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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;
}
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