1 //===----------------------------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Copyright (C) 2011 Vicente J. Botet Escriba
12 // Distributed under the Boost Software License, Version 1.0. (See accompanying
13 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
15 // <boost/thread/locks.hpp>
17 // template <class Mutex> class shared_lock;
19 // template <class Clock, class Duration>
20 // bool try_lock_until(const chrono::time_point<Clock, Duration>& abs_time);
22 #include <boost/thread/lock_types.hpp>
23 #include <boost/thread/shared_mutex.hpp>
24 #include <boost/detail/lightweight_test.hpp>
26 bool try_lock_until_called = false;
30 template <class Clock, class Duration>
31 bool try_lock_shared_until(const boost::chrono::time_point<Clock, Duration>& abs_time)
33 typedef boost::chrono::milliseconds ms;
34 BOOST_TEST(Clock::now() - abs_time < ms(5));
35 try_lock_until_called = !try_lock_until_called;
36 return try_lock_until_called;
47 typedef boost::chrono::steady_clock Clock;
48 boost::shared_lock<shared_mutex> lk(m, boost::defer_lock);
49 BOOST_TEST(lk.try_lock_until(Clock::now()) == true);
50 BOOST_TEST(try_lock_until_called == true);
51 BOOST_TEST(lk.owns_lock() == true);
54 lk.try_lock_until(Clock::now());
57 catch (boost::system::system_error& e)
59 BOOST_TEST(e.code().value() == boost::system::errc::resource_deadlock_would_occur);
62 BOOST_TEST(lk.try_lock_until(Clock::now()) == false);
63 BOOST_TEST(try_lock_until_called == false);
64 BOOST_TEST(lk.owns_lock() == false);
68 lk.try_lock_until(Clock::now());
71 catch (boost::system::system_error& e)
73 BOOST_TEST(e.code().value() == boost::system::errc::operation_not_permitted);
75 return boost::report_errors();