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/* Trivial test of critical sections.  */

/* { dg-require-effective-target sync_int_long } */

#include <omp.h>

#include <sys/time.h>

#include <unistd.h>

#include <assert.h>

#include "libgomp_g.h"

static volatile int test = -1;

static void function(void *dummy)

{

  int iam = omp_get_thread_num ();

  int old;

  GOMP_critical_start ();

  old = __sync_lock_test_and_set (&test, iam);

  assert (old == -1);

  usleep (10);

  test = -1;

  GOMP_critical_end ();

}

int main()

{

  omp_set_dynamic (0);

  GOMP_parallel_start (function, NULL, 3);

  function (NULL);

  GOMP_parallel_end ();

  return 0;

}