libgomp/testsuite/libgomp.c/task-2.c

   1 extern void abort (void);
   2
   3 int
   4 f1 (void)
   5 {
   6   int a = 6, e = 0;
   7   int nested (int x)
   8   {
   9     return x + a;
  10   }
  11   #pragma omp task
  12   {
  13     int n = nested (5);
  14     if (n != 11)
  15       #pragma omp atomic
  16         e += 1;
  17   }
  18   #pragma omp taskwait
  19   return e;
  20 }
  21
  22 int
  23 f2 (void)
  24 {
  25   int a = 6, e = 0;
  26   int nested (int x)
  27   {
  28     return x + a;
  29   }
  30   a = nested (4);
  31   #pragma omp task
  32   {
  33     if (a != 10)
  34       #pragma omp atomic
  35         e += 1;
  36   }
  37   #pragma omp taskwait
  38   return e;
  39 }
  40
  41 int
  42 main (void)
  43 {
  44   int e = 0;
  45   #pragma omp parallel num_threads(4) reduction(+:e)
  46   {
  47     e += f1 ();
  48     e += f2 ();
  49   }
  50   if (e)
  51     abort ();
  52   return 0;
  53 }