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
11
12// <future>
13
14// class promise<R>
15
16// void promise<void>::set_value_at_thread_exit();
17
18#include <future>
19#include <memory>
20#include <cassert>
21
22#include "make_test_thread.h"
23#include "test_macros.h"
24
25int i = 0;
26
27void func(std::promise<void> p)
28{
29 p.set_value_at_thread_exit();
30 i = 1;
31}
32
33int main(int, char**)
34{
35 {
36 std::promise<void> p;
37 std::future<void> f = p.get_future();
38 support::make_test_thread(func, std::move(p)).detach();
39 f.get();
40 assert(i == 1);
41 }
42
43 return 0;
44}
45

source code of libcxx/test/std/thread/futures/futures.promise/set_value_at_thread_exit_void.pass.cpp