omp_single.c
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// RUN: %libomp-compile-and-run
#include <stdio.h>
#include "omp_testsuite.h"
int test_omp_single()
{
int nr_threads_in_single;
int result;
int nr_iterations;
int i;
nr_threads_in_single = 0;
result = 0;
nr_iterations = 0;
#pragma omp parallel private(i)
{
for (i = 0; i < LOOPCOUNT; i++) {
#pragma omp single
{
#pragma omp flush
nr_threads_in_single++;
#pragma omp flush
nr_iterations++;
nr_threads_in_single--;
result = result + nr_threads_in_single;
}
}
}
return ((result == 0) && (nr_iterations == LOOPCOUNT));
} /* end of check_single*/
int main()
{
int i;
int num_failed=0;
for(i = 0; i < REPETITIONS; i++) {
if(!test_omp_single()) {
num_failed++;
}
}
return num_failed;
}