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d1236680 | 1 | // { dg-do run } |
1e42d2f4 | 2 | // { dg-additional-options "-pthread" { target pthread } } |
71c54f8e | 3 | // { dg-require-effective-target c++11 } |
9b2b801a JW |
4 | // { dg-require-gthreads "" } |
5 | ||
99dee823 | 6 | // Copyright (C) 2010-2021 Free Software Foundation, Inc. |
9b2b801a 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 <mutex> | |
25 | #include <system_error> | |
26 | #include <testsuite_hooks.h> | |
27 | ||
28 | struct user_lock | |
29 | { | |
30 | user_lock() : is_locked(false) { } | |
31 | ~user_lock() = default; | |
32 | user_lock(const user_lock&) = default; | |
33 | ||
34 | void lock() | |
35 | { | |
9b2b801a JW |
36 | VERIFY( !is_locked ); |
37 | is_locked = true; | |
38 | } | |
39 | ||
c5565961 | 40 | bool try_lock() |
9b2b801a JW |
41 | { return is_locked ? false : (is_locked = true); } |
42 | ||
43 | void unlock() | |
44 | { | |
9b2b801a JW |
45 | VERIFY( is_locked ); |
46 | is_locked = false; | |
47 | } | |
48 | ||
49 | private: | |
50 | bool is_locked; | |
51 | }; | |
52 | ||
53 | int main() | |
54 | { | |
9b2b801a JW |
55 | try |
56 | { | |
57 | std::mutex m1; | |
58 | std::recursive_mutex m2; | |
59 | user_lock m3; | |
60 | ||
61 | try | |
62 | { | |
63 | //heterogeneous types | |
64 | std::lock(m1, m2, m3); | |
c5565961 JW |
65 | VERIFY( !m1.try_lock() ); |
66 | VERIFY( !m3.try_lock() ); | |
9b2b801a JW |
67 | m1.unlock(); |
68 | m2.unlock(); | |
69 | m3.unlock(); | |
70 | } | |
71 | catch (const std::system_error& e) | |
72 | { | |
73 | VERIFY( false ); | |
74 | } | |
75 | } | |
76 | catch (const std::system_error& e) | |
77 | { | |
78 | VERIFY( false ); | |
79 | } | |
80 | catch (...) | |
81 | { | |
82 | VERIFY( false ); | |
83 | } | |
84 | ||
85 | return 0; | |
86 | } |