154fa9ecdSOlivier Giroux //===----------------------------------------------------------------------===// 254fa9ecdSOlivier Giroux // 354fa9ecdSOlivier Giroux // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 454fa9ecdSOlivier Giroux // See https://llvm.org/LICENSE.txt for license information. 554fa9ecdSOlivier Giroux // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 654fa9ecdSOlivier Giroux // 754fa9ecdSOlivier Giroux //===----------------------------------------------------------------------===// 854fa9ecdSOlivier Giroux // 9a7f9895cSLouis Dionne // UNSUPPORTED: no-threads 10*bf1666fbSLouis Dionne // UNSUPPORTED: c++03, c++11, c++14, c++17 119ddedf07SLouis Dionne 12f0fc8c48SLouis Dionne // XFAIL: availability-synchronization_library-missing 1380e73f22SLouis Dionne 1454fa9ecdSOlivier Giroux // <latch> 1554fa9ecdSOlivier Giroux 1654fa9ecdSOlivier Giroux #include <latch> 1754fa9ecdSOlivier Giroux #include <cassert> 1854fa9ecdSOlivier Giroux 1954fa9ecdSOlivier Giroux #include "test_macros.h" 2054fa9ecdSOlivier Giroux 2154fa9ecdSOlivier Giroux int main(int, char**) 2254fa9ecdSOlivier Giroux { 2354fa9ecdSOlivier Giroux std::latch l(1); 2454fa9ecdSOlivier Giroux 2554fa9ecdSOlivier Giroux l.count_down(); 2654fa9ecdSOlivier Giroux bool const b = l.try_wait(); 2754fa9ecdSOlivier Giroux assert(b); 2854fa9ecdSOlivier Giroux 2954fa9ecdSOlivier Giroux return 0; 3054fa9ecdSOlivier Giroux } 31