src/api/sys_sem.c

   1 #include <sys/sem.h>
   2 #define T(t) (t*)0;
   3 #define F(t,n) {t *y = &x.n;}
   4 #define C(n) switch(n){case n:;}
   5 static void f()
   6 {
   7 T(pid_t)
   8 T(size_t)
   9 T(time_t)
  10 C(SEM_UNDO)
  11 C(GETNCNT)
  12 C(GETPID)
  13 C(GETVAL)
  14 C(GETALL)
  15 C(GETZCNT)
  16 C(SETVAL)
  17 C(SETALL)
  18 {
  19 struct semid_ds x;
  20 F(struct ipc_perm,sem_perm)
  21 F(unsigned short, sem_nsems)
  22 F(time_t, sem_otime)
  23 F(time_t, sem_ctime)
  24 }
  25 {
  26 struct sembuf x;
  27 F(unsigned short,sem_num)
  28 F(short, sem_op)
  29 F(short, sem_flg)
  30 }
  31 {int(*p)(int,int,int,...) = semctl;}
  32 {int(*p)(key_t,int,int) = semget;}
  33 {int(*p)(int,struct sembuf*,size_t) = semop;}
  34
  35 T(uid_t)
  36 T(gid_t)
  37 T(mode_t)
  38 T(key_t)
  39 {
  40 struct ipc_perm x;
  41 F(uid_t,uid)
  42 F(gid_t,gid)
  43 F(uid_t,cuid)
  44 F(gid_t,cgid)
  45 F(mode_t, mode)
  46 }
  47 C(IPC_CREAT)
  48 C(IPC_EXCL)
  49 C(IPC_NOWAIT)
  50 C(IPC_PRIVATE)
  51 C(IPC_RMID)
  52 C(IPC_SET)
  53 C(IPC_STAT)
  54 {key_t(*p)(const char*,int) = ftok;}
  55 }