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1/*2 * task-taskwait-nested.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 task29 {30#pragma omp task shared(var, a)31 {32 OMPT_SIGNAL(a);33 delay(100);34 var++;35 }36#pragma omp taskwait37 }38 39 // Give other thread time to steal the task and execute its child.40 OMPT_WAIT(a, 1);41 42#pragma omp taskwait43 var++;44 }45 46 fprintf(stderr, "DONE\n");47 int error = (var != 2);48 return error;49}50 51// CHECK-NOT: ThreadSanitizer: data race52// CHECK-NOT: ThreadSanitizer: reported53// CHECK: DONE54