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//
// detail/timer_queue_ptime.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2012 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// 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)
//
#ifndef BOOST_ASIO_DETAIL_TIMER_QUEUE_PTIME_HPP
#define BOOST_ASIO_DETAIL_TIMER_QUEUE_PTIME_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include <boost/asio/time_traits.hpp>
#include <boost/asio/detail/timer_queue.hpp>
#include <boost/asio/detail/push_options.hpp>
namespace boost {
namespace asio {
namespace detail {
struct forwarding_posix_time_traits : time_traits<boost::posix_time::ptime> {};
// Template specialisation for the commonly used instantation.
template <>
class timer_queue<time_traits<boost::posix_time::ptime> >
: public timer_queue_base
{
public:
// The time type.
typedef boost::posix_time::ptime time_type;
// The duration type.
typedef boost::posix_time::time_duration duration_type;
// Per-timer data.
typedef timer_queue<forwarding_posix_time_traits>::per_timer_data
per_timer_data;
// Constructor.
BOOST_ASIO_DECL timer_queue();
// Destructor.
BOOST_ASIO_DECL virtual ~timer_queue();
// Add a new timer to the queue. Returns true if this is the timer that is
// earliest in the queue, in which case the reactor's event demultiplexing
// function call may need to be interrupted and restarted.
BOOST_ASIO_DECL bool enqueue_timer(const time_type& time,
per_timer_data& timer, wait_op* op);
// Whether there are no timers in the queue.
BOOST_ASIO_DECL virtual bool empty() const;
// Get the time for the timer that is earliest in the queue.
BOOST_ASIO_DECL virtual long wait_duration_msec(long max_duration) const;
// Get the time for the timer that is earliest in the queue.
BOOST_ASIO_DECL virtual long wait_duration_usec(long max_duration) const;
// Dequeue all timers not later than the current time.
BOOST_ASIO_DECL virtual void get_ready_timers(op_queue<operation>& ops);
// Dequeue all timers.
BOOST_ASIO_DECL virtual void get_all_timers(op_queue<operation>& ops);
// Cancel and dequeue operations for the given timer.
BOOST_ASIO_DECL std::size_t cancel_timer(
per_timer_data& timer, op_queue<operation>& ops,
std::size_t max_cancelled = (std::numeric_limits<std::size_t>::max)());
private:
timer_queue<forwarding_posix_time_traits> impl_;
};
} // namespace detail
} // namespace asio
} // namespace boost
#include <boost/asio/detail/pop_options.hpp>
#if defined(BOOST_ASIO_HEADER_ONLY)
# include <boost/asio/detail/impl/timer_queue_ptime.ipp>
#endif // defined(BOOST_ASIO_HEADER_ONLY)
#endif // BOOST_ASIO_DETAIL_TIMER_QUEUE_PTIME_HPP
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