llvm-project/openmp/testsuite/c/omp_lock.c

46 lines
1.2 KiB
C

<ompts:test>
<ompts:testdescription>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.</ompts:testdescription>
<ompts:ompversion>2.0</ompts:ompversion>
<ompts:directive>omp_lock</ompts:directive>
<ompts:dependences>omp flush</ompts:dependences>
<ompts:testcode>
#include <stdio.h>
#include "omp_testsuite.h"
omp_lock_t lck;
int <ompts:testcode:functionname>omp_lock</ompts:testcode:functionname>(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++)
{
<ompts:orphan>
<ompts:check>omp_set_lock (&lck);</ompts:check>
</ompts:orphan>
#pragma omp flush
nr_threads_in_single++;
#pragma omp flush
nr_iterations++;
nr_threads_in_single--;
result = result + nr_threads_in_single;
<ompts:orphan>
<ompts:check>omp_unset_lock(&lck);</ompts:check>
</ompts:orphan>
}
}
omp_destroy_lock (&lck);
return ((result == 0) && (nr_iterations == LOOPCOUNT));
}
</ompts:testcode>
</ompts:test>