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/* Trivial test of barrier.  */

#include <omp.h>

#include <sys/time.h>

#include <unistd.h>

#include <assert.h>

#include "libgomp_g.h"

struct timeval stamps[3][3];

static void function(void *dummy)

{

  int iam = omp_get_thread_num ();

  gettimeofday (&stamps[iam][0], NULL);

  if (iam == 0)

    usleep (10);

  GOMP_barrier ();

  if (iam == 0)

    {

      gettimeofday (&stamps[0][1], NULL);

      usleep (10);

    }

  GOMP_barrier ();

  gettimeofday (&stamps[iam][2], NULL);

}

int main()

{

  omp_set_dynamic (0);

  GOMP_parallel_start (function, NULL, 3);

  function (NULL);

  GOMP_parallel_end ();

  assert (!timercmp (&stamps[0][0], &stamps[0][1], >));

  assert (!timercmp (&stamps[1][0], &stamps[0][1], >));

  assert (!timercmp (&stamps[2][0], &stamps[0][1], >));

  assert (!timercmp (&stamps[0][1], &stamps[0][2], >));

  assert (!timercmp (&stamps[0][1], &stamps[1][2], >));

  assert (!timercmp (&stamps[0][1], &stamps[2][2], >));

  return 0;

}