1#ifndef _SYS_SEM_H
 2#define _SYS_SEM_H
 3#ifdef __cplusplus
 4extern "C" {
 5#endif
 6
 7#include <features.h>
 8
 9#define __NEED_size_t
10#define __NEED_pid_t
11#define __NEED_time_t
12#ifdef _GNU_SOURCE
13#define __NEED_struct_timespec
14#endif
15#include <bits/alltypes.h>
16
17#include <sys/ipc.h>
18
19#define SEM_UNDO	0x1000
20#define GETPID		11
21#define GETVAL		12
22#define GETALL		13
23#define GETNCNT		14
24#define GETZCNT		15
25#define SETVAL		16
26#define SETALL		17
27
28#include <bits/sem.h>
29
30#define _SEM_SEMUN_UNDEFINED 1
31
32#define SEM_STAT (18 | (IPC_STAT & 0x100))
33#define SEM_INFO 19
34#define SEM_STAT_ANY (20 | (IPC_STAT & 0x100))
35
36struct  seminfo {
37	int semmap;
38	int semmni;
39	int semmns;
40	int semmnu;
41	int semmsl;
42	int semopm;
43	int semume;
44	int semusz;
45	int semvmx;
46	int semaem;
47};
48
49struct sembuf {
50	unsigned short sem_num;
51	short sem_op;
52	short sem_flg;
53};
54
55int semctl(int, int, int, ...);
56int semget(key_t, int, int);
57int semop(int, struct sembuf *, size_t);
58
59#ifdef _GNU_SOURCE
60int semtimedop(int, struct sembuf *, size_t, const struct timespec *);
61#endif
62
63#if _REDIR_TIME64
64#ifdef _GNU_SOURCE
65__REDIR(semtimedop, __semtimedop_time64);
66#endif
67#endif
68
69#ifdef __cplusplus
70}
71#endif
72#endif