Test which checks the omp_set_lock and the omp_unset_lock function by counting the threads entering and exiting a single region with locks.
2.0
omp_lock
omp flush
#include
#include "omp_testsuite.h"
omp_lock_t lck;
int omp_lock(FILE * logFile)
{
int nr_threads_in_single = 0;
int result = 0;
int nr_iterations = 0;
int i;
omp_init_lock (&lck);
#pragma omp parallel shared(lck)
{
#pragma omp for
for(i = 0; i < LOOPCOUNT; i++)
{
omp_set_lock (&lck);
#pragma omp flush
nr_threads_in_single++;
#pragma omp flush
nr_iterations++;
nr_threads_in_single--;
result = result + nr_threads_in_single;
omp_unset_lock(&lck);
}
}
omp_destroy_lock (&lck);
return ((result == 0) && (nr_iterations == LOOPCOUNT));
}