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01: /* Copyright (C) 1995-1999, 2000, 2002 Free Software Foundation, Inc.
02:    This file is part of the GNU C Library.
03: 
04:    The GNU C Library is free software; you can redistribute it and/or
05:    modify it under the terms of the GNU Lesser General Public
06:    License as published by the Free Software Foundation; either
07:    version 2.1 of the License, or (at your option) any later version.
08: 
09:    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 */
66: 

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