reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced

    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47

// RUN: %libomp-compile-and-run
// RUN: env KMP_LOCK_KIND=tas KMP_SPIN_BACKOFF_PARAMS=2048,200 %libomp-run
// RUN: env KMP_LOCK_KIND=futex %libomp-run
#include <stdio.h>
#include "omp_testsuite.h"

omp_lock_t lck;

int test_omp_lock()
{
  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));
}

int main()
{
  int i;
  int num_failed=0;

  for(i = 0; i < REPETITIONS; i++) {
    if(!test_omp_lock()) {
      num_failed++;
    }
  }
  return num_failed;
}