51 lines · c
1/*2 * task-taskwait.c -- Archer testcase3 */4 5//===----------------------------------------------------------------------===//6//7// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.8//9// See tools/archer/LICENSE.txt for details.10// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception11//12//===----------------------------------------------------------------------===//13 14 15// RUN: %libarcher-compile-and-run | FileCheck %s16// REQUIRES: tsan17#include <omp.h>18#include <stdio.h>19#include <unistd.h>20#include "ompt/ompt-signal.h"21 22int main(int argc, char *argv[]) {23 int var = 0, a = 0;24 25#pragma omp parallel num_threads(2) shared(var, a)26#pragma omp master27 {28#pragma omp task shared(var, a)29 {30 OMPT_SIGNAL(a);31 OMPT_WAIT(a, 2);32 delay(100);33 var++;34 }35 36 // Give other thread time to steal the task.37 OMPT_WAIT(a, 1);38 OMPT_SIGNAL(a);39#pragma omp taskwait40 var++;41 }42 43 fprintf(stderr, "DONE\n");44 int error = (var != 2);45 return error;46}47 48// CHECK-NOT: ThreadSanitizer: data race49// CHECK-NOT: ThreadSanitizer: reported50// CHECK: DONE51