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1 | # IPC::SysV.pm |
2 | # |
3 | # Copyright (c) 1997 Graham Barr <gbarr@pobox.com>. All rights reserved. |
4 | # This program is free software; you can redistribute it and/or |
5 | # modify it under the same terms as Perl itself. |
6 | |
7 | package IPC::SysV; |
8 | |
9 | use strict; |
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10 | use vars qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $VERSION $XS_VERSION); |
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11 | use Carp; |
12 | use Config; |
13 | |
14 | require Exporter; |
15 | @ISA = qw(Exporter); |
16 | |
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17 | $VERSION = "1.05"; |
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18 | $XS_VERSION = $VERSION; |
19 | $VERSION = eval $VERSION; |
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20 | |
21 | @EXPORT_OK = qw( |
22 | GETALL GETNCNT GETPID GETVAL GETZCNT |
23 | |
24 | IPC_ALLOC IPC_CREAT IPC_EXCL IPC_GETACL IPC_LOCKED IPC_M |
25 | IPC_NOERROR IPC_NOWAIT IPC_PRIVATE IPC_R IPC_RMID IPC_SET |
26 | IPC_SETACL IPC_SETLABEL IPC_STAT IPC_W IPC_WANTED |
27 | |
28 | MSG_FWAIT MSG_LOCKED MSG_MWAIT MSG_NOERROR MSG_QWAIT |
29 | MSG_R MSG_RWAIT MSG_STAT MSG_W MSG_WWAIT |
30 | |
31 | SEM_A SEM_ALLOC SEM_DEST SEM_ERR SEM_ORDER SEM_R SEM_UNDO |
32 | |
33 | SETALL SETVAL |
34 | |
35 | SHMLBA |
36 | |
37 | SHM_A SHM_CLEAR SHM_COPY SHM_DCACHE SHM_DEST SHM_ECACHE |
38 | SHM_FMAP SHM_ICACHE SHM_INIT SHM_LOCK SHM_LOCKED SHM_MAP |
39 | SHM_NOSWAP SHM_R SHM_RDONLY SHM_REMOVED SHM_RND SHM_SHARE_MMU |
40 | SHM_SHATTR SHM_SIZE SHM_UNLOCK SHM_W |
41 | |
42 | S_IRUSR S_IWUSR S_IRWXU |
43 | S_IRGRP S_IWGRP S_IRWXG |
44 | S_IROTH S_IWOTH S_IRWXO |
45 | |
46 | ftok |
47 | ); |
48 | |
49 | BOOT_XS: { |
50 | # If I inherit DynaLoader then I inherit AutoLoader and I DON'T WANT TO |
51 | require DynaLoader; |
52 | |
53 | # DynaLoader calls dl_load_flags as a static method. |
54 | *dl_load_flags = DynaLoader->can('dl_load_flags'); |
55 | |
56 | do { |
57 | __PACKAGE__->can('bootstrap') || \&DynaLoader::bootstrap |
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58 | }->(__PACKAGE__, $XS_VERSION); |
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59 | } |
60 | |
61 | 1; |
62 | |
63 | __END__ |
64 | |
65 | =head1 NAME |
66 | |
67 | IPC::SysV - SysV IPC constants |
68 | |
69 | =head1 SYNOPSIS |
70 | |
71 | use IPC::SysV qw(IPC_STAT IPC_PRIVATE); |
72 | |
73 | =head1 DESCRIPTION |
74 | |
75 | C<IPC::SysV> defines and conditionally exports all the constants |
76 | defined in your system include files which are needed by the SysV |
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77 | IPC calls. Common ones include |
78 | |
79 | IPC_CREATE IPC_EXCL IPC_NOWAIT IPC_PRIVATE IPC_RMID IPC_SET IPC_STAT |
80 | GETVAL SETVAL GETPID GETNCNT GETZCNT GETALL SETALL |
81 | SEM_A SEM_R SEM_UNDO |
82 | SHM_RDONLY SHM_RND SHMLBA |
83 | |
84 | and auxiliary ones |
85 | |
86 | S_IRUSR S_IWUSR S_IRWXU |
87 | S_IRGRP S_IWGRP S_IRWXG |
88 | S_IROTH S_IWOTH S_IRWXO |
89 | |
90 | but your system might have more. |
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91 | |
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92 | =over 4 |
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93 | |
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94 | =item ftok( PATH, ID ) |
95 | |
96 | Return a key based on PATH and ID, which can be used as a key for |
97 | C<msgget>, C<semget> and C<shmget>. See L<ftok> |
98 | |
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99 | =back |
100 | |
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101 | =head1 SEE ALSO |
102 | |
103 | L<IPC::Msg>, L<IPC::Semaphore>, L<ftok> |
104 | |
105 | =head1 AUTHORS |
106 | |
107 | Graham Barr <gbarr@pobox.com> |
108 | Jarkko Hietaniemi <jhi@iki.fi> |
109 | |
110 | =head1 COPYRIGHT |
111 | |
112 | Copyright (c) 1997 Graham Barr. All rights reserved. |
113 | This program is free software; you can redistribute it and/or modify it |
114 | under the same terms as Perl itself. |
115 | |
116 | =cut |
117 | |