openmp/testsuite/c/omp_lock.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>