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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 } |
57cb79ef CF |
4 | // { dg-require-gthreads "" } |
5 | ||
a945c346 | 6 | // Copyright (C) 2008-2024 Free Software Foundation, Inc. |
57cb79ef CF |
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 | |
748086b7 | 11 | // Free Software Foundation; either version 3, or (at your option) |
57cb79ef CF |
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 | |
748086b7 JJ |
20 | // with this library; see the file COPYING3. If not see |
21 | // <http://www.gnu.org/licenses/>. | |
57cb79ef | 22 | |
57cb79ef CF |
23 | |
24 | #include <mutex> | |
25 | #include <system_error> | |
26 | #include <testsuite_hooks.h> | |
27 | ||
9b2b801a JW |
28 | typedef std::unique_lock<std::mutex> lock_type; |
29 | ||
57cb79ef CF |
30 | void test01() |
31 | { | |
57cb79ef CF |
32 | try |
33 | { | |
34 | std::mutex m1, m2, m3; | |
9b2b801a | 35 | lock_type l1(m1); |
57cb79ef CF |
36 | int result = std::try_lock(m1, m2, m3); |
37 | VERIFY( result == 0 ); | |
9b2b801a JW |
38 | VERIFY( l1.owns_lock() ); |
39 | lock_type l2(m2); | |
40 | lock_type l3(m3); | |
57cb79ef CF |
41 | } |
42 | catch (const std::system_error& e) | |
43 | { | |
44 | VERIFY( false ); | |
45 | } | |
46 | catch (...) | |
47 | { | |
48 | VERIFY( false ); | |
49 | } | |
50 | } | |
51 | ||
52 | void test02() | |
53 | { | |
57cb79ef CF |
54 | try |
55 | { | |
56 | std::mutex m1, m2, m3; | |
9b2b801a | 57 | lock_type l2(m2); |
57cb79ef CF |
58 | int result = std::try_lock(m1, m2, m3); |
59 | VERIFY( result == 1 ); | |
9b2b801a JW |
60 | VERIFY( l2.owns_lock() ); |
61 | lock_type l1(m1); | |
62 | lock_type l3(m3); | |
57cb79ef CF |
63 | } |
64 | catch (const std::system_error& e) | |
65 | { | |
66 | VERIFY( false ); | |
67 | } | |
68 | catch (...) | |
69 | { | |
70 | VERIFY( false ); | |
71 | } | |
72 | } | |
73 | ||
74 | void test03() | |
75 | { | |
57cb79ef CF |
76 | try |
77 | { | |
78 | std::mutex m1, m2, m3; | |
9b2b801a | 79 | lock_type l3(m3); |
57cb79ef CF |
80 | int result = std::try_lock(m1, m2, m3); |
81 | VERIFY( result == 2 ); | |
9b2b801a JW |
82 | VERIFY( l3.owns_lock() ); |
83 | lock_type l1(m1); | |
84 | lock_type l2(m2); | |
57cb79ef CF |
85 | } |
86 | catch (const std::system_error& e) | |
87 | { | |
88 | VERIFY( false ); | |
89 | } | |
90 | catch (...) | |
91 | { | |
92 | VERIFY( false ); | |
93 | } | |
94 | } | |
95 | ||
96 | int main() | |
97 | { | |
98 | test01(); | |
99 | test02(); | |
100 | test03(); | |
101 | return 0; | |
102 | } |