Test which checks the omp single directive by controlling how often a directive is called in an omp single region.
2.0
omp single
omp parallel private,omp flush
#include
#include "omp_testsuite.h"
int omp_single(FILE * logFile)
{
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;
} /* end of single */
} /* end of for */
} /* end of parallel */
return ((result == 0) && (nr_iterations == LOOPCOUNT));
} /* end of check_single*/