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0ed99ce4 | 1 | /* Copyright (C) 1995-1999, 2000 Free Software Foundation, Inc. |
8a4b65b4 | 2 | This file is part of the GNU C Library. |
60478656 | 3 | |
8a4b65b4 | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
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. | |
60478656 | 8 | |
8a4b65b4 UD |
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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
60478656 | 13 | |
41bdb6e2 AJ |
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. */ | |
60478656 RM |
18 | |
19 | #ifndef _SYS_SHM_H | |
8a4b65b4 | 20 | #define _SYS_SHM_H 1 |
5107cf1d | 21 | |
60478656 | 22 | #include <features.h> |
8a4b65b4 | 23 | |
219aa9e9 UD |
24 | #define __need_size_t |
25 | #include <stddef.h> | |
60478656 RM |
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. */ | |
5107cf1d | 31 | #include <bits/shm.h> |
60478656 | 32 | |
0ed99ce4 UD |
33 | /* Define types required by the standard. */ |
34 | #define __need_time_t | |
35 | #include <time.h> | |
36 | ||
91bc38d0 UD |
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 */ | |
60478656 | 43 | |
0da2f50b UD |
44 | __BEGIN_DECLS |
45 | ||
60478656 | 46 | /* Segment low boundary address multiple. */ |
50304ef0 | 47 | #define SHMLBA (__getpagesize ()) |
219f2381 | 48 | extern int __getpagesize (void) __THROW __attribute__ ((__const__)); |
219aa9e9 | 49 | |
60478656 | 50 | |
60478656 | 51 | /* The following System V style IPC functions implement a shared memory |
3e5f5557 | 52 | facility. The definition is found in XPG4.2. */ |
60478656 RM |
53 | |
54 | /* Shared memory control operation. */ | |
c1422e5b | 55 | extern int shmctl (int __shmid, int __cmd, struct shmid_ds *__buf) __THROW; |
60478656 RM |
56 | |
57 | /* Get shared memory segment. */ | |
c1422e5b | 58 | extern int shmget (key_t __key, size_t __size, int __shmflg) __THROW; |
60478656 RM |
59 | |
60 | /* Attach shared memory segment. */ | |
c1422e5b UD |
61 | extern void *shmat (int __shmid, __const void *__shmaddr, int __shmflg) |
62 | __THROW; | |
60478656 RM |
63 | |
64 | /* Detach shared memory segment. */ | |
c1422e5b | 65 | extern int shmdt (__const void *__shmaddr) __THROW; |
60478656 RM |
66 | |
67 | __END_DECLS | |
68 | ||
5107cf1d | 69 | #endif /* sys/shm.h */ |