set_value_at_thread_exit_void.pass.cpp revision b64f8b07c104c6cc986570ac8ee0ed16a9f23976 
1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <future>
11
12// class promise<R>
13
14// void promise<void>::set_value_at_thread_exit();
15
16#include <future>
17#include <memory>
18#include <cassert>
19
20int i = 0;
21
22void func(std::promise<void>& p)
23{
24    p.set_value_at_thread_exit();
25    i = 1;
26}
27
28int main()
29{
30    {
31        std::promise<void> p;
32        std::future<void> f = p.get_future();
33        std::thread(func, std::move(p)).detach();
34        f.get();
35        assert(i == 1);
36    }
37}
38