gnu/dist/gcc4/gcc/testsuite/gcc.dg/noncompile/971104-1.c

   1 extern int printf(const char *, ...);
   2 typedef unsigned short          ushort;
   3 struct sembuf {
   4   ushort  sem_num;
   5   short   sem_op;
   6   short   sem_flg;
   7 };
   8 union semun {
   9   int val;
  10   struct semid_ds *buf;
  11   ushort *array;
  12   struct seminfo *__buf;
  13   void *__pad;
  14 };
  15 static union semun semctl_arg;
  16 static int semid;
  17 static void up(int sem){
  18   struct sembuf sb;
  19   sb.sem_num = (unsigned short) sem;
  20   sb.sem_op  = 1;
  21   sb.sem_flg = 0x1000 ;
  22   if(semop(semid, &sb, 1) == -1) error("up failure");
  23   if(semctl(semid, sb.sem_num, 12 , semctl_arg) == 0)
  24     printf("%s had processes sleeping on it!\n",
  25     ({ "MUTEX     ", "BARB_SEM 1", "BARB_SEM 2", "CUST_SEM 1",
  26        "CUST_SEM 2", "WAIT_SEM 1", "WAIT_SEM 2", "WAIT_SEM 3",
  27        "WAIT_SEM 4"}     /* { dg-error "parse error|syntax error|expected" } */
  28         [( sb.sem_num )]) ); /* { dg-error "expected" } */
  29 }