include/sys/sem.h

   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
  37 struct  seminfo {
  38         int semmap;
  39         int semmni;
  40         int semmns;
  41         int semmnu;
  42         int semmsl;
  43         int semopm;
  44         int semume;
  45         int semusz;
  46         int semvmx;
  47         int semaem;
  48 };
  49
  50 struct sembuf {
  51         unsigned short sem_num;
  52         short sem_op;
  53         short sem_flg;
  54 };
  55
  56 int semctl(int, int, int, ...);
  57 int semget(key_t, int, int);
  58 int semop(int, struct sembuf *, size_t);
  59
  60 #ifdef _GNU_SOURCE
  61 int semtimedop(int, struct sembuf *, size_t, const struct timespec *);
  62 #endif
  63
  64 #ifdef __cplusplus
  65 }
  66 #endif
  67 #endif