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 <endian.h>
29 
30 #include <bits/sem.h>
31 
32 #define _SEM_SEMUN_UNDEFINED 1
33 
34 #define SEM_STAT 18
35 #define SEM_INFO 19
36 #define SEM_STAT_ANY 20
37 
38 struct  seminfo {
39 	int semmap;
40 	int semmni;
41 	int semmns;
42 	int semmnu;
43 	int semmsl;
44 	int semopm;
45 	int semume;
46 	int semusz;
47 	int semvmx;
48 	int semaem;
49 };
50 
51 struct sembuf {
52 	unsigned short sem_num;
53 	short sem_op;
54 	short sem_flg;
55 };
56 
57 int semctl(int, int, int, ...);
58 int semget(key_t, int, int);
59 int semop(int, struct sembuf *, size_t);
60 
61 #ifdef _GNU_SOURCE
62 int semtimedop(int, struct sembuf *, size_t, const struct timespec *);
63 #endif
64 
65 #ifdef __cplusplus
66 }
67 #endif
68 #endif
69