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e3ef3719 JW |
1 | // { dg-do run } |
2 | // { dg-options "-pthread" } | |
3 | // { dg-require-effective-target c++14 } | |
4 | // { dg-require-effective-target pthread } | |
5 | // { dg-require-gthreads "" } | |
6 | ||
a945c346 | 7 | // Copyright (C) 2019-2024 Free Software Foundation, Inc. |
e3ef3719 JW |
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 | |
12 | // Free Software Foundation; either version 3, or (at your option) | |
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 | |
21 | // with this library; see the file COPYING3. If not see | |
22 | // <http://www.gnu.org/licenses/>. | |
23 | ||
24 | ||
25 | #include <shared_mutex> | |
26 | #include <system_error> | |
27 | #include <testsuite_hooks.h> | |
28 | #include <slow_clock.h> | |
29 | ||
30 | template <typename clock_type> | |
31 | void test() | |
32 | { | |
33 | typedef std::shared_timed_mutex mutex_type; | |
34 | ||
35 | try | |
36 | { | |
37 | using namespace std::chrono; | |
38 | mutex_type m; | |
39 | ||
40 | // Confirm that try_lock_until acts like try_lock if the timeout has | |
41 | // already passed. | |
42 | ||
43 | // First test unique lock with a timeout that is definitely in the past. | |
44 | VERIFY( m.try_lock_until( clock_type::now() - 1s ) ); | |
45 | m.unlock(); | |
46 | ||
47 | // Then attempt to test unique lock with a timeout that might exactly | |
48 | // match the current time. | |
49 | VERIFY( m.try_lock_until( clock_type::now() ) ); | |
50 | m.unlock(); | |
51 | ||
52 | // Now do the same but with the shared lock | |
53 | VERIFY( m.try_lock_shared_until( clock_type::now() - 1s ) ); | |
54 | m.unlock(); | |
55 | ||
56 | VERIFY( m.try_lock_shared_until( clock_type::now() ) ); | |
57 | m.unlock(); | |
58 | } | |
59 | catch (const std::system_error& e) | |
60 | { | |
61 | VERIFY( false ); | |
62 | } | |
63 | catch (...) | |
64 | { | |
65 | VERIFY( false ); | |
66 | } | |
67 | } | |
68 | ||
69 | int main() | |
70 | { | |
71 | test<std::chrono::system_clock>(); | |
72 | test<std::chrono::steady_clock>(); | |
73 | test<__gnu_test::slow_clock>(); | |
74 | } |