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37d13ae6 | 1 | // { dg-do run { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-rtems* *-*-darwin* powerpc-ibm-aix* } } |
71c54f8e JW |
2 | // { dg-options "-pthread" { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* powerpc-ibm-aix* } } |
3 | // { dg-require-effective-target c++11 } | |
57cb79ef CF |
4 | // { dg-require-cstdint "" } |
5 | // { dg-require-gthreads "" } | |
6 | ||
cbe34bb5 | 7 | // Copyright (C) 2008-2017 Free Software Foundation, Inc. |
57cb79ef CF |
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 | |
748086b7 | 12 | // Free Software Foundation; either version 3, or (at your option) |
57cb79ef CF |
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 | |
748086b7 JJ |
21 | // with this library; see the file COPYING3. If not see |
22 | // <http://www.gnu.org/licenses/>. | |
57cb79ef | 23 | |
57cb79ef CF |
24 | |
25 | #include <mutex> | |
26 | #include <system_error> | |
27 | #include <testsuite_hooks.h> | |
28 | ||
29 | struct user_lock | |
30 | { | |
31 | user_lock() : is_locked(false) { } | |
32 | ~user_lock() = default; | |
33 | user_lock(const user_lock&) = default; | |
34 | ||
35 | void lock() | |
36 | { | |
57cb79ef CF |
37 | VERIFY( !is_locked ); |
38 | is_locked = true; | |
39 | } | |
40 | ||
41 | bool try_lock() | |
42 | { return is_locked ? false : (is_locked = true); } | |
43 | ||
44 | void unlock() | |
45 | { | |
57cb79ef CF |
46 | VERIFY( is_locked ); |
47 | is_locked = false; | |
48 | } | |
49 | ||
50 | private: | |
51 | bool is_locked; | |
52 | }; | |
53 | ||
54 | int main() | |
55 | { | |
57cb79ef CF |
56 | try |
57 | { | |
58 | std::mutex m1; | |
59 | std::recursive_mutex m2; | |
60 | user_lock m3; | |
61 | ||
62 | try | |
63 | { | |
64 | //heterogeneous types | |
65 | int result = std::try_lock(m1, m2, m3); | |
66 | VERIFY( result == -1 ); | |
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 | } |