| // { dg-do run } |
| // { dg-options "-pthread" } |
| // { dg-require-effective-target c++14 } |
| // { dg-require-effective-target pthread } |
| // { dg-require-gthreads "" } |
| |
| // Copyright (C) 2019-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| |
| #include <mutex> |
| #include <thread> |
| #include <system_error> |
| #include <testsuite_hooks.h> |
| #include <slow_clock.h> |
| |
| template <typename clock_type> |
| void test() |
| { |
| typedef std::timed_mutex mutex_type; |
| |
| try |
| { |
| using namespace std::chrono; |
| mutex_type m; |
| |
| // Confirm that try_lock_until acts like try_lock if the timeout has |
| // already passed. |
| |
| // First test with a timeout that is definitely in the past. |
| VERIFY( m.try_lock_until( clock_type::now() - 1s ) ); |
| m.unlock(); |
| |
| // Then attempt to test with a timeout that might exactly match the |
| // current time. |
| VERIFY( m.try_lock_until( clock_type::now() ) ); |
| m.unlock(); |
| } |
| catch (const std::system_error& e) |
| { |
| VERIFY( false ); |
| } |
| catch (...) |
| { |
| VERIFY( false ); |
| } |
| } |
| |
| int main() |
| { |
| test<std::chrono::system_clock>(); |
| test<std::chrono::steady_clock>(); |
| test<__gnu_test::slow_clock>(); |
| } |