29 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8//9// UNSUPPORTED: no-threads10// UNSUPPORTED: c++03, c++11, c++14, c++1711 12// <latch>13 14#include <latch>15#include <cassert>16 17#include "test_macros.h"18 19int main(int, char**)20{21 std::latch l(1);22 23 l.count_down();24 bool const b = l.try_wait();25 assert(b);26 27 return 0;28}29