1 | /* |
2 | * task-taskgroup-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 taskgroup |
29 | { |
30 | #pragma omp task |
31 | { |
32 | #pragma omp task shared(var, a) |
33 | { |
34 | var++; |
35 | OMPT_SIGNAL(a); |
36 | } |
37 | } |
38 | |
39 | // Give other thread time to steal the task and execute its child. |
40 | OMPT_WAIT(a, 1); |
41 | } |
42 | |
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 | |