1/*
| 1/*
|
2 * Copyright (c) 2000-2001, 2005, 2008 Proofpoint, Inc. and its suppliers.
| 2 * Copyright (c) 2000-2001, 2005 Sendmail, 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 *
| 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: sem.h,v 1.11 2013-11-22 20:51:31 ca Exp $
| 9 * $Id: sem.h,v 1.9 2005/02/17 22:08:58 ca Exp $
|
10 */
11
12#ifndef SM_SEM_H
13# define SM_SEM_H 1
14
15#include <sm/gen.h>
16
17/* key for semaphores */
18# define SM_SEM_KEY (41L)
19# define SM_SEM_NO_ID (-1)
20# define SM_NO_SEM(id) ((id) < 0)
21
22# if SM_CONF_SEM > 0
23# include <sys/types.h>
24# include <sys/ipc.h>
25# include <sys/sem.h>
26
27# if SM_CONF_SEM == 2
28union semun
29{
30 int val;
31 struct semid_ds *buf;
32 ushort *array;
33};
34# endif /* SM_CONF_SEM == 2 */
35
36# ifndef SEM_A
37# define SEM_A 0200
38# endif /* SEM_A */
39# ifndef SEM_R
40# define SEM_R 0400
41# endif /* SEM_R */
42
43# define SM_NSEM 1
44
45extern int sm_sem_start __P((key_t, int, int, bool));
46extern int sm_sem_stop __P((int));
47extern int sm_sem_acq __P((int, int, int));
48extern int sm_sem_rel __P((int, int, int));
49extern int sm_sem_get __P((int, int));
| 10 */
11
12#ifndef SM_SEM_H
13# define SM_SEM_H 1
14
15#include <sm/gen.h>
16
17/* key for semaphores */
18# define SM_SEM_KEY (41L)
19# define SM_SEM_NO_ID (-1)
20# define SM_NO_SEM(id) ((id) < 0)
21
22# if SM_CONF_SEM > 0
23# include <sys/types.h>
24# include <sys/ipc.h>
25# include <sys/sem.h>
26
27# if SM_CONF_SEM == 2
28union semun
29{
30 int val;
31 struct semid_ds *buf;
32 ushort *array;
33};
34# endif /* SM_CONF_SEM == 2 */
35
36# ifndef SEM_A
37# define SEM_A 0200
38# endif /* SEM_A */
39# ifndef SEM_R
40# define SEM_R 0400
41# endif /* SEM_R */
42
43# define SM_NSEM 1
44
45extern int sm_sem_start __P((key_t, int, int, bool));
46extern int sm_sem_stop __P((int));
47extern int sm_sem_acq __P((int, int, int));
48extern int sm_sem_rel __P((int, int, int));
49extern int sm_sem_get __P((int, int));
|
50extern int sm_semsetowner __P((int, uid_t, gid_t, mode_t));
| |
51
52# else /* SM_CONF_SEM > 0 */
53# define sm_sem_start(key, nsem, semflg, owner) 0
54# define sm_sem_stop(semid) 0
55# define sm_sem_acq(semid, semnum, timeout) 0
56# define sm_sem_rel(semid, semnum, timeout) 0
57# define sm_sem_get(semid, semnum) 0
58# endif /* SM_CONF_SEM > 0 */
59
60#endif /* ! SM_SEM_H */
| 50
51# else /* SM_CONF_SEM > 0 */
52# define sm_sem_start(key, nsem, semflg, owner) 0
53# define sm_sem_stop(semid) 0
54# define sm_sem_acq(semid, semnum, timeout) 0
55# define sm_sem_rel(semid, semnum, timeout) 0
56# define sm_sem_get(semid, semnum) 0
57# endif /* SM_CONF_SEM > 0 */
58
59#endif /* ! SM_SEM_H */
|