final/runtime/test/ompt/misc/unset_callback.c

// RUN: %libomp-compile-and-run | FileCheck %s
// REQUIRES: ompt
#include "callback.h"
#include <omp.h>

int main()
{
  #pragma omp parallel num_threads(1)
  {

  }
  ompt_set_callback(ompt_callback_parallel_begin, NULL);
  #pragma omp parallel num_threads(1)
  {

  }

  // Check if libomp supports the callbacks for this test.
  // CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_idle'

  // CHECK: 0: NULL_POINTER=[[NULL:.*$]]

  // CHECK: {{^}}[[THREAD_ID:[0-9]+]]: ompt_event_parallel_begin:
  // CHECK: {{^}}[[THREAD_ID]]: ompt_event_parallel_end:
  // CHECK-NOT: {{^}}[[THREAD_ID]]: ompt_event_parallel_begin:
  // CHECK: {{^}}[[THREAD_ID]]: ompt_event_parallel_end:

  return 0;
}