libgomp/testsuite/libgomp.c/lock-3.c

   1 /* { dg-do run { target *-*-linux* *-*-gnu* *-*-freebsd* } } */
   2
   3 #ifndef _GNU_SOURCE
   4 #define _GNU_SOURCE 1
   5 #endif
   6 #include <pthread.h>
   7 #include <omp.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10
  11 pthread_barrier_t bar;
  12 omp_nest_lock_t lock;
  13
  14 void *tf (void *p)
  15 {
  16   int l;
  17   if (p)
  18     {
  19       if (omp_test_nest_lock (&lock) != 1)
  20         abort ();
  21       if (omp_test_nest_lock (&lock) != 2)
  22         abort ();
  23     }
  24   pthread_barrier_wait (&bar);
  25   if (!p && omp_test_nest_lock (&lock) != 0)
  26     abort ();
  27   pthread_barrier_wait (&bar);
  28   if (p)
  29     {
  30       if (omp_test_nest_lock (&lock) != 3)
  31         abort ();
  32       omp_unset_nest_lock (&lock);
  33       omp_unset_nest_lock (&lock);
  34       omp_unset_nest_lock (&lock);
  35     }
  36   pthread_barrier_wait (&bar);
  37   if (!p)
  38     {
  39       if (omp_test_nest_lock (&lock) != 1)
  40         abort ();
  41       if (omp_test_nest_lock (&lock) != 2)
  42         abort ();
  43       omp_unset_nest_lock (&lock);
  44       omp_unset_nest_lock (&lock);
  45     }
  46   return NULL;
  47 }
  48
  49 int
  50 main (void)
  51 {
  52   pthread_t th;
  53   omp_init_nest_lock (&lock);
  54   pthread_barrier_init (&bar, NULL, 2);
  55   pthread_create (&th, NULL, tf, NULL);
  56   tf ("");
  57   pthread_join (th, NULL);
  58   omp_destroy_nest_lock (&lock);
  59   return 0;
  60 }