| //===----------------------------------------------------------------------===// | |
| // | |
| // 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 | |
| // | |
| //===----------------------------------------------------------------------===// | |
| // | |
| // UNSUPPORTED: libcpp-has-no-threads | |
| // UNSUPPORTED: c++98, c++03 | |
| // <barrier> | |
| 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)); | |
| return 0; | |
| } | |