libgomp/testsuite/libgomp.c/lib-1.c

   1 #include <stdlib.h>
   2 #include <omp.h>
   3
   4 int
   5 main (void)
   6 {
   7   double d, e;
   8   int l;
   9   omp_lock_t lck;
  10   omp_nest_lock_t nlck;
  11
  12   d = omp_get_wtime ();
  13
  14   omp_init_lock (&lck);
  15   omp_set_lock (&lck);
  16   if (omp_test_lock (&lck))
  17     abort ();
  18   omp_unset_lock (&lck);
  19   if (! omp_test_lock (&lck))
  20     abort ();
  21   if (omp_test_lock (&lck))
  22     abort ();
  23   omp_unset_lock (&lck);
  24   omp_destroy_lock (&lck);
  25
  26   omp_init_nest_lock (&nlck);
  27   if (omp_test_nest_lock (&nlck) != 1)
  28     abort ();
  29   omp_set_nest_lock (&nlck);
  30   if (omp_test_nest_lock (&nlck) != 3)
  31     abort ();
  32   omp_unset_nest_lock (&nlck);
  33   omp_unset_nest_lock (&nlck);
  34   if (omp_test_nest_lock (&nlck) != 2)
  35     abort ();
  36   omp_unset_nest_lock (&nlck);
  37   omp_unset_nest_lock (&nlck);
  38   omp_destroy_nest_lock (&nlck);
  39
  40   omp_set_dynamic (1);
  41   if (! omp_get_dynamic ())
  42     abort ();
  43   omp_set_dynamic (0);
  44   if (omp_get_dynamic ())
  45     abort ();
  46
  47   omp_set_nested (1);
  48   if (! omp_get_nested ())
  49     abort ();
  50   omp_set_nested (0);
  51   if (omp_get_nested ())
  52     abort ();
  53
  54   omp_set_num_threads (5);
  55   if (omp_get_num_threads () != 1)
  56     abort ();
  57   if (omp_get_max_threads () != 5)
  58     abort ();
  59   if (omp_get_thread_num () != 0)
  60     abort ();
  61   omp_set_num_threads (3);
  62   if (omp_get_num_threads () != 1)
  63     abort ();
  64   if (omp_get_max_threads () != 3)
  65     abort ();
  66   if (omp_get_thread_num () != 0)
  67     abort ();
  68   l = 0;
  69 #pragma omp parallel reduction (|:l)
  70   {
  71     l = omp_get_num_threads () != 3;
  72     l |= omp_get_thread_num () < 0;
  73     l |= omp_get_thread_num () >= 3;
  74 #pragma omp master
  75     l |= omp_get_thread_num () != 0;
  76   }
  77   if (l)
  78     abort ();
  79
  80   if (omp_get_num_procs () <= 0)
  81     abort ();
  82   if (omp_in_parallel ())
  83     abort ();
  84 #pragma omp parallel reduction (|:l)
  85   l = ! omp_in_parallel ();
  86 #pragma omp parallel reduction (|:l) if (1)
  87   l = ! omp_in_parallel ();
  88   if (l)
  89     abort ();
  90
  91   e = omp_get_wtime ();
  92   if (d > e)
  93     abort ();
  94   d = omp_get_wtick ();
  95   /* Negative precision is definitely wrong,
  96      bigger than 1s clock resolution is also strange.  */
  97   if (d <= 0 || d > 1)
  98     abort ();
  99
 100   return 0;
 101 }