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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
/* Copyright (C) 1995-1999, 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef _SYS_IPC_H
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# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
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#endif
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#include <bits/types.h>
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/* Mode bits for `msgget', `semget', and `shmget'. */
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#define IPC_CREAT 01000 /* Create key if key does not exist. */
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#define IPC_EXCL 02000 /* Fail if key exists. */
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#define IPC_NOWAIT 04000 /* Return error on wait. */
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/* Control commands for `msgctl', `semctl', and `shmctl'. */
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#define IPC_RMID 0 /* Remove identifier. */
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#define IPC_SET 1 /* Set `ipc_perm' options. */
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#define IPC_STAT 2 /* Get `ipc_perm' options. */
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#ifdef __USE_GNU
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# define IPC_INFO 3 /* See ipcs. */
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#endif
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/* Special key values. */
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#define IPC_PRIVATE ((__key_t) 0) /* Private key. */
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/* Data structure used to pass permission information to IPC operations. */
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struct ipc_perm
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{
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__key_t __key; /* Key. */
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__uid_t uid; /* Owner's user ID. */
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__gid_t gid; /* Owner's group ID. */
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__uid_t cuid; /* Creator's user ID. */
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__gid_t cgid; /* Creator's group ID. */
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__mode_t mode; /* Read/write permission. */
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unsigned long int __seq; /* Sequence number. */
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unsigned int __pad1;
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unsigned long long int __unused1;
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unsigned long long int __unused2;
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};
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__BEGIN_DECLS
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/* The actual system call: all functions are multiplexed by this. */
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extern int __ipc (int __call, int __first, int __second, int __third,
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void *__ptr) __THROW;
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__END_DECLS
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#ifdef __USE_GNU
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/* The codes for the functions to use the multiplexer `__ipc'. */
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# define IPCOP_semop 1
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# define IPCOP_semget 2
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# define IPCOP_semctl 3
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# define IPCOP_msgsnd 11
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# define IPCOP_msgrcv 12
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# define IPCOP_msgget 13
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# define IPCOP_msgctl 14
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# define IPCOP_shmat 21
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# define IPCOP_shmdt 22
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# define IPCOP_shmget 23
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# define IPCOP_shmctl 24
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#endif
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