diff options
Diffstat (limited to 'include/sys/sem.h')
| -rw-r--r-- | include/sys/sem.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/include/sys/sem.h b/include/sys/sem.h new file mode 100644 index 00000000..15d8b685 --- /dev/null +++ b/include/sys/sem.h @@ -0,0 +1,69 @@ +#ifndef _SYS_SEM_H +#define _SYS_SEM_H +#ifdef __cplusplus +extern "C" { +#endif + +#define __NEED_size_t +#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 + +struct semid_ds { + struct ipc_perm sem_perm; + long sem_otime; + unsigned long __unused1; + long sem_ctime; + unsigned long __unused2; + unsigned long sem_nsems; + unsigned long __unused3; + unsigned long __unused4; +}; + +#define _SEM_SEMUN_UNDEFINED 1 + +#define SEM_STAT 18 +#define SEM_INFO 19 + +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 +#define __NEED_struct_timespec +#include <bits/alltypes.h> +int semtimedop(int, struct sembuf *, size_t, const struct timespec *); +#endif + +#ifdef __cplusplus +} +#endif +#endif |