]>
Commit | Line | Data |
---|---|---|
d1236680 | 1 | // { dg-do run } |
1e42d2f4 | 2 | // { dg-additional-options "-pthread" { target pthread } } |
71c54f8e | 3 | // { dg-require-effective-target c++11 } |
9db7c931 | 4 | // { dg-require-gthreads "" } |
9db7c931 | 5 | |
a945c346 | 6 | // Copyright (C) 2014-2024 Free Software Foundation, Inc. |
9db7c931 JW |
7 | // |
8 | // This file is part of the GNU ISO C++ Library. This library is free | |
9 | // software; you can redistribute it and/or modify it under the | |
10 | // terms of the GNU General Public License as published by the | |
11 | // Free Software Foundation; either version 3, or (at your option) | |
12 | // any later version. | |
13 | ||
14 | // This library is distributed in the hope that it will be useful, | |
15 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | // GNU General Public License for more details. | |
18 | ||
19 | // You should have received a copy of the GNU General Public License along | |
20 | // with this library; see the file COPYING3. If not see | |
21 | // <http://www.gnu.org/licenses/>. | |
22 | ||
23 | ||
24 | #include <future> | |
25 | #include <testsuite_hooks.h> | |
26 | ||
27 | int copies; | |
28 | int copies_cmp; | |
29 | ||
30 | struct Obj | |
31 | { | |
32 | Obj() = default; | |
33 | Obj(const Obj&) { ++copies; } | |
34 | }; | |
35 | ||
36 | std::future<Obj> f1; | |
37 | ||
38 | bool ready(std::future<Obj>& f) | |
39 | { | |
40 | return f.wait_for(std::chrono::milliseconds(1)) == std::future_status::ready; | |
41 | } | |
42 | ||
43 | void test01() | |
44 | { | |
9db7c931 JW |
45 | std::promise<Obj> p1; |
46 | f1 = p1.get_future(); | |
47 | ||
48 | p1.set_value_at_thread_exit( {} ); | |
49 | ||
50 | copies_cmp = copies; | |
51 | ||
52 | VERIFY( !ready(f1) ); | |
53 | } | |
54 | ||
55 | int main() | |
56 | { | |
57 | std::thread t{test01}; | |
58 | t.join(); | |
59 | VERIFY( ready(f1) ); | |
60 | VERIFY( copies == copies_cmp ); | |
61 | } |