48 lines
929 B
C
48 lines
929 B
C
// RUN: %libomp-compile-and-run
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// RUN: env KMP_LOCK_KIND=tas %libomp-run
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// RUN: env KMP_LOCK_KIND=futex %libomp-run
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#include <stdio.h>
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#include "omp_testsuite.h"
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omp_lock_t lck;
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int test_omp_test_lock()
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{
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int nr_threads_in_single = 0;
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int result = 0;
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int nr_iterations = 0;
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int i;
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omp_init_lock (&lck);
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#pragma omp parallel shared(lck)
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{
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#pragma omp for
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for (i = 0; i < LOOPCOUNT; i++) {
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while (!omp_test_lock (&lck))
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{};
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#pragma omp flush
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nr_threads_in_single++;
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#pragma omp flush
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nr_iterations++;
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nr_threads_in_single--;
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result = result + nr_threads_in_single;
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omp_unset_lock (&lck);
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}
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}
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omp_destroy_lock(&lck);
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return ((result == 0) && (nr_iterations == LOOPCOUNT));
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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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for(i = 0; i < REPETITIONS; i++) {
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if(!test_omp_test_lock()) {
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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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