forked from OSchip/llvm-project
45 lines
867 B
C
45 lines
867 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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/*
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* Checks that false is returned when called from serial region
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* and true is returned when called within parallel region.
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*/
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int test_omp_in_parallel()
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{
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int serial;
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int isparallel;
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serial = 1;
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isparallel = 0;
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serial = omp_in_parallel();
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#pragma omp parallel
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{
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#pragma omp single
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{
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isparallel = omp_in_parallel();
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}
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}
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return (!(serial) && isparallel);
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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_in_parallel()) {
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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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