gcc/testsuite/gcc.c-torture/noncompile/971104-1.c

   1 typedef unsigned short          ushort;
   2 struct sembuf {
   3   ushort  sem_num;
   4   short   sem_op;
   5   short   sem_flg;
   6 };
   7 union semun {
   8   int val;
   9   struct semid_ds *buf;
  10   ushort *array;
  11   struct seminfo *__buf;
  12   void *__pad;
  13 };
  14 static union semun semctl_arg;
  15 static int semid;
  16 static void up(int sem){
  17   struct sembuf sb;
  18   sb.sem_num = (unsigned short) sem;
  19   sb.sem_op  = 1;
  20   sb.sem_flg = 0x1000 ;
  21   if(semop(semid, &sb, 1) == -1) error("up failure");
  22   if(semctl(semid, sb.sem_num, 12 , semctl_arg) == 0)
  23     printf("%s had processes sleeping on it!\n",
  24     ({ "MUTEX     ", "BARB_SEM 1", "BARB_SEM 2", "CUST_SEM 1", "CUST_SEM 2", "WA
  25 IT_SEM 1", "WAIT_SEM 2", "WAIT_SEM 3", "WAIT_SEM 4"} [( sb.sem_num )]) );
  26 }