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::set_value_at_thread_exit(const R& r); |
17 | |
18 | #include <future> |
19 | #include <cassert> |
20 | |
21 | #include "make_test_thread.h" |
22 | #include "test_macros.h" |
23 | |
24 | void func(std::promise<int> p) |
25 | { |
26 | const int i = 5; |
27 | p.set_value_at_thread_exit(i); |
28 | } |
29 | |
30 | int main(int, char**) |
31 | { |
32 | { |
33 | std::promise<int> p; |
34 | std::future<int> f = p.get_future(); |
35 | support::make_test_thread(func, std::move(p)).detach(); |
36 | assert(f.get() == 5); |
37 | } |
38 | |
39 | return 0; |
40 | } |
41 | |