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51 lines
1005 B
51 lines
1005 B
7 months ago
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// 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_flush()
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{
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int result1;
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int result2;
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int dummy;
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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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#pragma omp barrier
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if (rank == 1) {
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result2 = 3;
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#pragma omp flush (result2)
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dummy = result2;
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}
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if (rank == 0) {
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my_sleep(SLEEPTIME);
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#pragma omp flush (result2)
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result1 = result2;
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}
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} /* end of parallel */
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return ((result1 == result2) && (result2 == dummy) && (result2 == 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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// the test requires more than 1 thread to pass
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omp_set_dynamic(0); // disable dynamic adjustment of threads
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if (omp_get_max_threads() == 1)
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omp_set_num_threads(2); // set 2 threads if no HW resources available
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for (i = 0; i < REPETITIONS; i++) {
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if(!test_omp_flush()) {
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num_failed++;
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}
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}
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return num_failed;
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}
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