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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 } |
4880236e JW |
5 | // { dg-require-gthreads "" } |
6 | ||
8d9254fc | 7 | // Copyright (C) 2011-2020 Free Software Foundation, Inc. |
4880236e JW |
8 | // |
9 | // This file is part of the GNU ISO C++ Library. This library is free | |
10 | // software; you can redistribute it and/or modify it under the | |
11 | // terms of the GNU General Public License as published by the | |
12 | // Free Software Foundation; either version 3, or (at your option) | |
13 | // any later version. | |
14 | ||
15 | // This library is distributed in the hope that it will be useful, | |
16 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | // GNU General Public License for more details. | |
19 | ||
20 | // You should have received a copy of the GNU General Public License along | |
21 | // with this library; see the file COPYING3. If not see | |
22 | // <http://www.gnu.org/licenses/>. | |
23 | ||
24 | #include <mutex> | |
25 | #include <functional> | |
26 | #include <testsuite_hooks.h> | |
27 | ||
28 | struct moveable | |
29 | { | |
30 | moveable() = default; | |
31 | moveable(moveable&&) = default; | |
32 | moveable(const moveable&) = delete; | |
33 | }; | |
34 | ||
35 | typedef decltype(std::placeholders::_1) placeholder_type; | |
36 | ||
37 | void f(moveable, placeholder_type, bool& b) { b = true; } | |
38 | ||
39 | void test01() | |
40 | { | |
41 | bool test = false; | |
42 | std::once_flag once; | |
43 | std::call_once(once, f, moveable(), std::placeholders::_1, std::ref(test)); | |
44 | VERIFY( test ); | |
45 | } | |
46 | ||
47 | int main() | |
48 | { | |
49 | test01(); | |
50 | } |