llvm-project/openmp/runtime/test/api/omp_get_num_threads.c

40 lines
696 B
C

// RUN: %libomp-compile-and-run
#include <stdio.h>
#include "omp_testsuite.h"
int test_omp_get_num_threads()
{
/* checks that omp_get_num_threads is equal to the number of
threads */
int nthreads_lib;
int nthreads = 0;
nthreads_lib = -1;
#pragma omp parallel
{
#pragma omp critical
{
nthreads++;
} /* end of critical */
#pragma omp single
{
nthreads_lib = omp_get_num_threads ();
} /* end of single */
} /* end of parallel */
return (nthreads == nthreads_lib);
}
int main()
{
int i;
int num_failed=0;
for(i = 0; i < REPETITIONS; i++) {
if(!test_omp_get_num_threads()) {
num_failed++;
}
}
return num_failed;
}