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d1236680 RO |
1 | // { dg-do run } |
2 | // { dg-options "-pthread" } | |
71c54f8e | 3 | // { dg-require-effective-target c++11 } |
d1236680 | 4 | // { dg-require-effective-target pthread } |
376d7c51 JW |
5 | // { dg-require-cstdint "" } |
6 | // { dg-require-gthreads "" } | |
376d7c51 | 7 | |
85ec4feb | 8 | // Copyright (C) 2011-2018 Free Software Foundation, Inc. |
376d7c51 JW |
9 | // |
10 | // This file is part of the GNU ISO C++ Library. This library is free | |
11 | // software; you can redistribute it and/or modify it under the | |
12 | // terms of the GNU General Public License as published by the | |
13 | // Free Software Foundation; either version 3, or (at your option) | |
14 | // any later version. | |
15 | ||
16 | // This library is distributed in the hope that it will be useful, | |
17 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | // GNU General Public License for more details. | |
20 | ||
21 | // You should have received a copy of the GNU General Public License along | |
22 | // with this library; see the file COPYING3. If not see | |
23 | // <http://www.gnu.org/licenses/>. | |
24 | ||
25 | // LWG 2067. packaged_task should have deleted copy c'tor with const parameter | |
26 | ||
27 | #include <future> | |
28 | #include <thread> | |
29 | #include <testsuite_hooks.h> | |
30 | ||
31 | template<typename F> | |
32 | std::future<typename std::result_of<F()>::type> spawn_task(F f) | |
33 | { | |
34 | typedef typename std::result_of<F()>::type result_type; | |
35 | std::packaged_task<result_type()> task(std::move(f)); | |
36 | std::future<result_type> res(task.get_future()); | |
37 | std::thread(std::move(task)).detach(); | |
38 | return res; | |
39 | } | |
40 | ||
41 | int get_res() | |
42 | { | |
43 | return 42; | |
44 | } | |
45 | ||
46 | void test01() | |
47 | { | |
48 | auto f = spawn_task(get_res); | |
49 | VERIFY( f.get() == get_res() ); | |
50 | } | |
51 | ||
52 | int main() | |
53 | { | |
54 | test01(); | |
55 | } |