openmp/libompd/test/openmp_examples/nested.c

// RUN: %gdb-compile 2>&1 | tee %t.compile
// RUN: env OMP_SCHEDULE=guided,10 %gdb-run 2>&1 | tee %t.out | FileCheck %s

#include "../ompt_plugin.h"
#include <omp.h>
#include <stdio.h>
#include <unistd.h>

int main() {
  printf("Application: Process %d started.\n", getpid());

  int i;
  omp_set_num_threads(3);
  omp_set_max_active_levels(10);

#pragma omp parallel // parallel region begins
  {
    printf("outer parallel region Thread ID == %d\n", omp_get_thread_num());
    /* Code for work to be done by outer parallel region threads over here. */

    if (omp_get_thread_num() == 2)
      sleep(1);

#pragma omp parallel num_threads(2) // nested parallel region
    {
      /* Code for work to be done by inner parallel region threads over here. */
      printf("inner parallel region thread id %d\n", omp_get_thread_num());

      // if (omp_get_thread_num() == 1) sleep(1000);

#pragma omp parallel num_threads(2) //
      {

#pragma omp for
        for (i = 0; i < 20; i++) {
          // Some independent iterative computation to be done.
          printf("");
          ompd_tool_test(0);
        }
      }
    }
  }

  // sleep(1000);

  return 0;
}

// CHECK-NOT: OMPT-OMPD mismatch
// CHECK-NOT: Python Exception
// CHECK-NOT: The program is not being run.