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#ifndef _SYS_SEM_H
#define _SYS_SEM_H
#ifdef __cplusplus
extern "C" {
#endif
#include <features.h>
#define __NEED_size_t
#define __NEED_pid_t
#define __NEED_time_t
#ifdef _GNU_SOURCE
#define __NEED_struct_timespec
#endif
#include <bits/alltypes.h>
#include <sys/ipc.h>
#define SEM_UNDO 0x1000
#define GETPID 11
#define GETVAL 12
#define GETALL 13
#define GETNCNT 14
#define GETZCNT 15
#define SETVAL 16
#define SETALL 17
#include <bits/sem.h>
#define _SEM_SEMUN_UNDEFINED 1
#define SEM_STAT (18 | (IPC_STAT & 0x100))
#define SEM_INFO 19
#define SEM_STAT_ANY (20 | (IPC_STAT & 0x100))
struct seminfo {
int semmap;
int semmni;
int semmns;
int semmnu;
int semmsl;
int semopm;
int semume;
int semusz;
int semvmx;
int semaem;
};
struct sembuf {
unsigned short sem_num;
short sem_op;
short sem_flg;
};
int semctl(int, int, int, ...);
int semget(key_t, int, int);
int semop(int, struct sembuf *, size_t);
#ifdef _GNU_SOURCE
int semtimedop(int, struct sembuf *, size_t, const struct timespec *);
#endif
#ifdef __cplusplus
}
#endif
#endif
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