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75a8a745 | 1 | // { dg-do run { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-darwin* powerpc-ibm-aix* } } |
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2 | // { dg-options " -std=gnu++11 -pthread" { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* powerpc-ibm-aix* } } |
3 | // { dg-options " -std=gnu++11 -pthreads" { target *-*-solaris* } } | |
4 | // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-darwin* } } | |
57cb79ef CF |
5 | // { dg-require-cstdint "" } |
6 | // { dg-require-gthreads "" } | |
7 | ||
5624e564 | 8 | // Copyright (C) 2008-2015 Free Software Foundation, Inc. |
57cb79ef CF |
9 | // |
10 | // This file is part of the GNU ISO C++ Library. This library is free | |
11 | // software; you can redistribute it and/or modify it under the | |
12 | // terms of the GNU General Public License as published by the | |
748086b7 | 13 | // Free Software Foundation; either version 3, or (at your option) |
57cb79ef CF |
14 | // any later version. |
15 | ||
16 | // This library is distributed in the hope that it will be useful, | |
17 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | // GNU General Public License for more details. | |
20 | ||
21 | // You should have received a copy of the GNU General Public License along | |
748086b7 JJ |
22 | // with this library; see the file COPYING3. If not see |
23 | // <http://www.gnu.org/licenses/>. | |
57cb79ef | 24 | |
57cb79ef CF |
25 | |
26 | #include <mutex> | |
27 | #include <system_error> | |
28 | #include <testsuite_hooks.h> | |
29 | ||
9b2b801a JW |
30 | typedef std::unique_lock<std::mutex> lock_type; |
31 | ||
57cb79ef CF |
32 | void test01() |
33 | { | |
34 | bool test __attribute__((unused)) = true; | |
35 | ||
36 | try | |
37 | { | |
38 | std::mutex m1, m2, m3; | |
9b2b801a | 39 | lock_type l1(m1); |
57cb79ef CF |
40 | int result = std::try_lock(m1, m2, m3); |
41 | VERIFY( result == 0 ); | |
9b2b801a JW |
42 | VERIFY( l1.owns_lock() ); |
43 | lock_type l2(m2); | |
44 | lock_type l3(m3); | |
57cb79ef CF |
45 | } |
46 | catch (const std::system_error& e) | |
47 | { | |
48 | VERIFY( false ); | |
49 | } | |
50 | catch (...) | |
51 | { | |
52 | VERIFY( false ); | |
53 | } | |
54 | } | |
55 | ||
56 | void test02() | |
57 | { | |
58 | bool test __attribute__((unused)) = true; | |
59 | ||
60 | try | |
61 | { | |
62 | std::mutex m1, m2, m3; | |
9b2b801a | 63 | lock_type l2(m2); |
57cb79ef CF |
64 | int result = std::try_lock(m1, m2, m3); |
65 | VERIFY( result == 1 ); | |
9b2b801a JW |
66 | VERIFY( l2.owns_lock() ); |
67 | lock_type l1(m1); | |
68 | lock_type l3(m3); | |
57cb79ef CF |
69 | } |
70 | catch (const std::system_error& e) | |
71 | { | |
72 | VERIFY( false ); | |
73 | } | |
74 | catch (...) | |
75 | { | |
76 | VERIFY( false ); | |
77 | } | |
78 | } | |
79 | ||
80 | void test03() | |
81 | { | |
82 | bool test __attribute__((unused)) = true; | |
83 | ||
84 | try | |
85 | { | |
86 | std::mutex m1, m2, m3; | |
9b2b801a | 87 | lock_type l3(m3); |
57cb79ef CF |
88 | int result = std::try_lock(m1, m2, m3); |
89 | VERIFY( result == 2 ); | |
9b2b801a JW |
90 | VERIFY( l3.owns_lock() ); |
91 | lock_type l1(m1); | |
92 | lock_type l2(m2); | |
57cb79ef CF |
93 | } |
94 | catch (const std::system_error& e) | |
95 | { | |
96 | VERIFY( false ); | |
97 | } | |
98 | catch (...) | |
99 | { | |
100 | VERIFY( false ); | |
101 | } | |
102 | } | |
103 | ||
104 | int main() | |
105 | { | |
106 | test01(); | |
107 | test02(); | |
108 | test03(); | |
109 | return 0; | |
110 | } |