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4be56e29 | 1 | // { dg-do run { target c++20 } } |
b7c3f201 TR |
2 | // { dg-require-gthreads "" } |
3 | // { dg-additional-options "-pthread" { target pthread } } | |
71dc5ae5 | 4 | // { dg-add-options libatomic } |
b7c3f201 | 5 | |
a945c346 | 6 | // Copyright (C) 2020-2024 Free Software Foundation, Inc. |
b7c3f201 TR |
7 | // |
8 | // This file is part of the GNU ISO C++ Library. This library is free | |
9 | // software; you can redistribute it and/or modify it under the | |
10 | // terms of the GNU General Public License as published by the | |
11 | // Free Software Foundation; either version 3, or (at your option) | |
12 | // any later version. | |
13 | ||
14 | // This library is distributed in the hope that it will be useful, | |
15 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | // GNU General Public License for more details. | |
18 | ||
19 | // You should have received a copy of the GNU General Public License along | |
20 | // with this library; see the file COPYING3. If not see | |
21 | // <http://www.gnu.org/licenses/>. | |
22 | ||
23 | // This test is based on libcxx/test/std/thread/thread.barrier/completion.pass.cpp | |
24 | //===----------------------------------------------------------------------===// | |
25 | // | |
26 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | |
27 | // See https://llvm.org/LICENSE.txt for license information. | |
28 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | |
29 | // | |
30 | //===----------------------------------------------------------------------===// | |
31 | ||
32 | #include <barrier> | |
33 | #include <thread> | |
34 | ||
35 | #include <testsuite_hooks.h> | |
36 | ||
37 | int main(int, char**) | |
38 | { | |
39 | int x = 0; | |
40 | auto comp = [&] { x += 1; }; | |
41 | std::barrier<decltype(comp)> b(2, comp); | |
42 | ||
43 | std::thread t([&](){ | |
44 | for(int i = 0; i < 10; ++i) | |
45 | b.arrive_and_wait(); | |
46 | }); | |
47 | ||
48 | for(int i = 0; i < 10; ++i) | |
49 | b.arrive_and_wait(); | |
50 | ||
51 | VERIFY( x == 10 ); | |
52 | t.join(); | |
53 | } |