| 1 | /* |
|---|
| 2 | * task-taskwait-nested.c -- Archer testcase |
|---|
| 3 | */ |
|---|
| 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-exception |
|---|
| 11 | // |
|---|
| 12 | //===----------------------------------------------------------------------===// |
|---|
| 13 | |
|---|
| 14 | |
|---|
| 15 | // RUN: %libarcher-compile-and-run | FileCheck %s |
|---|
| 16 | // REQUIRES: tsan |
|---|
| 17 | #include <omp.h> |
|---|
| 18 | #include <stdio.h> |
|---|
| 19 | #include <unistd.h> |
|---|
| 20 | #include "ompt/ompt-signal.h" |
|---|
| 21 | |
|---|
| 22 | int 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 master |
|---|
| 27 | { |
|---|
| 28 | #pragma omp task |
|---|
| 29 | { |
|---|
| 30 | #pragma omp task shared(var, a) |
|---|
| 31 | { |
|---|
| 32 | OMPT_SIGNAL(a); |
|---|
| 33 | delay(100); |
|---|
| 34 | var++; |
|---|
| 35 | } |
|---|
| 36 | #pragma omp taskwait |
|---|
| 37 | } |
|---|
| 38 | |
|---|
| 39 | // Give other thread time to steal the task and execute its child. |
|---|
| 40 | OMPT_WAIT(a, 1); |
|---|
| 41 | |
|---|
| 42 | #pragma omp taskwait |
|---|
| 43 | var++; |
|---|
| 44 | } |
|---|
| 45 | |
|---|
| 46 | fprintf(stderr, format: "DONE\n" ); |
|---|
| 47 | int error = (var != 2); |
|---|
| 48 | return error; |
|---|
| 49 | } |
|---|
| 50 | |
|---|
| 51 | // CHECK-NOT: ThreadSanitizer: data race |
|---|
| 52 | // CHECK-NOT: ThreadSanitizer: reported |
|---|
| 53 | // CHECK: DONE |
|---|
| 54 | |
|---|
