shm.h revision 261363 
1/*
2 * Copyright (c) 2000-2003, 2005 Proofpoint, Inc. and its suppliers.
3 *      All rights reserved.
4 *
5 * By using this file, you agree to the terms and conditions set
6 * forth in the LICENSE file which can be found at the top level of
7 * the sendmail distribution.
8 *
9 *	$Id: shm.h,v 1.12 2013/11/22 20:51:31 ca Exp $
10 */
11
12#ifndef SM_SHM_H
13# define SM_SHM_H
14
15# if SM_CONF_SHM
16#  include <sys/types.h>
17#  include <sys/ipc.h>
18#  include <sys/shm.h>
19
20/* # include "def.h"	*/
21
22/* key for shared memory */
23#  define SM_SHM_KEY	((key_t) 42)
24
25/* return value for failed shmget() */
26#  define SM_SHM_NULL	((void *) -1)
27#  define SM_SHM_NO_ID	(-2)
28
29extern void *sm_shmstart __P((key_t, int , int , int *, bool));
30extern int sm_shmstop __P((void *, int, bool));
31extern int sm_shmsetowner __P((int, uid_t, gid_t, mode_t));
32
33
34/* for those braindead systems... (e.g., SunOS 4) */
35#  ifndef SHM_R
36#   define SHM_R       0400
37#  endif /* SHM_R */
38#  ifndef SHM_W
39#   define SHM_W       0200
40#  endif /* SHM_W */
41
42# endif /* SM_CONF_SHM */
43#endif /* ! SM_SHM_H */
44