​·​[],​·​[])​·​=&gt;​·​{ok,​·​Pid}</​pre></​div> 282 ·​·​·​·​gen_server:​start_link({local,​·​ch3},​·​ch3,​·​[],​·​[])​·​=&gt;​·​{ok,​·​Pid}</​pre></​div>
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330 ·​·​·​·​<p><span·​class="code">gen_serv​er:​start_link</​span>·​must·​be·​used·​if·​the·​gen_server·​is 330 ·​·​·​·​<p><span·​class="code">gen_serv​er:​start_link</​span>·​must·​be·​used·​if·​the·​gen_server·​is
331 ·​·​·​·​·​·​part·​of·​a·​supervision·​tree,​·​i.​e.​·​is·​started·​by·​a·​supervisor.​ 331 ·​·​·​·​·​·​part·​of·​a·​supervision·​tree,​·​i.​e.​·​is·​started·​by·​a·​supervisor.​
332 ·​·​·​·​·​·​There·​is·​another·​function·​<span·​class="code">gen_serv​er:​start</​span>·​to·​start·​a 332 ·​·​·​·​·​·​There·​is·​another·​function·​<span·​class="code">gen_serv​er:​start</​span>·​to·​start·​a
333 ·​·​·​·​·​·​stand-​alone·​gen_server,​·​i.​e.​·​a·​gen_server·​which·​is·​not·​part·​of·​a 333 ·​·​·​·​·​·​stand-​alone·​gen_server,​·​i.​e.​·​a·​gen_server·​which·​is·​not·​part·​of·​a
334 ·​·​·​·​·​·​supervision·​tree.​</​p> 334 ·​·​·​·​·​·​supervision·​tree.​</​p>
335 ·​·​ 335 ·​·​
   
336 ·​·​<h3><a·​name="idm139721473766​992">2.​4  336 ·​·​<h3><a·​name="idm140231008776​224">2.​4 
337 ·​·​·​·​·​·​·​·​Synchronous·​Requests·​-​·​Call</​a></​h3> 337 ·​·​·​·​·​·​·​·​Synchronous·​Requests·​-​·​Call</​a></​h3>
338 ·​·​·​·​ 338 ·​·​·​·​
339 ·​·​·​·​<p>The·​synchronous·​request·​<span·​class="code">alloc()​</​span>·​is·​implemented·​using 339 ·​·​·​·​<p>The·​synchronous·​request·​<span·​class="code">alloc()​</​span>·​is·​implemented·​using
340 ·​·​·​·​·​·​<span·​class="code">gen_serv​er:​call/​2</​span>:​</​p> 340 ·​·​·​·​·​·​<span·​class="code">gen_serv​er:​call/​2</​span>:​</​p>
341 ·​·​·​·​<div·​class="example"><pre>​ 341 ·​·​·​·​<div·​class="example"><pre>​
342 alloc()​·​-​&gt;​ 342 alloc()​·​-​&gt;​
343 ·​·​·​·​gen_server:​call(ch3,​·​alloc)​.​</​pre></​div> 343 ·​·​·​·​gen_server:​call(ch3,​·​alloc)​.​</​pre></​div>
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358 ·​·​·​·​·​·​the·​new·​state·​is·​the·​set·​of·​remaining·​available·​channels 358 ·​·​·​·​·​·​the·​new·​state·​is·​the·​set·​of·​remaining·​available·​channels
359 ·​·​·​·​·​·​<span·​class="code">Chs2</​span>.​</​p> 359 ·​·​·​·​·​·​<span·​class="code">Chs2</​span>.​</​p>
360 ·​·​·​·​<p>Thus,​·​the·​call·​<span·​class="code">ch3:​alloc()​</​span>·​returns·​the·​allocated·​channel 360 ·​·​·​·​<p>Thus,​·​the·​call·​<span·​class="code">ch3:​alloc()​</​span>·​returns·​the·​allocated·​channel
361 ·​·​·​·​·​·​<span·​class="code">Ch</​span>·​and·​the·​gen_server·​then·​waits·​for·​new·​requests,​·​now 361 ·​·​·​·​·​·​<span·​class="code">Ch</​span>·​and·​the·​gen_server·​then·​waits·​for·​new·​requests,​·​now
362 ·​·​·​·​·​·​with·​an·​updated·​list·​of·​available·​channels.​</​p> 362 ·​·​·​·​·​·​with·​an·​updated·​list·​of·​available·​channels.​</​p>
363 ·​·​ 363 ·​·​
   
364 ·​·​<h3><a·​name="idm139721474022​864">2.​5  364 ·​·​<h3><a·​name="idm140231008786​432">2.​5 
365 ·​·​·​·​·​·​·​·​Asynchronous·​Requests·​-​·​Cast</​a></​h3> 365 ·​·​·​·​·​·​·​·​Asynchronous·​Requests·​-​·​Cast</​a></​h3>
366 ·​·​·​·​ 366 ·​·​·​·​
367 ·​·​·​·​<p>The·​asynchronous·​request·​<span·​class="code">free(Ch)​</​span>·​is·​implemented·​using 367 ·​·​·​·​<p>The·​asynchronous·​request·​<span·​class="code">free(Ch)​</​span>·​is·​implemented·​using
368 ·​·​·​·​·​·​<span·​class="code">gen_serv​er:​cast/​2</​span>:​</​p> 368 ·​·​·​·​·​·​<span·​class="code">gen_serv​er:​cast/​2</​span>:​</​p>
369 ·​·​·​·​<div·​class="example"><pre>​ 369 ·​·​·​·​<div·​class="example"><pre>​
370 free(Ch)​·​-​&gt;​ 370 free(Ch)​·​-​&gt;​
371 ·​·​·​·​gen_server:​cast(ch3,​·​{free,​·​Ch})​.​</​pre></​div> 371 ·​·​·​·​gen_server:​cast(ch3,​·​{free,​·​Ch})​.​</​pre></​div>
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383 ·​·​·​·​Chs2·​=·​free(Ch,​·​Chs)​,​ 383 ·​·​·​·​Chs2·​=·​free(Ch,​·​Chs)​,​
384 ·​·​·​·​{noreply,​·​Chs2}.​</​pre></​div> 384 ·​·​·​·​{noreply,​·​Chs2}.​</​pre></​div>
385 ·​·​·​·​<p>In·​this·​case,​·​the·​new·​state·​is·​the·​updated·​list·​of·​available 385 ·​·​·​·​<p>In·​this·​case,​·​the·​new·​state·​is·​the·​updated·​list·​of·​available
386 ·​·​·​·​·​·​channels·​<span·​class="code">Chs2</​span>.​·​The·​gen_server·​is·​now·​ready·​for·​new 386 ·​·​·​·​·​·​channels·​<span·​class="code">Chs2</​span>.​·​The·​gen_server·​is·​now·​ready·​for·​new
387 ·​·​·​·​·​·​requests.​</​p> 387 ·​·​·​·​·​·​requests.​</​p>
388 ·​·​ 388 ·​·​
   
389 ·​·​<h3><a·​name="idm139721473892​352">2.​6  389 ·​·​<h3><a·​name="idm140231009075​376">2.​6 
390 ·​·​·​·​·​·​·​·​Stopping</​a></​h3> 390 ·​·​·​·​·​·​·​·​Stopping</​a></​h3>
391 ·​·​·​·​ 391 ·​·​·​·​
   
392 ·​·​·​·​<h4>In·​a·​Supervision·​Tree</​h4> 392 ·​·​·​·​<h4>In·​a·​Supervision·​Tree</​h4>
393 ·​·​·​·​·​·​ 393 ·​·​·​·​·​·​
394 ·​·​·​·​·​·​<p>If·​the·​gen_server·​is·​part·​of·​a·​supervision·​tree,​·​no·​stop 394 ·​·​·​·​·​·​<p>If·​the·​gen_server·​is·​part·​of·​a·​supervision·​tree,​·​no·​stop
395 ·​·​·​·​·​·​·​·​function·​is·​needed.​·​The·​gen_server·​will·​automatically·​be 395 ·​·​·​·​·​·​·​·​function·​is·​needed.​·​The·​gen_server·​will·​automatically·​be
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443 ·​·​·​·​·​·​·​·​specifies·​that·​it·​is·​a·​normal·​termination·​and·​<span·​class="code">State1</​span>·​is 443 ·​·​·​·​·​·​·​·​specifies·​that·​it·​is·​a·​normal·​termination·​and·​<span·​class="code">State1</​span>·​is
444 ·​·​·​·​·​·​·​·​a·​new·​value·​for·​the·​state·​of·​the·​gen_server.​·​This·​will·​cause 444 ·​·​·​·​·​·​·​·​a·​new·​value·​for·​the·​state·​of·​the·​gen_server.​·​This·​will·​cause
445 ·​·​·​·​·​·​·​·​the·​gen_server·​to·​call·​<span·​class="code">terminat​e(normal,​State1)​</​span>·​and·​then 445 ·​·​·​·​·​·​·​·​the·​gen_server·​to·​call·​<span·​class="code">terminat​e(normal,​State1)​</​span>·​and·​then
446 ·​·​·​·​·​·​·​·​terminate·​gracefully.​</​p> 446 ·​·​·​·​·​·​·​·​terminate·​gracefully.​</​p>
447 ·​·​·​·​ 447 ·​·​·​·​
448 ·​·​ 448 ·​·​
   
449 ·​·​<h3><a·​name="idm139721473902​512">2.​7  449 ·​·​<h3><a·​name="idm140231008621​744">2.​7 
450 ·​·​·​·​·​·​·​·​Handling·​Other·​Messages</​a></​h3> 450 ·​·​·​·​·​·​·​·​Handling·​Other·​Messages</​a></​h3>
451 ·​·​·​·​ 451 ·​·​·​·​
452 ·​·​·​·​<p>If·​the·​gen_server·​should·​be·​able·​to·​receive·​other·​messages·​than 452 ·​·​·​·​<p>If·​the·​gen_server·​should·​be·​able·​to·​receive·​other·​messages·​than
453 ·​·​·​·​·​·​requests,​·​the·​callback·​function·​<span·​class="code">handle_i​nfo(Info,​·​State)​</​span> 453 ·​·​·​·​·​·​requests,​·​the·​callback·​function·​<span·​class="code">handle_i​nfo(Info,​·​State)​</​span>
454 ·​·​·​·​·​·​must·​be·​implemented·​to·​handle·​them.​·​Examples·​of·​other·​messages 454 ·​·​·​·​·​·​must·​be·​implemented·​to·​handle·​them.​·​Examples·​of·​other·​messages
455 ·​·​·​·​·​·​are·​exit·​messages,​·​if·​the·​gen_server·​is·​linked·​to·​other·​processes 455 ·​·​·​·​·​·​are·​exit·​messages,​·​if·​the·​gen_server·​is·​linked·​to·​other·​processes
456 ·​·​·​·​·​·​(than·​the·​supervisor)​·​and·​trapping·​exit·​signals.​</​p> 456 ·​·​·​·​·​·​(than·​the·​supervisor)​·​and·​trapping·​exit·​signals.​</​p>
./usr/share/doc/erlang-17.4/doc/design_principles/included_applications.html
Offset 47, 178 lines modified Offset 47, 178 lines modified
47 <img·​alt="Erlang·​logo"·​src=".​.​/​erlang-​logo.​png"><br><small><a·​href="users_guide.​html">User's·​Guide</​a><br><a·​href=".​.​/​pdf/​otp-​system-​documentation-​6.​3.​pdf">PDF</​a><br><a·​href=".​.​/​index.​html">Top</​a></​small><p><strong>OTP·​Design·​Principles</​strong><br><strong>Us​er's·​Guide</​strong><br><small>Ver​sion·​6.​3</​small></​p> 47 <img·​alt="Erlang·​logo"·​src=".​.​/​erlang-​logo.​png"><br><small><a·​href="users_guide.​html">User's·​Guide</​a><br><a·​href=".​.​/​pdf/​otp-​system-​documentation-​6.​3.​pdf">PDF</​a><br><a·​href=".​.​/​index.​html">Top</​a></​small><p><strong>OTP·​Design·​Principles</​strong><br><strong>Us​er's·​Guide</​strong><br><small>Ver​sion·​6.​3</​small></​p>
48 <br><a·​href="javascript:​openAllFlips()​">Expand·​All</​a><br><a·​href="javascript:​closeAllFlips()​">Contract·​All</​a><p><small><strong>C​hapters</​strong></​small></​p> 48 <br><a·​href="javascript:​openAllFlips()​">Expand·​All</​a><br><a·​href="javascript:​closeAllFlips()​">Contract·​All</​a><p><small><strong>C​hapters</​strong></​small></​p>
49 <ul·​class="flipMenu"·​imagepath=".​.​/​js/​flipmenu"> 49 <ul·​class="flipMenu"·​imagepath=".​.​/​js/​flipmenu">
50 <li·​id="no"·​title="Overview"·​expanded="false">Over​view<ul> 50 <li·​id="no"·​title="Overview"·​expanded="false">Over​view<ul>
51 <li><a·​href="des_princ.​html"> 51 <li><a·​href="des_princ.​html">
52 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 52 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
53 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 53 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
54 <li·​title="Supervision·​Trees"><a·​href="des_princ.​html#idm1397214738212​96">Supervision·​Trees</​a></​li> 54 <li·​title="Supervision·​Trees"><a·​href="des_princ.​html#idm1402310086645​92">Supervision·​Trees</​a></​li>
55 <li·​title="Behaviours"><a​·​href="des_princ.​html#idm1397214738293​92">Behaviours</​a></​li> 55 <li·​title="Behaviours"><a​·​href="des_princ.​html#idm1402310086726​88">Behaviours</​a></​li>
56 <li·​title="Applications">​<a·​href="des_princ.​html#idm1397214738587​52">Applications</​a></​li> 56 <li·​title="Applications">​<a·​href="des_princ.​html#idm1402310087520​16">Applications</​a></​li>
57 <li·​title="Releases"><a·​href="des_princ.​html#idm1397214738637​44">Releases</​a></​li> 57 <li·​title="Releases"><a·​href="des_princ.​html#idm1402310087570​72">Releases</​a></​li>
58 <li·​title="Release·​Handling"><a·​href="des_princ.​html#idm1397214739808​96">Release·​Handling</​a></​li> 58 <li·​title="Release·​Handling"><a·​href="des_princ.​html#idm1402310087605​92">Release·​Handling</​a></​li>
59 </​ul> 59 </​ul>
60 </​li> 60 </​li>
61 <li·​id="no"·​title="Gen_Server·​Behaviour"·​expanded="false">Gen_​Server·​Behaviour<ul> 61 <li·​id="no"·​title="Gen_Server·​Behaviour"·​expanded="false">Gen_​Server·​Behaviour<ul>
62 <li><a·​href="gen_server_conc​epts.​html"> 62 <li><a·​href="gen_server_conc​epts.​html">
63 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 63 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
64 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 64 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
65 <li·​title="Client-​Server·​Principles"><a·​href="gen_server_conc​epts.​html#idm1397214739903​84">Client-​Server·​Principles</​a></​li> 65 <li·​title="Client-​Server·​Principles"><a·​href="gen_server_conc​epts.​html#idm1402310087701​28">Client-​Server·​Principles</​a></​li>
66 <li·​title="Example"><a·​href="gen_server_conc​epts.​html#idm1397214739937​92">Example</​a></​li> 66 <li·​title="Example"><a·​href="gen_server_conc​epts.​html#idm1402310086976​32">Example</​a></​li>
67 <li·​title="Starting·​a·​Gen_Server"><a·​href="gen_server_conc​epts.​html#idm1397214739981​60">Starting·​a·​Gen_Server</​a></​li> 67 <li·​title="Starting·​a·​Gen_Server"><a·​href="gen_server_conc​epts.​html#idm1402310087020​00">Starting·​a·​Gen_Server</​a></​li>
68 <li·​title="Synchronous·​Requests·​-​·​Call"><a·​href="gen_server_conc​epts.​html#idm1397214737669​92">Synchronous·​Requests·​-​·​Call</​a></​li> 68 <li·​title="Synchronous·​Requests·​-​·​Call"><a·​href="gen_server_conc​epts.​html#idm1402310087762​24">Synchronous·​Requests·​-​·​Call</​a></​li>
69 <li·​title="Asynchronous·​Requests·​-​·​Cast"><a·​href="gen_server_conc​epts.​html#idm1397214740228​64">Asynchronous·​Requests·​-​·​Cast</​a></​li> 69 <li·​title="Asynchronous·​Requests·​-​·​Cast"><a·​href="gen_server_conc​epts.​html#idm1402310087864​32">Asynchronous·​Requests·​-​·​Cast</​a></​li>
70 <li·​title="Stopping"><a·​href="gen_server_conc​epts.​html#idm1397214738923​52">Stopping</​a></​li> 70 <li·​title="Stopping"><a·​href="gen_server_conc​epts.​html#idm1402310090753​76">Stopping</​a></​li>
71 <li·​title="Handling·​Other·​Messages"><a·​href="gen_server_conc​epts.​html#idm1397214739025​12">Handling·​Other·​Messages</​a></​li> 71 <li·​title="Handling·​Other·​Messages"><a·​href="gen_server_conc​epts.​html#idm1402310086217​44">Handling·​Other·​Messages</​a></​li>
72 </​ul> 72 </​ul>
73 </​li> 73 </​li>
74 <li·​id="no"·​title="Gen_Fsm·​Behaviour"·​expanded="false">Gen_​Fsm·​Behaviour<ul> 74 <li·​id="no"·​title="Gen_Fsm·​Behaviour"·​expanded="false">Gen_​Fsm·​Behaviour<ul>
75 <li><a·​href="fsm.​html"> 75 <li><a·​href="fsm.​html">
76 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 76 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
77 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 77 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
78 <li·​title="Finite·​State·​Machines"><a·​href="fsm.​html#idm1397214739128​16">Finite·​State·​Machines</​a></​li> 78 <li·​title="Finite·​State·​Machines"><a·​href="fsm.​html#idm1402310090907​52">Finite·​State·​Machines</​a></​li>
79 <li·​title="Example"><a·​href="fsm.​html#idm1397214744873​28">Example</​a></​li> 79 <li·​title="Example"><a·​href="fsm.​html#idm1402310087992​48">Example</​a></​li>
80 <li·​title="Starting·​a·​Gen_Fsm"><a·​href="fsm.​html#idm1397214737307​36">Starting·​a·​Gen_Fsm</​a></​li> 80 <li·​title="Starting·​a·​Gen_Fsm"><a·​href="fsm.​html#idm1402310095516​00">Starting·​a·​Gen_Fsm</​a></​li>
81 <li·​title="Notifying·​About·​Events"><a·​href="fsm.​html#idm1397214737268​48">Notifying·​About·​Events</​a></​li> 81 <li·​title="Notifying·​About·​Events"><a·​href="fsm.​html#idm1402310091153​60">Notifying·​About·​Events</​a></​li>
82 <li·​title="Timeouts"><a·​href="fsm.​html#idm1397214745703​04">Timeouts</​a></​li> 82 <li·​title="Timeouts"><a·​href="fsm.​html#idm1402310098085​44">Timeouts</​a></​li>
83 <li·​title="All·​State·​Events"><a·​href="fsm.​html#idm1397214746614​08">All·​State·​Events</​a></​li> 83 <li·​title="All·​State·​Events"><a·​href="fsm.​html#idm1402310093031​52">All·​State·​Events</​a></​li>
84 <li·​title="Stopping"><a·​href="fsm.​html#idm1397214746854​40">Stopping</​a></​li> 84 <li·​title="Stopping"><a·​href="fsm.​html#idm1402310089129​76">Stopping</​a></​li>
85 <li·​title="Handling·​Other·​Messages"><a·​href="fsm.​html#idm1397214740112​00">Handling·​Other·​Messages</​a></​li> 85 <li·​title="Handling·​Other·​Messages"><a·​href="fsm.​html#idm1402310084326​88">Handling·​Other·​Messages</​a></​li>
86 </​ul> 86 </​ul>
87 </​li> 87 </​li>
88 <li·​id="no"·​title="Gen_Event·​Behaviour"·​expanded="false">Gen_​Event·​Behaviour<ul> 88 <li·​id="no"·​title="Gen_Event·​Behaviour"·​expanded="false">Gen_​Event·​Behaviour<ul>
89 <li><a·​href="events.​html"> 89 <li><a·​href="events.​html">
90 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 90 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
91 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 91 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
92 <li·​title="Event·​Handling·​Principles"><a·​href="events.​html#idm1397214751144​00">Event·​Handling·​Principles</​a></​li> 92 <li·​title="Event·​Handling·​Principles"><a·​href="events.​html#idm1402310091793​92">Event·​Handling·​Principles</​a></​li>
93 <li·​title="Example"><a·​href="events.​html#idm1397214738065​60">Example</​a></​li> 93 <li·​title="Example"><a·​href="events.​html#idm1402310084171​52">Example</​a></​li>
94 <li·​title="Starting·​an·​Event·​Manager"><a·​href="events.​html#idm1397214738025​44">Starting·​an·​Event·​Manager</​a></​li> 94 <li·​title="Starting·​an·​Event·​Manager"><a·​href="events.​html#idm1402310084131​36">Starting·​an·​Event·​Manager</​a></​li>
95 <li·​title="Adding·​an·​Event·​Handler"><a·​href="events.​html#idm1397214747192​64">Adding·​an·​Event·​Handler</​a></​li> 95 <li·​title="Adding·​an·​Event·​Handler"><a·​href="events.​html#idm1402310093887​52">Adding·​an·​Event·​Handler</​a></​li>
96 <li·​title="Notifying·​About·​Events"><a·​href="events.​html#idm1397214738881​76">Notifying·​About·​Events</​a></​li> 96 <li·​title="Notifying·​About·​Events"><a·​href="events.​html#idm1402310087285​12">Notifying·​About·​Events</​a></​li>
97 <li·​title="Deleting·​an·​Event·​Handler"><a·​href="events.​html#idm1397214738804​00">Deleting·​an·​Event·​Handler</​a></​li> 97 <li·​title="Deleting·​an·​Event·​Handler"><a·​href="events.​html#idm1402310087207​36">Deleting·​an·​Event·​Handler</​a></​li>
98 <li·​title="Stopping"><a·​href="events.​html#idm1397214738724​64">Stopping</​a></​li> 98 <li·​title="Stopping"><a·​href="events.​html#idm1402310086894​08">Stopping</​a></​li>
99 <li·​title="Handling·​Other·​Messages"><a·​href="events.​html#idm1397214738663​04">Handling·​Other·​Messages</​a></​li> 99 <li·​title="Handling·​Other·​Messages"><a·​href="events.​html#idm1402310086832​48">Handling·​Other·​Messages</​a></​li>
100 </​ul> 100 </​ul>
101 </​li> 101 </​li>
102 <li·​id="no"·​title="Supervisor·​Behaviour"·​expanded="false">Supe​rvisor·​Behaviour<ul> 102 <li·​id="no"·​title="Supervisor·​Behaviour"·​expanded="false">Supe​rvisor·​Behaviour<ul>
103 <li><a·​href="sup_princ.​html"> 103 <li><a·​href="sup_princ.​html">
104 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 104 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
105 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 105 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
106 <li·​title="Supervision·​Principles"><a·​href="sup_princ.​html#idm1397214734009​44">Supervision·​Principles</​a></​li> 106 <li·​title="Supervision·​Principles"><a·​href="sup_princ.​html#idm1402310082917​44">Supervision·​Principles</​a></​li>
107 <li·​title="Example"><a·​href="sup_princ.​html#idm1397214733982​56">Example</​a></​li> 107 <li·​title="Example"><a·​href="sup_princ.​html#idm1402310096825​28">Example</​a></​li>
108 <li·​title="Restart·​Strategy"><a·​href="sup_princ.​html#idm1397214733907​20">Restart·​Strategy</​a></​li> 108 <li·​title="Restart·​Strategy"><a·​href="sup_princ.​html#idm1402310096296​32">Restart·​Strategy</​a></​li>
109 <li·​title="Maximum·​Restart·​Frequency"><a·​href="sup_princ.​html#idm1397214733820​32">Maximum·​Restart·​Frequency</​a></​li> 109 <li·​title="Maximum·​Restart·​Frequency"><a·​href="sup_princ.​html#idm1402310088963​68">Maximum·​Restart·​Frequency</​a></​li>
110 <li·​title="Child·​Specification"><a·​href="sup_princ.​html#idm1397214741044​48">Child·​Specification</​a></​li> 110 <li·​title="Child·​Specification"><a·​href="sup_princ.​html#idm1402310082857​44">Child·​Specification</​a></​li>
111 <li·​title="Starting·​a·​Supervisor"><a·​href="sup_princ.​html#idm1397214733595​20">Starting·​a·​Supervisor</​a></​li> 111 <li·​title="Starting·​a·​Supervisor"><a·​href="sup_princ.​html#idm1402310082533​28">Starting·​a·​Supervisor</​a></​li>
112 <li·​title="Adding·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1397214733484​00">Adding·​a·​Child·​Process</​a></​li> 112 <li·​title="Adding·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1402310082422​08">Adding·​a·​Child·​Process</​a></​li>
113 <li·​title="Stopping·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1397214733440​16">Stopping·​a·​Child·​Process</​a></​li> 113 <li·​title="Stopping·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1402310082378​24">Stopping·​a·​Child·​Process</​a></​li>
114 <li·​title="Simple-​One-​For-​One·​Supervisors"><a·​href="sup_princ.​html#idm1397214733392​48">Simple-​One-​For-​One·​Supervisors</​a></​li> 114 <li·​title="Simple-​One-​For-​One·​Supervisors"><a·​href="sup_princ.​html#idm1402310082330​24">Simple-​One-​For-​One·​Supervisors</​a></​li>
115 <li·​title="Stopping"><a·​href="sup_princ.​html#idm1397214733269​76">Stopping</​a></​li> 115 <li·​title="Stopping"><a·​href="sup_princ.​html#idm1402310082180​80">Stopping</​a></​li>
116 </​ul> 116 </​ul>
117 </​li> 117 </​li>
118 <li·​id="no"·​title="Sys·​and·​Proc_Lib"·​expanded="false">Sys·​and·​Proc_Lib<ul> 118 <li·​id="no"·​title="Sys·​and·​Proc_Lib"·​expanded="false">Sys·​and·​Proc_Lib<ul>
119 <li><a·​href="spec_proc.​html"> 119 <li><a·​href="spec_proc.​html">
120 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 120 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
121 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 121 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
122 <li·​title="Simple·​Debugging"><a·​href="spec_proc.​html#idm1397214733152​80">Simple·​Debugging</​a></​li> 122 <li·​title="Simple·​Debugging"><a·​href="spec_proc.​html#idm1402310082063​84">Simple·​Debugging</​a></​li>
123 <li·​title="Special·​Processes"><a·​href="spec_proc.​html#idm1397214733051​52">Special·​Processes</​a></​li> 123 <li·​title="Special·​Processes"><a·​href="spec_proc.​html#idm1402310081962​56">Special·​Processes</​a></​li>
124 <li·​title="User-​Defined·​Behaviours"><a·​href="spec_proc.​html#idm1397214732279​04">User-​Defined·​Behaviours</​a></​li> 124 <li·​title="User-​Defined·​Behaviours"><a·​href="spec_proc.​html#idm1402310081190​08">User-​Defined·​Behaviours</​a></​li>
125 </​ul> 125 </​ul>
126 </​li> 126 </​li>
127 <li·​id="no"·​title="Applications"·​expanded="false">Appl​ications<ul> 127 <li·​id="no"·​title="Applications"·​expanded="false">Appl​ications<ul>
128 <li><a·​href="applications.​html"> 128 <li><a·​href="applications.​html">
129 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 129 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
130 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 130 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
131 <li·​title="Application·​Concept"><a·​href="applications.​html#idm1397214732041​60">Application·​Concept</​a></​li> 131 <li·​title="Application·​Concept"><a·​href="applications.​html#idm1402310080952​64">Application·​Concept</​a></​li>
132 <li·​title="Application·​Callback·​Module"><a·​href="applications.​html#idm1397214731961​12">Application·​Callback·​Module</​a></​li> 132 <li·​title="Application·​Callback·​Module"><a·​href="applications.​html#idm1402310080872​16">Application·​Callback·​Module</​a></​li>
133 <li·​title="Application·​Resource·​File"><a·​href="applications.​html#idm1397214731824​32">Application·​Resource·​File</​a></​li> 133 <li·​title="Application·​Resource·​File"><a·​href="applications.​html#idm1402310080735​36">Application·​Resource·​File</​a></​li>
134 <li·​title="Directory·​Structure"><a·​href="applications.​html#idm1397214731520​96">Directory·​Structure</​a></​li> 134 <li·​title="Directory·​Structure"><a·​href="applications.​html#idm1402310080432​00">Directory·​Structure</​a></​li>
135 <li·​title="Application·​Controller"><a·​href="applications.​html#idm1397214731369​60">Application·​Controller</​a></​li> 135 <li·​title="Application·​Controller"><a·​href="applications.​html#idm1402310080280​64">Application·​Controller</​a></​li>
136 <li·​title="Loading·​and·​Unloading·​Applications"><a·​href="applications.​html#idm1397214731330​24">Loading·​and·​Unloading·​Applications</​a></​li> 136 <li·​title="Loading·​and·​Unloading·​Applications"><a·​href="applications.​html#idm1402310080241​28">Loading·​and·​Unloading·​Applications</​a></​li>
137 <li·​title="Starting·​and·​Stopping·​Applications"><a·​href="applications.​html#idm1397214731255​68">Starting·​and·​Stopping·​Applications</​a></​li> 137 <li·​title="Starting·​and·​Stopping·​Applications"><a·​href="applications.​html#idm1402310080166​72">Starting·​and·​Stopping·​Applications</​a></​li>
138 <li·​title="Configuring·​an·​Application"><a·​href="applications.​html#idm1397214731150​56">Configuring·​an·​Application</​a></​li> 138 <li·​title="Configuring·​an·​Application"><a·​href="applications.​html#idm1402310080061​60">Configuring·​an·​Application</​a></​li>
139 <li·​title="Application·​Start·​Types"><a·​href="applications.​html#idm1397214730911​20">Application·​Start·​Types</​a></​li> 139 <li·​title="Application·​Start·​Types"><a·​href="applications.​html#idm1402310079822​24">Application·​Start·​Types</​a></​li>
140 </​ul> 140 </​ul>
141 </​li> 141 </​li>
142 <li·​id="loadscrollpos"·​title="Included·​Applications"·​expanded="true">Inclu​ded·​Applications<ul> 142 <li·​id="loadscrollpos"·​title="Included·​Applications"·​expanded="true">Inclu​ded·​Applications<ul>
143 <li><a·​href="included_applic​ations.​html"> 143 <li><a·​href="included_applic​ations.​html">
144 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 144 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
145 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 145 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
146 <li·​title="Definition"><a​·​href="included_applic​ations.​html#idm1397214730743​52">Definition</​a></​li> 146 <li·​title="Definition"><a​·​href="included_applic​ations.​html#idm1402310079654​56">Definition</​a></​li>
147 <li·​title="Specifying·​Included·​Applications"><a·​href="included_applic​ations.​html#idm1397214730664​96">Specifying·​Included·​Applications</​a></​li> 147 <li·​title="Specifying·​Included·​Applications"><a·​href="included_applic​ations.​html#idm1402310079576​00">Specifying·​Included·​Applications</​a></​li>
148 <li·​title="Synchronizing·​Processes·​During·​Startup"><a·​href="included_applic​ations.​html#idm1397214730634​56">Synchronizing·​Processes·​During·​Startup</​a></​li> 148 <li·​title="Synchronizing·​Processes·​During·​Startup"><a·​href="included_applic​ations.​html#idm1402310079545​60">Synchronizing·​Processes·​During·​Startup</​a></​li>
149 </​ul> 149 </​ul>
150 </​li> 150 </​li>
151 <li·​id="no"·​title="Distributed·​Applications"·​expanded="false">Dist​ributed·​Applications<ul> 151 <li·​id="no"·​title="Distributed·​Applications"·​expanded="false">Dist​ributed·​Applications<ul>
152 <li><a·​href="distributed_app​lications.​html"> 152 <li><a·​href="distributed_app​lications.​html">
153 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 153 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
154 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 154 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
155 <li·​title="Definition"><a​·​href="distributed_app​lications.​html#idm1397214730378​56">Definition</​a></​li> 155 <li·​title="Definition"><a​·​href="distributed_app​lications.​html#idm1402310079289​60">Definition</​a></​li>
156 <li·​title="Specifying·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1397214730335​36">Specifying·​Distributed·​Applications</​a></​li> 156 <li·​title="Specifying·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1402310079246​40">Specifying·​Distributed·​Applications</​a></​li>
157 <li·​title="Starting·​and·​Stopping·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1397214730087​68">Starting·​and·​Stopping·​Distributed·​Applications</​a></​li> 157 <li·​title="Starting·​and·​Stopping·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1402310078998​72">Starting·​and·​Stopping·​Distributed·​Applications</​a></​li>
158 <li·​title="Failover"><a·​href="distributed_app​lications.​html#idm1397214729965​28">Failover</​a></​li> 158 <li·​title="Failover"><a·​href="distributed_app​lications.​html#idm1402310078876​32">Failover</​a></​li>
159 <li·​title="Takeover"><a·​href="distributed_app​lications.​html#idm1397214729794​56">Takeover</​a></​li> 159 <li·​title="Takeover"><a·​href="distributed_app​lications.​html#idm1402310078705​60">Takeover</​a></​li>
160 </​ul> 160 </​ul>
161 </​li> 161 </​li>
162 <li·​id="no"·​title="Releases"·​expanded="false">Rele​ases<ul> 162 <li·​id="no"·​title="Releases"·​expanded="false">Rele​ases<ul>
163 <li><a·​href="release_structu​re.​html"> 163 <li><a·​href="release_structu​re.​html">
164 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 164 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
165 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 165 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
166 <li·​title="Release·​Concept"><a·​href="release_structu​re.​html#idm1397214729560​16">Release·​Concept</​a></​li> 166 <li·​title="Release·​Concept"><a·​href="release_structu​re.​html#idm1402310078471​20">Release·​Concept</​a></​li>
167 <li·​title="Release·​Resource·​File"><a·​href="release_structu​re.​html#idm1397214729497​12">Release·​Resource·​File</​a></​li> 167 <li·​title="Release·​Resource·​File"><a·​href="release_structu​re.​html#idm1402310078408​16">Release·​Resource·​File</​a></​li>
168 <li·​title="Generating·​Boot·​Scripts"><a·​href="release_structu​re.​html#idm1397214729320​00">Generating·​Boot·​Scripts</​a></​li> 168 <li·​title="Generating·​Boot·​Scripts"><a·​href="release_structu​re.​html#idm1402310078231​04">Generating·​Boot·​Scripts</​a></​li>
169 <li·​title="Creating·​a·​Release·​Package"><a·​href="release_structu​re.​html#idm1397214729207​36">Creating·​a·​Release·​Package</​a></​li> 169 <li·​title="Creating·​a·​Release·​Package"><a·​href="release_structu​re.​html#idm1402310078118​40">Creating·​a·​Release·​Package</​a></​li>
170 <li·​title="Directory·​Structure"><a·​href="release_structu​re.​html#idm1397214729029​12">Directory·​Structure</​a></​li> 170 <li·​title="Directory·​Structure"><a·​href="release_structu​re.​html#idm1402310077940​16">Directory·​Structure</​a></​li>
171 </​ul> 171 </​ul>
172 </​li> 172 </​li>
173 <li·​id="no"·​title="Release·​Handling"·​expanded="false">Rele​ase·​Handling<ul> 173 <li·​id="no"·​title="Release·​Handling"·​expanded="false">Rele​ase·​Handling<ul>
174 <li><a·​href="release_handlin​g.​html"> 174 <li><a·​href="release_handlin​g.​html">
175 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 175 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
176 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 176 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
177 <li·​title="Release·​Handling·​Principles"><a·​href="release_handlin​g.​html#idm1397214728725​44">Release·​Handling·​Principles</​a></​li> 177 <li·​title="Release·​Handling·​Principles"><a·​href="release_handlin​g.​html#idm1402310077636​48">Release·​Handling·​Principles</​a></​li>
178 <li·​title="Requirements">​<a·​href="release_handlin​g.​html#idm1397214728431​84">Requirements</​a></​li> 178 <li·​title="Requirements">​<a·​href="release_handlin​g.​html#idm1402310077342​88">Requirements</​a></​li>
179 <li·​title="Distributed·​Systems"><a·​href="release_handlin​g.​html#idm1397214728320​48">Distributed·​Systems</​a></​li> 179 <li·​title="Distributed·​Systems"><a·​href="release_handlin​g.​html#idm1402310077231​52">Distributed·​Systems</​a></​li>
180 <li·​title="Release·​Handling·​Instructions"><a·​href="release_handlin​g.​html#idm1397214728288​80">Release·​Handling·​Instructions</​a></​li> 180 <li·​title="Release·​Handling·​Instructions"><a·​href="release_handlin​g.​html#idm1402310077199​84">Release·​Handling·​Instructions</​a></​li>
181 <li·​title="Application·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1397214727656​64">Application·​Upgrade·​File</​a></​li> 181 <li·​title="Application·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1402310076567​68">Application·​Upgrade·​File</​a></​li>
182 <li·​title="Release·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1397214727438​24">Release·​Upgrade·​File</​a></​li> 182 <li·​title="Release·​Upgrade·​File"><a·​href="release_handlin​g.​html#idm1402310076349​28">Release·​Upgrade·​File</​a></​li>
183 <li·​title="Installing·​a·​Release"><a·​href="release_handlin​g.​html#idm1397214727250​88">Installing·​a·​Release</​a></​li> 183 <li·​title="Installing·​a·​Release"><a·​href="release_handlin​g.​html#idm1402310076161​92">Installing·​a·​Release</​a></​li>
184 <li·​title="Updating·​Application·​Specifications"><a·​href="release_handlin​g.​html#idm1397214726686​08">Updating·​Application·​Specifications</​a></​li> 184 <li·​title="Updating·​Application·​Specifications"><a·​href="release_handlin​g.​html#idm1402310075597​12">Updating·​Application·​Specifications</​a></​li>
185 </​ul> 185 </​ul>
186 </​li> 186 </​li>
187 <li·​id="no"·​title="Appup·​Cookbook"·​expanded="false">Appu​p·​Cookbook<ul> 187 <li·​id="no"·​title="Appup·​Cookbook"·​expanded="false">Appu​p·​Cookbook<ul>
188 <li><a·​href="appup_cookbook.​html"> 188 <li><a·​href="appup_cookbook.​html">
189 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 189 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
190 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 190 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
191 <li·​title="Changing·​a·​Functional·​Module"><a·​href="appup_cookbook.​html#idm1397214726465​28">Changing·​a·​Functional·​Module</​a></​li> 191 <li·​title="Changing·​a·​Functional·​Module"><a·​href="appup_cookbook.​html#idm1402310075376​32">Changing·​a·​Functional·​Module</​a></​li>
192 <li·​title="Changing·​a·​Residence·​Module"><a·​href="appup_cookbook.​html#idm1397214726437​92">Changing·​a·​Residence·​Module</​a></​li> 192 <li·​title="Changing·​a·​Residence·​Module"><a·​href="appup_cookbook.​html#idm1402310075348​96">Changing·​a·​Residence·​Module</​a></​li>
193 <li·​title="Changing·​a·​Callback·​Module"><a·​href="appup_cookbook.​html#idm1397214726391​36">Changing·​a·​Callback·​Module</​a></​li> 193 <li·​title="Changing·​a·​Callback·​Module"><a·​href="appup_cookbook.​html#idm1402310075302​40">Changing·​a·​Callback·​Module</​a></​li>
194 <li·​title="Changing·​Internal·​State"><a·​href="appup_cookbook.​html#idm1397214726330​08">Changing·​Internal·​State</​a></​li> 194 <li·​title="Changing·​Internal·​State"><a·​href="appup_cookbook.​html#idm1402310075241​12">Changing·​Internal·​State</​a></​li>
195 <li·​title="Module·​Dependencies"><a·​href="appup_cookbook.​html#idm1397214726168​64">Module·​Dependencies</​a></​li> 195 <li·​title="Module·​Dependencies"><a·​href="appup_cookbook.​html#idm1402310075079​68">Module·​Dependencies</​a></​li>
196 <li·​title="Changing·​Code·​For·​a·​Special·​Process"><a·​href="appup_cookbook.​html#idm1397214725963​84">Changing·​Code·​For·​a·​Special·​Process</​a></​li> 196 <li·​title="Changing·​Code·​For·​a·​Special·​Process"><a·​href="appup_cookbook.​html#idm1402310074874​88">Changing·​Code·​For·​a·​Special·​Process</​a></​li>
197 <li·​title="Changing·​a·​Supervisor"><a·​href="appup_cookbook.​html#idm1397214725763​68">Changing·​a·​Supervisor</​a></​li> 197 <li·​title="Changing·​a·​Supervisor"><a·​href="appup_cookbook.​html#idm1402310074674​72">Changing·​a·​Supervisor</​a></​li>
198 <li·​title="Adding·​or·​Deleting·​a·​Module"><a·​href="appup_cookbook.​html#idm1397214725468​64">Adding·​or·​Deleting·​a·​Module</​a></​li> 198 <li·​title="Adding·​or·​Deleting·​a·​Module"><a·​href="appup_cookbook.​html#idm1402310074379​68">Adding·​or·​Deleting·​a·​Module</​a></​li>
199 <li·​title="Starting·​or·​Terminating·​a·​Process"><a·​href="appup_cookbook.​html#idm1397214725438​24">Starting·​or·​Terminating·​a·​Process</​a></​li> 199 <li·​title="Starting·​or·​Terminating·​a·​Process"><a·​href="appup_cookbook.​html#idm1402310074349​28">Starting·​or·​Terminating·​a·​Process</​a></​li>
200 <li·​title="Adding·​or·​Removing·​an·​Application"><a·​href="appup_cookbook.​html#idm1397214725416​00">Adding·​or·​Removing·​an·​Application</​a></​li> 200 <li·​title="Adding·​or·​Removing·​an·​Application"><a·​href="appup_cookbook.​html#idm1402310074327​04">Adding·​or·​Removing·​an·​Application</​a></​li>
201 <li·​title="Restarting·​an·​Application"><a·​href="appup_cookbook.​html#idm1397214725379​20">Restarting·​an·​Application</​a></​li> 201 <li·​title="Restarting·​an·​Application"><a·​href="appup_cookbook.​html#idm1402310074290​24">Restarting·​an·​Application</​a></​li>
202 <li·​title="Changing·​an·​Application·​Specification"><a·​href="appup_cookbook.​html#idm1397214725328​64">Changing·​an·​Application·​Specification</​a></​li> 202 <li·​title="Changing·​an·​Application·​Specification"><a·​href="appup_cookbook.​html#idm1402310074239​68">Changing·​an·​Application·​Specification</​a></​li>
203 <li·​title="Changing·​Application·​Configuration"><a·​href="appup_cookbook.​html#idm1397214725300​00">Changing·​Application·​Configuration</​a></​li> 203 <li·​title="Changing·​Application·​Configuration"><a·​href="appup_cookbook.​html#idm1402310074211​04">Changing·​Application·​Configuration</​a></​li>
204 <li·​title="Changing·​Included·​Applications"><a·​href="appup_cookbook.​html#idm1397214725259​84">Changing·​Included·​Applications</​a></​li> 204 <li·​title="Changing·​Included·​Applications"><a·​href="appup_cookbook.​html#idm1402310074170​88">Changing·​Included·​Applications</​a></​li>
205 <li·​title="Changing·​Non-​Erlang·​Code"><a·​href="appup_cookbook.​html#idm1397214724972​00">Changing·​Non-​Erlang·​Code</​a></​li> 205 <li·​title="Changing·​Non-​Erlang·​Code"><a·​href="appup_cookbook.​html#idm1402310073883​04">Changing·​Non-​Erlang·​Code</​a></​li>
206 <li·​title="Emulator·​Restart·​and·​Upgrade"><a·​href="appup_cookbook.​html#idm1397214724870​56">Emulator·​Restart·​and·​Upgrade</​a></​li> 206 <li·​title="Emulator·​Restart·​and·​Upgrade"><a·​href="appup_cookbook.​html#idm1402310073781​60">Emulator·​Restart·​and·​Upgrade</​a></​li>
207 <li·​title="Emulator·​Upgrade·​from·​pre·​OTP·​R15"><a·​href="appup_cookbook.​html#idm1397214724778​72">Emulator·​Upgrade·​from·​pre·​OTP·​R15</​a></​li> 207 <li·​title="Emulator·​Upgrade·​from·​pre·​OTP·​R15"><a·​href="appup_cookbook.​html#idm1402310073689​76">Emulator·​Upgrade·​from·​pre·​OTP·​R15</​a></​li>
208 </​ul> 208 </​ul>
209 </​li> 209 </​li>
210 </​ul> 210 </​ul>
211 </​div></​div> 211 </​div></​div>
212 <div·​id="content"> 212 <div·​id="content">
213 <div·​class="innertube"> 213 <div·​class="innertube">
214 <h1>8 Included·​Applications</​h1> 214 <h1>8 Included·​Applications</​h1>
215 ·​·​ 215 ·​·​
   
216 ·​·​<h3><a·​name="idm139721473074​352">8.​1  216 ·​·​<h3><a·​name="idm140231007965​456">8.​1 
217 ·​·​·​·​·​·​·​·​Definition</​a></​h3> 217 ·​·​·​·​·​·​·​·​Definition</​a></​h3>
218 ·​·​·​·​ 218 ·​·​·​·​
219 ·​·​·​·​<p>An·​application·​can·​<strong>include</​strong>·​other·​applications.​ 219 ·​·​·​·​<p>An·​application·​can·​<strong>include</​strong>·​other·​applications.​
220 ·​·​·​·​·​·​An·​<strong>included·​application</​strong>·​has·​its·​own·​application·​directory 220 ·​·​·​·​·​·​An·​<strong>included·​application</​strong>·​has·​its·​own·​application·​directory
221 ·​·​·​·​·​·​and·​<span·​class="code">.​app</​span>·​file,​·​but·​it·​is·​started·​as·​part·​of·​the·​supervisor 221 ·​·​·​·​·​·​and·​<span·​class="code">.​app</​span>·​file,​·​but·​it·​is·​started·​as·​part·​of·​the·​supervisor
222 ·​·​·​·​·​·​tree·​of·​another·​application.​</​p> 222 ·​·​·​·​·​·​tree·​of·​another·​application.​</​p>
223 ·​·​·​·​<p>An·​application·​can·​only·​be·​included·​by·​one·​other·​application.​</​p> 223 ·​·​·​·​<p>An·​application·​can·​only·​be·​included·​by·​one·​other·​application.​</​p>
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238 ·​·​·​·​·​·​must·​be·​started·​by·​a·​supervisor·​in·​the·​including·​application.​</​p> 238 ·​·​·​·​·​·​must·​be·​started·​by·​a·​supervisor·​in·​the·​including·​application.​</​p>
239 ·​·​·​·​<p>This·​means·​that·​when·​running,​·​an·​included·​application·​is·​in·​fact 239 ·​·​·​·​<p>This·​means·​that·​when·​running,​·​an·​included·​application·​is·​in·​fact
240 ·​·​·​·​·​·​part·​of·​the·​primary·​application·​and·​a·​process·​in·​an·​included 240 ·​·​·​·​·​·​part·​of·​the·​primary·​application·​and·​a·​process·​in·​an·​included
241 ·​·​·​·​·​·​application·​will·​consider·​itself·​belonging·​to·​the·​primary 241 ·​·​·​·​·​·​application·​will·​consider·​itself·​belonging·​to·​the·​primary
242 ·​·​·​·​·​·​application.​</​p> 242 ·​·​·​·​·​·​application.​</​p>
243 ·​·​ 243 ·​·​
   
244 ·​·​<h3><a·​name="idm139721473066​496">8.​2  244 ·​·​<h3><a·​name="idm140231007957​600">8.​2 
245 ·​·​·​·​·​·​·​·​Specifying·​Included·​Applications</​a></​h3> 245 ·​·​·​·​·​·​·​·​Specifying·​Included·​Applications</​a></​h3>
246 ·​·​·​·​ 246 ·​·​·​·​
247 ·​·​·​·​<p>Which·​applications·​to·​include·​is·​defined·​by 247 ·​·​·​·​<p>Which·​applications·​to·​include·​is·​defined·​by
248 ·​·​·​·​·​·​the·​<span·​class="code">included​_applications</​span>·​key·​in·​the·​<span·​class="code">.​app</​span>·​file.​</​p> 248 ·​·​·​·​·​·​the·​<span·​class="code">included​_applications</​span>·​key·​in·​the·​<span·​class="code">.​app</​span>·​file.​</​p>
249 ·​·​·​·​<div·​class="example"><pre>​ 249 ·​·​·​·​<div·​class="example"><pre>​
250 {application,​·​prim_app,​ 250 {application,​·​prim_app,​
251 ·​[{description,​·​"Tree·​application"},​ 251 ·​[{description,​·​"Tree·​application"},​
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256 ·​·​{included_application​s,​·​[incl_app]},​ 256 ·​·​{included_application​s,​·​[incl_app]},​
257 ·​·​{applications,​·​[kernel,​·​stdlib,​·​sasl]},​ 257 ·​·​{applications,​·​[kernel,​·​stdlib,​·​sasl]},​
258 ·​·​{mod,​·​{prim_app_cb,​[]}},​ 258 ·​·​{mod,​·​{prim_app_cb,​[]}},​
259 ·​·​{env,​·​[{file,​·​"/​usr/​local/​log"}]} 259 ·​·​{env,​·​[{file,​·​"/​usr/​local/​log"}]}
260 ·​]}.​</​pre></​div> 260 ·​]}.​</​pre></​div>
261 ·​·​ 261 ·​·​
   
262 ·​·​<h3><a·​name="idm139721473063​456">8.​3  262 ·​·​<h3><a·​name="idm140231007954​560">8.​3 
263 ·​·​·​·​·​·​·​·​Synchronizing·​Processes·​During·​Startup</​a></​h3> 263 ·​·​·​·​·​·​·​·​Synchronizing·​Processes·​During·​Startup</​a></​h3>
264 ·​·​·​·​ 264 ·​·​·​·​
265 ·​·​·​·​<p>The·​supervisor·​tree·​of·​an·​included·​application·​is·​started·​as 265 ·​·​·​·​<p>The·​supervisor·​tree·​of·​an·​included·​application·​is·​started·​as
266 ·​·​·​·​·​·​part·​of·​the·​supervisor·​tree·​of·​the·​including·​application.​ 266 ·​·​·​·​·​·​part·​of·​the·​supervisor·​tree·​of·​the·​including·​application.​
267 ·​·​·​·​·​·​If·​there·​is·​a·​need·​for·​synchronization·​between·​processes·​in 267 ·​·​·​·​·​·​If·​there·​is·​a·​need·​for·​synchronization·​between·​processes·​in
268 ·​·​·​·​·​·​the·​including·​and·​included·​applications,​·​this·​can·​be·​achieved 268 ·​·​·​·​·​·​the·​including·​and·​included·​applications,​·​this·​can·​be·​achieved
269 ·​·​·​·​·​·​by·​using·​<strong>start·​phases</​strong>.​</​p> 269 ·​·​·​·​·​·​by·​using·​<strong>start·​phases</​strong>.​</​p>
./usr/share/doc/erlang-17.4/doc/design_principles/release_handling.html
Offset 47, 178 lines modified Offset 47, 178 lines modified
47 <img·​alt="Erlang·​logo"·​src=".​.​/​erlang-​logo.​png"><br><small><a·​href="users_guide.​html">User's·​Guide</​a><br><a·​href=".​.​/​pdf/​otp-​system-​documentation-​6.​3.​pdf">PDF</​a><br><a·​href=".​.​/​index.​html">Top</​a></​small><p><strong>OTP·​Design·​Principles</​strong><br><strong>Us​er's·​Guide</​strong><br><small>Ver​sion·​6.​3</​small></​p> 47 <img·​alt="Erlang·​logo"·​src=".​.​/​erlang-​logo.​png"><br><small><a·​href="users_guide.​html">User's·​Guide</​a><br><a·​href=".​.​/​pdf/​otp-​system-​documentation-​6.​3.​pdf">PDF</​a><br><a·​href=".​.​/​index.​html">Top</​a></​small><p><strong>OTP·​Design·​Principles</​strong><br><strong>Us​er's·​Guide</​strong><br><small>Ver​sion·​6.​3</​small></​p>
48 <br><a·​href="javascript:​openAllFlips()​">Expand·​All</​a><br><a·​href="javascript:​closeAllFlips()​">Contract·​All</​a><p><small><strong>C​hapters</​strong></​small></​p> 48 <br><a·​href="javascript:​openAllFlips()​">Expand·​All</​a><br><a·​href="javascript:​closeAllFlips()​">Contract·​All</​a><p><small><strong>C​hapters</​strong></​small></​p>
49 <ul·​class="flipMenu"·​imagepath=".​.​/​js/​flipmenu"> 49 <ul·​class="flipMenu"·​imagepath=".​.​/​js/​flipmenu">
50 <li·​id="no"·​title="Overview"·​expanded="false">Over​view<ul> 50 <li·​id="no"·​title="Overview"·​expanded="false">Over​view<ul>
51 <li><a·​href="des_princ.​html"> 51 <li><a·​href="des_princ.​html">
52 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 52 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
53 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 53 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
54 <li·​title="Supervision·​Trees"><a·​href="des_princ.​html#idm1397214738212​96">Supervision·​Trees</​a></​li> 54 <li·​title="Supervision·​Trees"><a·​href="des_princ.​html#idm1402310086645​92">Supervision·​Trees</​a></​li>
55 <li·​title="Behaviours"><a​·​href="des_princ.​html#idm1397214738293​92">Behaviours</​a></​li> 55 <li·​title="Behaviours"><a​·​href="des_princ.​html#idm1402310086726​88">Behaviours</​a></​li>
56 <li·​title="Applications">​<a·​href="des_princ.​html#idm1397214738587​52">Applications</​a></​li> 56 <li·​title="Applications">​<a·​href="des_princ.​html#idm1402310087520​16">Applications</​a></​li>
57 <li·​title="Releases"><a·​href="des_princ.​html#idm1397214738637​44">Releases</​a></​li> 57 <li·​title="Releases"><a·​href="des_princ.​html#idm1402310087570​72">Releases</​a></​li>
58 <li·​title="Release·​Handling"><a·​href="des_princ.​html#idm1397214739808​96">Release·​Handling</​a></​li> 58 <li·​title="Release·​Handling"><a·​href="des_princ.​html#idm1402310087605​92">Release·​Handling</​a></​li>
59 </​ul> 59 </​ul>
60 </​li> 60 </​li>
61 <li·​id="no"·​title="Gen_Server·​Behaviour"·​expanded="false">Gen_​Server·​Behaviour<ul> 61 <li·​id="no"·​title="Gen_Server·​Behaviour"·​expanded="false">Gen_​Server·​Behaviour<ul>
62 <li><a·​href="gen_server_conc​epts.​html"> 62 <li><a·​href="gen_server_conc​epts.​html">
63 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 63 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
64 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 64 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
65 <li·​title="Client-​Server·​Principles"><a·​href="gen_server_conc​epts.​html#idm1397214739903​84">Client-​Server·​Principles</​a></​li> 65 <li·​title="Client-​Server·​Principles"><a·​href="gen_server_conc​epts.​html#idm1402310087701​28">Client-​Server·​Principles</​a></​li>
66 <li·​title="Example"><a·​href="gen_server_conc​epts.​html#idm1397214739937​92">Example</​a></​li> 66 <li·​title="Example"><a·​href="gen_server_conc​epts.​html#idm1402310086976​32">Example</​a></​li>
67 <li·​title="Starting·​a·​Gen_Server"><a·​href="gen_server_conc​epts.​html#idm1397214739981​60">Starting·​a·​Gen_Server</​a></​li> 67 <li·​title="Starting·​a·​Gen_Server"><a·​href="gen_server_conc​epts.​html#idm1402310087020​00">Starting·​a·​Gen_Server</​a></​li>
68 <li·​title="Synchronous·​Requests·​-​·​Call"><a·​href="gen_server_conc​epts.​html#idm1397214737669​92">Synchronous·​Requests·​-​·​Call</​a></​li> 68 <li·​title="Synchronous·​Requests·​-​·​Call"><a·​href="gen_server_conc​epts.​html#idm1402310087762​24">Synchronous·​Requests·​-​·​Call</​a></​li>
69 <li·​title="Asynchronous·​Requests·​-​·​Cast"><a·​href="gen_server_conc​epts.​html#idm1397214740228​64">Asynchronous·​Requests·​-​·​Cast</​a></​li> 69 <li·​title="Asynchronous·​Requests·​-​·​Cast"><a·​href="gen_server_conc​epts.​html#idm1402310087864​32">Asynchronous·​Requests·​-​·​Cast</​a></​li>
70 <li·​title="Stopping"><a·​href="gen_server_conc​epts.​html#idm1397214738923​52">Stopping</​a></​li> 70 <li·​title="Stopping"><a·​href="gen_server_conc​epts.​html#idm1402310090753​76">Stopping</​a></​li>
71 <li·​title="Handling·​Other·​Messages"><a·​href="gen_server_conc​epts.​html#idm1397214739025​12">Handling·​Other·​Messages</​a></​li> 71 <li·​title="Handling·​Other·​Messages"><a·​href="gen_server_conc​epts.​html#idm1402310086217​44">Handling·​Other·​Messages</​a></​li>
72 </​ul> 72 </​ul>
73 </​li> 73 </​li>
74 <li·​id="no"·​title="Gen_Fsm·​Behaviour"·​expanded="false">Gen_​Fsm·​Behaviour<ul> 74 <li·​id="no"·​title="Gen_Fsm·​Behaviour"·​expanded="false">Gen_​Fsm·​Behaviour<ul>
75 <li><a·​href="fsm.​html"> 75 <li><a·​href="fsm.​html">
76 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 76 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
77 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 77 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
78 <li·​title="Finite·​State·​Machines"><a·​href="fsm.​html#idm1397214739128​16">Finite·​State·​Machines</​a></​li> 78 <li·​title="Finite·​State·​Machines"><a·​href="fsm.​html#idm1402310090907​52">Finite·​State·​Machines</​a></​li>
79 <li·​title="Example"><a·​href="fsm.​html#idm1397214744873​28">Example</​a></​li> 79 <li·​title="Example"><a·​href="fsm.​html#idm1402310087992​48">Example</​a></​li>
80 <li·​title="Starting·​a·​Gen_Fsm"><a·​href="fsm.​html#idm1397214737307​36">Starting·​a·​Gen_Fsm</​a></​li> 80 <li·​title="Starting·​a·​Gen_Fsm"><a·​href="fsm.​html#idm1402310095516​00">Starting·​a·​Gen_Fsm</​a></​li>
81 <li·​title="Notifying·​About·​Events"><a·​href="fsm.​html#idm1397214737268​48">Notifying·​About·​Events</​a></​li> 81 <li·​title="Notifying·​About·​Events"><a·​href="fsm.​html#idm1402310091153​60">Notifying·​About·​Events</​a></​li>
82 <li·​title="Timeouts"><a·​href="fsm.​html#idm1397214745703​04">Timeouts</​a></​li> 82 <li·​title="Timeouts"><a·​href="fsm.​html#idm1402310098085​44">Timeouts</​a></​li>
83 <li·​title="All·​State·​Events"><a·​href="fsm.​html#idm1397214746614​08">All·​State·​Events</​a></​li> 83 <li·​title="All·​State·​Events"><a·​href="fsm.​html#idm1402310093031​52">All·​State·​Events</​a></​li>
84 <li·​title="Stopping"><a·​href="fsm.​html#idm1397214746854​40">Stopping</​a></​li> 84 <li·​title="Stopping"><a·​href="fsm.​html#idm1402310089129​76">Stopping</​a></​li>
85 <li·​title="Handling·​Other·​Messages"><a·​href="fsm.​html#idm1397214740112​00">Handling·​Other·​Messages</​a></​li> 85 <li·​title="Handling·​Other·​Messages"><a·​href="fsm.​html#idm1402310084326​88">Handling·​Other·​Messages</​a></​li>
86 </​ul> 86 </​ul>
87 </​li> 87 </​li>
88 <li·​id="no"·​title="Gen_Event·​Behaviour"·​expanded="false">Gen_​Event·​Behaviour<ul> 88 <li·​id="no"·​title="Gen_Event·​Behaviour"·​expanded="false">Gen_​Event·​Behaviour<ul>
89 <li><a·​href="events.​html"> 89 <li><a·​href="events.​html">
90 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 90 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
91 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 91 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
92 <li·​title="Event·​Handling·​Principles"><a·​href="events.​html#idm1397214751144​00">Event·​Handling·​Principles</​a></​li> 92 <li·​title="Event·​Handling·​Principles"><a·​href="events.​html#idm1402310091793​92">Event·​Handling·​Principles</​a></​li>
93 <li·​title="Example"><a·​href="events.​html#idm1397214738065​60">Example</​a></​li> 93 <li·​title="Example"><a·​href="events.​html#idm1402310084171​52">Example</​a></​li>
94 <li·​title="Starting·​an·​Event·​Manager"><a·​href="events.​html#idm1397214738025​44">Starting·​an·​Event·​Manager</​a></​li> 94 <li·​title="Starting·​an·​Event·​Manager"><a·​href="events.​html#idm1402310084131​36">Starting·​an·​Event·​Manager</​a></​li>
95 <li·​title="Adding·​an·​Event·​Handler"><a·​href="events.​html#idm1397214747192​64">Adding·​an·​Event·​Handler</​a></​li> 95 <li·​title="Adding·​an·​Event·​Handler"><a·​href="events.​html#idm1402310093887​52">Adding·​an·​Event·​Handler</​a></​li>
96 <li·​title="Notifying·​About·​Events"><a·​href="events.​html#idm1397214738881​76">Notifying·​About·​Events</​a></​li> 96 <li·​title="Notifying·​About·​Events"><a·​href="events.​html#idm1402310087285​12">Notifying·​About·​Events</​a></​li>
97 <li·​title="Deleting·​an·​Event·​Handler"><a·​href="events.​html#idm1397214738804​00">Deleting·​an·​Event·​Handler</​a></​li> 97 <li·​title="Deleting·​an·​Event·​Handler"><a·​href="events.​html#idm1402310087207​36">Deleting·​an·​Event·​Handler</​a></​li>
98 <li·​title="Stopping"><a·​href="events.​html#idm1397214738724​64">Stopping</​a></​li> 98 <li·​title="Stopping"><a·​href="events.​html#idm1402310086894​08">Stopping</​a></​li>
99 <li·​title="Handling·​Other·​Messages"><a·​href="events.​html#idm1397214738663​04">Handling·​Other·​Messages</​a></​li> 99 <li·​title="Handling·​Other·​Messages"><a·​href="events.​html#idm1402310086832​48">Handling·​Other·​Messages</​a></​li>
100 </​ul> 100 </​ul>
101 </​li> 101 </​li>
102 <li·​id="no"·​title="Supervisor·​Behaviour"·​expanded="false">Supe​rvisor·​Behaviour<ul> 102 <li·​id="no"·​title="Supervisor·​Behaviour"·​expanded="false">Supe​rvisor·​Behaviour<ul>
103 <li><a·​href="sup_princ.​html"> 103 <li><a·​href="sup_princ.​html">
104 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 104 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
105 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 105 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
106 <li·​title="Supervision·​Principles"><a·​href="sup_princ.​html#idm1397214734009​44">Supervision·​Principles</​a></​li> 106 <li·​title="Supervision·​Principles"><a·​href="sup_princ.​html#idm1402310082917​44">Supervision·​Principles</​a></​li>
107 <li·​title="Example"><a·​href="sup_princ.​html#idm1397214733982​56">Example</​a></​li> 107 <li·​title="Example"><a·​href="sup_princ.​html#idm1402310096825​28">Example</​a></​li>
108 <li·​title="Restart·​Strategy"><a·​href="sup_princ.​html#idm1397214733907​20">Restart·​Strategy</​a></​li> 108 <li·​title="Restart·​Strategy"><a·​href="sup_princ.​html#idm1402310096296​32">Restart·​Strategy</​a></​li>
109 <li·​title="Maximum·​Restart·​Frequency"><a·​href="sup_princ.​html#idm1397214733820​32">Maximum·​Restart·​Frequency</​a></​li> 109 <li·​title="Maximum·​Restart·​Frequency"><a·​href="sup_princ.​html#idm1402310088963​68">Maximum·​Restart·​Frequency</​a></​li>
110 <li·​title="Child·​Specification"><a·​href="sup_princ.​html#idm1397214741044​48">Child·​Specification</​a></​li> 110 <li·​title="Child·​Specification"><a·​href="sup_princ.​html#idm1402310082857​44">Child·​Specification</​a></​li>
111 <li·​title="Starting·​a·​Supervisor"><a·​href="sup_princ.​html#idm1397214733595​20">Starting·​a·​Supervisor</​a></​li> 111 <li·​title="Starting·​a·​Supervisor"><a·​href="sup_princ.​html#idm1402310082533​28">Starting·​a·​Supervisor</​a></​li>
112 <li·​title="Adding·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1397214733484​00">Adding·​a·​Child·​Process</​a></​li> 112 <li·​title="Adding·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1402310082422​08">Adding·​a·​Child·​Process</​a></​li>
113 <li·​title="Stopping·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1397214733440​16">Stopping·​a·​Child·​Process</​a></​li> 113 <li·​title="Stopping·​a·​Child·​Process"><a·​href="sup_princ.​html#idm1402310082378​24">Stopping·​a·​Child·​Process</​a></​li>
114 <li·​title="Simple-​One-​For-​One·​Supervisors"><a·​href="sup_princ.​html#idm1397214733392​48">Simple-​One-​For-​One·​Supervisors</​a></​li> 114 <li·​title="Simple-​One-​For-​One·​Supervisors"><a·​href="sup_princ.​html#idm1402310082330​24">Simple-​One-​For-​One·​Supervisors</​a></​li>
115 <li·​title="Stopping"><a·​href="sup_princ.​html#idm1397214733269​76">Stopping</​a></​li> 115 <li·​title="Stopping"><a·​href="sup_princ.​html#idm1402310082180​80">Stopping</​a></​li>
116 </​ul> 116 </​ul>
117 </​li> 117 </​li>
118 <li·​id="no"·​title="Sys·​and·​Proc_Lib"·​expanded="false">Sys·​and·​Proc_Lib<ul> 118 <li·​id="no"·​title="Sys·​and·​Proc_Lib"·​expanded="false">Sys·​and·​Proc_Lib<ul>
119 <li><a·​href="spec_proc.​html"> 119 <li><a·​href="spec_proc.​html">
120 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 120 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
121 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 121 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
122 <li·​title="Simple·​Debugging"><a·​href="spec_proc.​html#idm1397214733152​80">Simple·​Debugging</​a></​li> 122 <li·​title="Simple·​Debugging"><a·​href="spec_proc.​html#idm1402310082063​84">Simple·​Debugging</​a></​li>
123 <li·​title="Special·​Processes"><a·​href="spec_proc.​html#idm1397214733051​52">Special·​Processes</​a></​li> 123 <li·​title="Special·​Processes"><a·​href="spec_proc.​html#idm1402310081962​56">Special·​Processes</​a></​li>
124 <li·​title="User-​Defined·​Behaviours"><a·​href="spec_proc.​html#idm1397214732279​04">User-​Defined·​Behaviours</​a></​li> 124 <li·​title="User-​Defined·​Behaviours"><a·​href="spec_proc.​html#idm1402310081190​08">User-​Defined·​Behaviours</​a></​li>
125 </​ul> 125 </​ul>
126 </​li> 126 </​li>
127 <li·​id="no"·​title="Applications"·​expanded="false">Appl​ications<ul> 127 <li·​id="no"·​title="Applications"·​expanded="false">Appl​ications<ul>
128 <li><a·​href="applications.​html"> 128 <li><a·​href="applications.​html">
129 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 129 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
130 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 130 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
131 <li·​title="Application·​Concept"><a·​href="applications.​html#idm1397214732041​60">Application·​Concept</​a></​li> 131 <li·​title="Application·​Concept"><a·​href="applications.​html#idm1402310080952​64">Application·​Concept</​a></​li>
132 <li·​title="Application·​Callback·​Module"><a·​href="applications.​html#idm1397214731961​12">Application·​Callback·​Module</​a></​li> 132 <li·​title="Application·​Callback·​Module"><a·​href="applications.​html#idm1402310080872​16">Application·​Callback·​Module</​a></​li>
133 <li·​title="Application·​Resource·​File"><a·​href="applications.​html#idm1397214731824​32">Application·​Resource·​File</​a></​li> 133 <li·​title="Application·​Resource·​File"><a·​href="applications.​html#idm1402310080735​36">Application·​Resource·​File</​a></​li>
134 <li·​title="Directory·​Structure"><a·​href="applications.​html#idm1397214731520​96">Directory·​Structure</​a></​li> 134 <li·​title="Directory·​Structure"><a·​href="applications.​html#idm1402310080432​00">Directory·​Structure</​a></​li>
135 <li·​title="Application·​Controller"><a·​href="applications.​html#idm1397214731369​60">Application·​Controller</​a></​li> 135 <li·​title="Application·​Controller"><a·​href="applications.​html#idm1402310080280​64">Application·​Controller</​a></​li>
136 <li·​title="Loading·​and·​Unloading·​Applications"><a·​href="applications.​html#idm1397214731330​24">Loading·​and·​Unloading·​Applications</​a></​li> 136 <li·​title="Loading·​and·​Unloading·​Applications"><a·​href="applications.​html#idm1402310080241​28">Loading·​and·​Unloading·​Applications</​a></​li>
137 <li·​title="Starting·​and·​Stopping·​Applications"><a·​href="applications.​html#idm1397214731255​68">Starting·​and·​Stopping·​Applications</​a></​li> 137 <li·​title="Starting·​and·​Stopping·​Applications"><a·​href="applications.​html#idm1402310080166​72">Starting·​and·​Stopping·​Applications</​a></​li>
138 <li·​title="Configuring·​an·​Application"><a·​href="applications.​html#idm1397214731150​56">Configuring·​an·​Application</​a></​li> 138 <li·​title="Configuring·​an·​Application"><a·​href="applications.​html#idm1402310080061​60">Configuring·​an·​Application</​a></​li>
139 <li·​title="Application·​Start·​Types"><a·​href="applications.​html#idm1397214730911​20">Application·​Start·​Types</​a></​li> 139 <li·​title="Application·​Start·​Types"><a·​href="applications.​html#idm1402310079822​24">Application·​Start·​Types</​a></​li>
140 </​ul> 140 </​ul>
141 </​li> 141 </​li>
142 <li·​id="no"·​title="Included·​Applications"·​expanded="false">Incl​uded·​Applications<ul> 142 <li·​id="no"·​title="Included·​Applications"·​expanded="false">Incl​uded·​Applications<ul>
143 <li><a·​href="included_applic​ations.​html"> 143 <li><a·​href="included_applic​ations.​html">
144 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 144 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
145 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 145 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
146 <li·​title="Definition"><a​·​href="included_applic​ations.​html#idm1397214730743​52">Definition</​a></​li> 146 <li·​title="Definition"><a​·​href="included_applic​ations.​html#idm1402310079654​56">Definition</​a></​li>
147 <li·​title="Specifying·​Included·​Applications"><a·​href="included_applic​ations.​html#idm1397214730664​96">Specifying·​Included·​Applications</​a></​li> 147 <li·​title="Specifying·​Included·​Applications"><a·​href="included_applic​ations.​html#idm1402310079576​00">Specifying·​Included·​Applications</​a></​li>
148 <li·​title="Synchronizing·​Processes·​During·​Startup"><a·​href="included_applic​ations.​html#idm1397214730634​56">Synchronizing·​Processes·​During·​Startup</​a></​li> 148 <li·​title="Synchronizing·​Processes·​During·​Startup"><a·​href="included_applic​ations.​html#idm1402310079545​60">Synchronizing·​Processes·​During·​Startup</​a></​li>
149 </​ul> 149 </​ul>
150 </​li> 150 </​li>
151 <li·​id="no"·​title="Distributed·​Applications"·​expanded="false">Dist​ributed·​Applications<ul> 151 <li·​id="no"·​title="Distributed·​Applications"·​expanded="false">Dist​ributed·​Applications<ul>
152 <li><a·​href="distributed_app​lications.​html"> 152 <li><a·​href="distributed_app​lications.​html">
153 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 153 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
154 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 154 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
155 <li·​title="Definition"><a​·​href="distributed_app​lications.​html#idm1397214730378​56">Definition</​a></​li> 155 <li·​title="Definition"><a​·​href="distributed_app​lications.​html#idm1402310079289​60">Definition</​a></​li>
156 <li·​title="Specifying·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1397214730335​36">Specifying·​Distributed·​Applications</​a></​li> 156 <li·​title="Specifying·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1402310079246​40">Specifying·​Distributed·​Applications</​a></​li>
157 <li·​title="Starting·​and·​Stopping·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1397214730087​68">Starting·​and·​Stopping·​Distributed·​Applications</​a></​li> 157 <li·​title="Starting·​and·​Stopping·​Distributed·​Applications"><a·​href="distributed_app​lications.​html#idm1402310078998​72">Starting·​and·​Stopping·​Distributed·​Applications</​a></​li>
158 <li·​title="Failover"><a·​href="distributed_app​lications.​html#idm1397214729965​28">Failover</​a></​li> 158 <li·​title="Failover"><a·​href="distributed_app​lications.​html#idm1402310078876​32">Failover</​a></​li>
159 <li·​title="Takeover"><a·​href="distributed_app​lications.​html#idm1397214729794​56">Takeover</​a></​li> 159 <li·​title="Takeover"><a·​href="distributed_app​lications.​html#idm1402310078705​60">Takeover</​a></​li>
160 </​ul> 160 </​ul>
161 </​li> 161 </​li>
162 <li·​id="no"·​title="Releases"·​expanded="false">Rele​ases<ul> 162 <li·​id="no"·​title="Releases"·​expanded="false">Rele​ases<ul>
163 <li><a·​href="release_structu​re.​html"> 163 <li><a·​href="release_structu​re.​html">
164 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 164 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
165 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li> 165 ·​·​·​·​·​·​·​·​·​·​·​·​</​a></​li>
166 <li·​title="Release·​Concept"><a·​href="release_structu​re.​html#idm1397214729560​16">Release·​Concept</​a></​li> 166 <li·​title="Release·​Concept"><a·​href="release_structu​re.​html#idm1402310078471​20">Release·​Concept</​a></​li>
167 <li·​title="Release·​Resource·​File"><a·​href="release_structu​re.​html#idm1397214729497​12">Release·​Resource·​File</​a></​li> 167 <li·​title="Release·​Resource·​File"><a·​href="release_structu​re.​html#idm1402310078408​16">Release·​Resource·​File</​a></​li>
168 <li·​title="Generating·​Boot·​Scripts"><a·​href="release_structu​re.​html#idm1397214729320​00">Generating·​Boot·​Scripts</​a></​li> 168 <li·​title="Generating·​Boot·​Scripts"><a·​href="release_structu​re.​html#idm1402310078231​04">Generating·​Boot·​Scripts</​a></​li>
169 <li·​title="Creating·​a·​Release·​Package"><a·​href="release_structu​re.​html#idm1397214729207​36">Creating·​a·​Release·​Package</​a></​li> 169 <li·​title="Creating·​a·​Release·​Package"><a·​href="release_structu​re.​html#idm1402310078118​40">Creating·​a·​Release·​Package</​a></​li>
170 <li·​title="Directory·​Structure"><a·​href="release_structu​re.​html#idm1397214729029​12">Directory·​Structure</​a></​li> 170 <li·​title="Directory·​Structure"><a·​href="release_structu​re.​html#idm1402310077940​16">Directory·​Structure</​a></​li>
171 </​ul> 171 </​ul>
172 </​li> 172 </​li>
173 <li·​id="loadscrollpos"·​title="Release·​Handling"·​expanded="true">Relea​se·​Handling<ul> 173 <li·​id="loadscrollpos"·​title="Release·​Handling"·​expanded="true">Relea​se·​Handling<ul>
174 <li><a·​href="release_handlin​g.​html"> 174 <li><a·​href="release_handlin​g.​html">
175 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter 175 ·​·​·​·​·​·​·​·​·​·​·​·​·​·​Top·​of·​chapter
176
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