13 #define __NEED_struct_timespec
15 #include <bits/alltypes.h>
19 #define SEM_UNDO 0x1000
31 struct ipc_perm sem_perm;
33 unsigned long __unused1;
35 unsigned long __unused2;
36 #if __BYTE_ORDER == __LITTLE_ENDIAN
37 unsigned short sem_nsems;
38 char __sem_nsems_pad[sizeof(long)-sizeof(short)];
40 char __sem_nsems_pad[sizeof(long)-sizeof(short)];
41 unsigned short sem_nsems;
43 unsigned long __unused3;
44 unsigned long __unused4;
47 #define _SEM_SEMUN_UNDEFINED 1
66 unsigned short sem_num;
71 int semctl(int, int, int, ...);
72 int semget(key_t, int, int);
73 int semop(int, struct sembuf *, size_t);
76 int semtimedop(int, struct sembuf *, size_t, const struct timespec *);