IPC::SysV - SysV IPC constants
- use IPC::SysV qw(IPC_STAT IPC_PRIVATE);
IPC::SysV
defines and conditionally exports all the constants
defined in your system include files which are needed by the SysV
IPC calls. Common ones include
- IPC_CREATE IPC_EXCL IPC_NOWAIT IPC_PRIVATE IPC_RMID IPC_SET IPC_STAT
- GETVAL SETVAL GETPID GETNCNT GETZCNT GETALL SETALL
- SEM_A SEM_R SEM_UNDO
- SHM_RDONLY SHM_RND SHMLBA
and auxiliary ones
- S_IRUSR S_IWUSR S_IRWXU
- S_IRGRP S_IWGRP S_IRWXG
- S_IROTH S_IWOTH S_IRWXO
but your system might have more.
Return a key based on PATH and ID, which can be used as a key for
msgget, semget and shmget. See ftok
IPC::Msg, IPC::Semaphore, ftok
Graham Barr <gbarr@pobox.com> Jarkko Hietaniemi <jhi@iki.fi>
Copyright (c) 1997 Graham Barr. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.