| // { dg-options "-std=gnu++2a" } |
| // { dg-do run { target c++2a } } |
| // { dg-require-gthreads "" } |
| // { dg-additional-options "-pthread" { target pthread } } |
| // { dg-add-options libatomic } |
| |
| // Copyright (C) 2020-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // This test is based on libcxx/test/std/thread/thread.barrier/arrive.pass.cpp |
| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include <barrier> |
| #include <thread> |
| |
| int main(int, char**) |
| { |
| std::barrier<> b(2); |
| |
| auto tok = b.arrive(); |
| std::thread t([&](){ |
| (void)b.arrive(); |
| }); |
| b.wait(std::move(tok)); |
| t.join(); |
| |
| auto tok2 = b.arrive(2); |
| b.wait(std::move(tok2)); |
| } |
