libgomp/testsuite/libgomp.c/pr66133.c

   1 /* PR middle-end/66133 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O2 -fopenmp" } */
   4
   5 #include <stdlib.h>
   6 #include <unistd.h>
   7
   8 volatile int x;
   9
  10 __attribute__((noinline)) void
  11 foo (void)
  12 {
  13   if (x == 0)
  14     {
  15       #pragma omp task
  16         {
  17           usleep (2000);
  18           exit (0);
  19         }
  20     }
  21   else
  22     abort ();
  23 }
  24
  25 int
  26 main ()
  27 {
  28   #pragma omp parallel num_threads (2)
  29     {
  30       #pragma omp barrier
  31       #pragma omp single
  32         foo ();
  33     }
  34   exit (0);
  35 }