1 /* Copyright (C) 1995-1999, 2000 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
27 /* Get common definition of System V style IPC. */
30 /* Get system dependent definition of `struct shmid_ds' and more. */
33 /* Define types required by the standard. */
38 # ifndef __pid_t_defined
39 typedef __pid_t pid_t;
40 # define __pid_t_defined
46 /* The following System V style IPC functions implement a shared memory
47 facility. The definition is found in XPG4.2. */
49 /* Shared memory control operation. */
50 extern int shmctl (int __shmid, int __cmd, struct shmid_ds *__buf) __THROW;
52 /* Get shared memory segment. */
53 extern int shmget (key_t __key, size_t __size, int __shmflg) __THROW;
55 /* Attach shared memory segment. */
56 extern void *shmat (int __shmid, __const void *__shmaddr, int __shmflg)
59 /* Detach shared memory segment. */
60 extern int shmdt (__const void *__shmaddr) __THROW;
64 #endif /* sys/shm.h */