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// RUN: %libomp-compile-and-run
// RUN: %libomp-compile && env KMP_BLOCKTIME=infinite %libomp-run
// RUN: %libomp-compile && env KMP_PLAIN_BARRIER_PATTERN='hierarchical,hierarchical' KMP_FORKJOIN_BARRIER_PATTERN='hierarchical,hierarchical' %libomp-run
// RUN: %libomp-compile && env KMP_BLOCKTIME=infinite KMP_PLAIN_BARRIER_PATTERN='hierarchical,hierarchical' KMP_FORKJOIN_BARRIER_PATTERN='hierarchical,hierarchical' %libomp-run
#include <stdio.h>
#include "omp_testsuite.h"
#include "omp_my_sleep.h"
int test_omp_barrier()
{
int result1;
int result2;
result1 = 0;
result2 = 0;
#pragma omp parallel
{
int rank;
rank = omp_get_thread_num ();
if (rank ==1) {
my_sleep(((double)SLEEPTIME)/REPETITIONS); // give 1 sec to whole test
result2 = 3;
}
#pragma omp barrier
if (rank == 2) {
result1 = result2;
}
}
return (result1 == 3);
}
int main()
{
int i;
int num_failed=0;
#ifdef _OPENMP
omp_set_dynamic(0); // prevent runtime to change number of threads
omp_set_num_threads(4); // the test expects at least 3 threads
for(i = 0; i < REPETITIONS; i++) {
if(!test_omp_barrier()) {
num_failed++;
}
}
#endif
return num_failed;
}
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