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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 } |
57cb79ef CF |
5 | // { dg-require-gthreads "" } |
6 | ||
8d9254fc | 7 | // Copyright (C) 2008-2020 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 | ||
9b2b801a JW |
29 | typedef std::unique_lock<std::mutex> lock_type; |
30 | ||
57cb79ef CF |
31 | void test01() |
32 | { | |
57cb79ef CF |
33 | try |
34 | { | |
35 | std::mutex m1, m2, m3; | |
9b2b801a | 36 | lock_type l1(m1); |
57cb79ef CF |
37 | int result = std::try_lock(m1, m2, m3); |
38 | VERIFY( result == 0 ); | |
9b2b801a JW |
39 | VERIFY( l1.owns_lock() ); |
40 | lock_type l2(m2); | |
41 | lock_type l3(m3); | |
57cb79ef CF |
42 | } |
43 | catch (const std::system_error& e) | |
44 | { | |
45 | VERIFY( false ); | |
46 | } | |
47 | catch (...) | |
48 | { | |
49 | VERIFY( false ); | |
50 | } | |
51 | } | |
52 | ||
53 | void test02() | |
54 | { | |
57cb79ef CF |
55 | try |
56 | { | |
57 | std::mutex m1, m2, m3; | |
9b2b801a | 58 | lock_type l2(m2); |
57cb79ef CF |
59 | int result = std::try_lock(m1, m2, m3); |
60 | VERIFY( result == 1 ); | |
9b2b801a JW |
61 | VERIFY( l2.owns_lock() ); |
62 | lock_type l1(m1); | |
63 | lock_type l3(m3); | |
57cb79ef CF |
64 | } |
65 | catch (const std::system_error& e) | |
66 | { | |
67 | VERIFY( false ); | |
68 | } | |
69 | catch (...) | |
70 | { | |
71 | VERIFY( false ); | |
72 | } | |
73 | } | |
74 | ||
75 | void test03() | |
76 | { | |
57cb79ef CF |
77 | try |
78 | { | |
79 | std::mutex m1, m2, m3; | |
9b2b801a | 80 | lock_type l3(m3); |
57cb79ef CF |
81 | int result = std::try_lock(m1, m2, m3); |
82 | VERIFY( result == 2 ); | |
9b2b801a JW |
83 | VERIFY( l3.owns_lock() ); |
84 | lock_type l1(m1); | |
85 | lock_type l2(m2); | |
57cb79ef CF |
86 | } |
87 | catch (const std::system_error& e) | |
88 | { | |
89 | VERIFY( false ); | |
90 | } | |
91 | catch (...) | |
92 | { | |
93 | VERIFY( false ); | |
94 | } | |
95 | } | |
96 | ||
97 | int main() | |
98 | { | |
99 | test01(); | |
100 | test02(); | |
101 | test03(); | |
102 | return 0; | |
103 | } |