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// 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)
// (C) Copyright 2011 Vicente J. Botet Escriba
#ifndef BOOST_THREAD_V2_THREAD_HPP
#define BOOST_THREAD_V2_THREAD_HPP
#include <boost/thread/detail/config.hpp>
#ifdef BOOST_THREAD_USES_CHRONO
#include <boost/chrono/system_clocks.hpp>
#endif
#include <boost/thread/condition_variable.hpp>
#include <boost/thread/locks.hpp>
namespace boost
{
namespace this_thread
{
#ifdef BOOST_THREAD_USES_CHRONO
template <class Rep, class Period>
void sleep_for(const chrono::duration<Rep, Period>& d)
{
using namespace chrono;
nanoseconds ns = duration_cast<nanoseconds> (d);
if (ns < d) ++ns;
sleep_for(ns);
}
template <class Clock, class Duration>
void sleep_until(const chrono::time_point<Clock, Duration>& t)
{
using namespace chrono;
mutex mut;
condition_variable cv;
unique_lock<mutex> lk(mut);
while (Clock::now() < t)
cv.wait_until(lk, t);
}
template <class Duration>
inline BOOST_SYMBOL_VISIBLE
void sleep_until(const chrono::time_point<chrono::steady_clock, Duration>& t)
{
using namespace chrono;
sleep_for(t - steady_clock::now());
}
#endif
}
}
#endif
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