| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | /* Copyright (C) 1995-1999, 2000, 2002 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 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. |
| 8 | |
| 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. |
| 13 | |
| 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 |
| 17 | 02111-1307 USA. */ |
| 18 | |
| 19 | #ifndef _SYS_SHM_H |
| 20 | #define _SYS_SHM_H 1 |
| 21 | |
| 22 | #include <features.h> |
| 23 | |
| 24 | #define __need_size_t |
| 25 | #include <stddef.h> |
| 26 | |
| 27 | /* Get common definition of System V style IPC. */ |
| 28 | #include <sys/ipc.h> |
| 29 | |
| 30 | /* Get system dependent definition of `struct shmid_ds' and more. */ |
| 31 | #include <bits/shm.h> |
| 32 | |
| 33 | /* Define types required by the standard. */ |
| 34 | #define __need_time_t |
| 35 | #include <time.h> |
| 36 | |
| 37 | #ifdef __USE_XOPEN |
| 38 | # ifndef __pid_t_defined |
| 39 | typedef __pid_t pid_t; |
| 40 | # define __pid_t_defined |
| 41 | # endif |
| 42 | #endif /* X/Open */ |
| 43 | |
| 44 | |
| 45 | __BEGIN_DECLS |
| 46 | |
| 47 | /* The following System V style IPC functions implement a shared memory |
| 48 | facility. The definition is found in XPG4.2. */ |
| 49 | |
| 50 | /* Shared memory control operation. */ |
| 51 | extern int shmctl (int __shmid, int __cmd, struct shmid_ds *__buf) __THROW; |
| 52 | |
| 53 | /* Get shared memory segment. */ |
| 54 | extern int shmget (key_t __key, size_t __size, int __shmflg) __THROW; |
| 55 | |
| 56 | /* Attach shared memory segment. */ |
| 57 | extern void *shmat (int __shmid, __const void *__shmaddr, int __shmflg) |
| 58 | __THROW; |
| 59 | |
| 60 | /* Detach shared memory segment. */ |
| 61 | extern int shmdt (__const void *__shmaddr) __THROW; |
| 62 | |
| 63 | __END_DECLS |
| 64 | |
| 65 | #endif /* sys/shm.h */ |