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//===----------------------------------------------------------------------===//
//
// 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/null_mutex>
// class null_mutex;
// template <class Clock, class Duration>
// bool try_lock_until(const chrono::time_point<Clock, Duration>& abs_time);
#include <boost/thread/null_mutex.hpp>
#include <boost/thread/thread.hpp>
#include <boost/detail/lightweight_test.hpp>
#include "../../../timming.hpp"
#if defined BOOST_THREAD_USES_CHRONO
boost::null_mutex m;
typedef boost::chrono::steady_clock Clock;
typedef Clock::time_point time_point;
typedef Clock::duration duration;
typedef boost::chrono::milliseconds ms;
typedef boost::chrono::nanoseconds ns;
const ms max_diff(BOOST_THREAD_TEST_TIME_MS);
void f1()
{
time_point t0 = Clock::now();
BOOST_TEST(m.try_lock_until(Clock::now() + ms(250)) == true);
time_point t1 = Clock::now();
m.unlock();
ns d = t1 - t0 ;
BOOST_THREAD_TEST_IT(d, ns(max_diff));
}
int main()
{
{
m.lock();
boost::thread t(f1);
m.unlock();
t.join();
}
return boost::report_errors();
}
#else
#error "Test not applicable: BOOST_THREAD_USES_CHRONO not defined for this platform as not supported"
#endif
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