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view libstdc++-v3/testsuite/30_threads/shared_timed_mutex/try_lock_until/2.cc @ 152:2b5abeee2509
update gcc11
author | anatofuz |
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date | Mon, 25 May 2020 07:50:57 +0900 |
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// { dg-do run } // { dg-options "-pthread" } // { dg-require-effective-target c++14 } // { dg-require-effective-target pthread } // { dg-require-gthreads "" } // Copyright (C) 2019-2020 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 <shared_mutex> #include <system_error> #include <testsuite_hooks.h> #include <slow_clock.h> template <typename clock_type> void test() { typedef std::shared_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 unique lock with a timeout that is definitely in the past. VERIFY( m.try_lock_until( clock_type::now() - 1s ) ); m.unlock(); // Then attempt to test unique lock with a timeout that might exactly // match the current time. VERIFY( m.try_lock_until( clock_type::now() ) ); m.unlock(); // Now do the same but with the shared lock VERIFY( m.try_lock_shared_until( clock_type::now() - 1s ) ); m.unlock(); VERIFY( m.try_lock_shared_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>(); }