1 #ifndef _SYS_SEM_H
2 #define _SYS_SEM_H
3 #ifdef __cplusplus
4 extern "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
36 struct 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
49 struct sembuf {
50 unsigned short sem_num;
51 short sem_op;
52 short sem_flg;
53 };
54
55 int semctl(int, int, int, ...);
56 int semget(key_t, int, int);
57 int semop(int, struct sembuf *, size_t);
58
59 #ifdef _GNU_SOURCE
60 int 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
73