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-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// UNSUPPORTED: no-threads
10// UNSUPPORTED: c++03, c++11, c++14, c++17
11
12// XFAIL: availability-synchronization_library-missing
13
14// <latch>
15
16#include <latch>
17#include <cassert>
18
19#include "test_macros.h"
20
21int main(int, char**)
22{
23 std::latch l(1);
24
25 l.count_down();
26 bool const b = l.try_wait();
27 assert(b);
28
29 return 0;
30}
31

source code of libcxx/test/std/thread/thread.latch/try_wait.pass.cpp