forked from OSchip/llvm-project
45 lines
815 B
C
45 lines
815 B
C
// RUN: %libomp-compile-and-run
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#include <stdio.h>
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#include "omp_testsuite.h"
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#include "omp_my_sleep.h"
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int test_omp_barrier()
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{
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int result1;
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int result2;
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result1 = 0;
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result2 = 0;
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#pragma omp parallel
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{
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int rank;
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rank = omp_get_thread_num ();
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if (rank ==1) {
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my_sleep(((double)SLEEPTIME)/REPETITIONS); // give 1 sec to whole test
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result2 = 3;
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}
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#pragma omp barrier
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if (rank == 2) {
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result1 = result2;
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}
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}
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return (result1 == 3);
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}
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int main()
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{
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int i;
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int num_failed=0;
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#ifdef _OPENMP
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omp_set_dynamic(0); // prevent runtime to change number of threads
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omp_set_num_threads(4); // the test expects at least 3 threads
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for(i = 0; i < REPETITIONS; i++) {
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if(!test_omp_barrier()) {
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num_failed++;
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}
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}
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#endif
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return num_failed;
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}
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