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b7c3f201 TR |
1 | // { dg-options "-std=gnu++2a" } |
2 | // { dg-do run { target c++2a } } | |
3 | // { dg-require-gthreads "" } | |
4 | // { dg-additional-options "-pthread" { target pthread } } | |
71dc5ae5 | 5 | // { dg-add-options libatomic } |
b7c3f201 | 6 | |
83ffe9cd | 7 | // Copyright (C) 2020-2023 Free Software Foundation, Inc. |
b7c3f201 TR |
8 | // |
9 | // This file is part of the GNU ISO C++ Library. This library is free | |
10 | // software; you can redistribute it and/or modify it under the | |
11 | // terms of the GNU General Public License as published by the | |
12 | // Free Software Foundation; either version 3, or (at your option) | |
13 | // any later version. | |
14 | ||
15 | // This library is distributed in the hope that it will be useful, | |
16 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | // GNU General Public License for more details. | |
19 | ||
20 | // You should have received a copy of the GNU General Public License along | |
21 | // with this library; see the file COPYING3. If not see | |
22 | // <http://www.gnu.org/licenses/>. | |
23 | ||
24 | // This test is based on libcxx/test/std/thread/thread.barrier/arrive.pass.cpp | |
25 | //===----------------------------------------------------------------------===// | |
26 | // | |
27 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | |
28 | // See https://llvm.org/LICENSE.txt for license information. | |
29 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | |
30 | // | |
31 | //===----------------------------------------------------------------------===// | |
32 | ||
33 | #include <barrier> | |
34 | #include <thread> | |
35 | ||
36 | int main(int, char**) | |
37 | { | |
38 | std::barrier<> b(2); | |
39 | ||
40 | auto tok = b.arrive(); | |
41 | std::thread t([&](){ | |
42 | (void)b.arrive(); | |
43 | }); | |
44 | b.wait(std::move(tok)); | |
45 | t.join(); | |
46 | ||
47 | auto tok2 = b.arrive(2); | |
48 | b.wait(std::move(tok2)); | |
49 | } |