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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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