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1 | // { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* mips-sgi-irix6* powerpc-ibm-aix* } } |
2 | // { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* mips-sgi-irix6* powerpc-ibm-aix* } } | |
376d7c51 JW |
3 | // { dg-options " -std=gnu++0x -pthreads" { target *-*-solaris* } } |
4 | // { dg-options " -std=gnu++0x " { target *-*-cygwin *-*-darwin* } } | |
5 | // { dg-require-cstdint "" } | |
6 | // { dg-require-gthreads "" } | |
7 | // { dg-require-atomic-builtins "" } | |
8 | ||
f6392e8f | 9 | // Copyright (C) 2011, 2012 Free Software Foundation, Inc. |
376d7c51 JW |
10 | // |
11 | // This file is part of the GNU ISO C++ Library. This library is free | |
12 | // software; you can redistribute it and/or modify it under the | |
13 | // terms of the GNU General Public License as published by the | |
14 | // Free Software Foundation; either version 3, or (at your option) | |
15 | // any later version. | |
16 | ||
17 | // This library is distributed in the hope that it will be useful, | |
18 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | // GNU General Public License for more details. | |
21 | ||
22 | // You should have received a copy of the GNU General Public License along | |
23 | // with this library; see the file COPYING3. If not see | |
24 | // <http://www.gnu.org/licenses/>. | |
25 | ||
26 | // LWG 2067. packaged_task should have deleted copy c'tor with const parameter | |
27 | ||
28 | #include <future> | |
29 | #include <thread> | |
30 | #include <testsuite_hooks.h> | |
31 | ||
32 | template<typename F> | |
33 | std::future<typename std::result_of<F()>::type> spawn_task(F f) | |
34 | { | |
35 | typedef typename std::result_of<F()>::type result_type; | |
36 | std::packaged_task<result_type()> task(std::move(f)); | |
37 | std::future<result_type> res(task.get_future()); | |
38 | std::thread(std::move(task)).detach(); | |
39 | return res; | |
40 | } | |
41 | ||
42 | int get_res() | |
43 | { | |
44 | return 42; | |
45 | } | |
46 | ||
47 | void test01() | |
48 | { | |
49 | auto f = spawn_task(get_res); | |
50 | VERIFY( f.get() == get_res() ); | |
51 | } | |
52 | ||
53 | int main() | |
54 | { | |
55 | test01(); | |
56 | } |