| /* Copyright (C) 1995-2014 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 */ |