| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // Copyright (C) 2011 Vicente J. Botet Escriba |
| // |
| // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| |
| // <boost/thread/locks.hpp> |
| |
| // template <class Mutex> class unique_lock; |
| |
| // template <class Clock, class Duration> |
| // bool try_lock_until(const chrono::time_point<Clock, Duration>& abs_time); |
| |
| #include <boost/thread/lock_types.hpp> |
| #include <boost/thread/mutex.hpp> |
| #include <boost/detail/lightweight_test.hpp> |
| |
| #if defined BOOST_THREAD_USES_CHRONO |
| |
| |
| bool try_lock_until_called = false; |
| |
| struct mutex |
| { |
| template <class Clock, class Duration> |
| bool try_lock_until(const boost::chrono::time_point<Clock, Duration>& abs_time) |
| { |
| typedef boost::chrono::milliseconds ms; |
| BOOST_TEST(Clock::now() - abs_time < ms(5)); |
| try_lock_until_called = !try_lock_until_called; |
| return try_lock_until_called; |
| } |
| void unlock() |
| { |
| } |
| }; |
| |
| mutex m; |
| |
| int main() |
| { |
| typedef boost::chrono::steady_clock Clock; |
| boost::unique_lock<mutex> lk(m, boost::defer_lock); |
| BOOST_TEST(lk.try_lock_until(Clock::now()) == true); |
| BOOST_TEST(try_lock_until_called == true); |
| BOOST_TEST(lk.owns_lock() == true); |
| try |
| { |
| lk.try_lock_until(Clock::now()); |
| BOOST_TEST(false); |
| } |
| catch (boost::system::system_error& e) |
| { |
| BOOST_TEST(e.code().value() == boost::system::errc::resource_deadlock_would_occur); |
| } |
| lk.unlock(); |
| BOOST_TEST(lk.try_lock_until(Clock::now()) == false); |
| BOOST_TEST(try_lock_until_called == false); |
| BOOST_TEST(lk.owns_lock() == false); |
| lk.release(); |
| try |
| { |
| lk.try_lock_until(Clock::now()); |
| BOOST_TEST(false); |
| } |
| catch (boost::system::system_error& e) |
| { |
| BOOST_TEST(e.code().value() == boost::system::errc::operation_not_permitted); |
| } |
| return boost::report_errors(); |
| } |
| |
| #else |
| #error "Test not applicable: BOOST_THREAD_USES_CHRONO not defined for this platform as not supported" |
| #endif |
| |