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// RUN: %libomp-compile-and-run
#include <stdio.h>
#include "omp_testsuite.h"
/*
* Test if the compiler supports nested parallelism
* By Chunhua Liao, University of Houston
* Oct. 2005
*/
int test_omp_nested()
{
#ifdef _OPENMP
if (omp_get_max_threads() > 4)
omp_set_num_threads(4);
#endif
int counter = 0;
#ifdef _OPENMP
omp_set_nested(1);
#endif
#pragma omp parallel shared(counter)
{
#pragma omp critical
counter++;
#pragma omp parallel
{
#pragma omp critical
counter--;
}
}
return (counter != 0);
}
int main()
{
int i;
int num_failed=0;
for(i = 0; i < REPETITIONS; i++) {
if(!test_omp_nested()) {
num_failed++;
}
}
return num_failed;
}
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