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b24513a1 RO |
1 | // { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* powerpc-ibm-aix* } } |
2 | // { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* powerpc-ibm-aix* } } | |
73c5c5bb 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 | ||
405feeb8 | 9 | // Copyright (C) 2010-2013 Free Software Foundation, Inc. |
73c5c5bb 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 | #include <future> | |
27 | #include <testsuite_hooks.h> | |
28 | ||
29 | int do_work1(int value) { return value; } | |
30 | int do_work2(int value) { return value * 2; } | |
31 | ||
32 | int work1(int value) | |
33 | { | |
34 | auto handle = std::async([=] { return do_work2(value); }); | |
35 | int tmp = do_work1(value); | |
36 | return tmp + handle.get(); | |
37 | } | |
38 | ||
39 | int work2(int value) | |
40 | { | |
41 | auto handle = std::async(do_work2, value); | |
42 | int tmp = do_work1(value); | |
43 | return tmp + handle.get(); | |
44 | } | |
45 | ||
46 | // libstdc++/42819 | |
47 | void test01() | |
48 | { | |
49 | bool test __attribute__((unused)) = true; | |
50 | ||
51 | VERIFY( work1(1) == 3 ); | |
52 | VERIFY( work2(2) == 6 ); | |
53 | } | |
54 | ||
55 | int main() | |
56 | { | |
57 | test01(); | |
58 | return 0; | |
59 | } |