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- /* Copyright (C) 1995-1999, 2000, 2002 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
- #ifndef _SYS_SHM_H
- #define _SYS_SHM_H 1
- #include <features.h>
- #define __need_size_t
- #include <stddef.h>
- /* Get common definition of System V style IPC. */
- #include <sys/ipc.h>
- /* Get system dependent definition of `struct shmid_ds' and more. */
- #include <bits/shm.h>
- /* Define types required by the standard. */
- #define __need_time_t
- #include <time.h>
- #ifdef __USE_XOPEN
- # ifndef __pid_t_defined
- typedef __pid_t pid_t;
- # define __pid_t_defined
- # endif
- #endif /* X/Open */
- __BEGIN_DECLS
- /* The following System V style IPC functions implement a shared memory
- facility. The definition is found in XPG4.2. */
- /* Shared memory control operation. */
- extern int shmctl (int __shmid, int __cmd, struct shmid_ds *__buf) __THROW;
- /* Get shared memory segment. */
- extern int shmget (key_t __key, size_t __size, int __shmflg) __THROW;
- /* Attach shared memory segment. */
- extern void *shmat (int __shmid, const void *__shmaddr, int __shmflg)
- __THROW;
- /* Detach shared memory segment. */
- extern int shmdt (const void *__shmaddr) __THROW;
- __END_DECLS
- #endif /* sys/shm.h */
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