ceph/src/boost/boost/asio/detail/timer_queue_ptime.hpp

   1 //
   2 // detail/timer_queue_ptime.hpp
   3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9 //
  10
  11 #ifndef BOOST_ASIO_DETAIL_TIMER_QUEUE_PTIME_HPP
  12 #define BOOST_ASIO_DETAIL_TIMER_QUEUE_PTIME_HPP
  13
  14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  15 # pragma once
  16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  17
  18 #include <boost/asio/detail/config.hpp>
  19
  20 #if defined(BOOST_ASIO_HAS_BOOST_DATE_TIME)
  21
  22 #include <boost/asio/time_traits.hpp>
  23 #include <boost/asio/detail/timer_queue.hpp>
  24
  25 #include <boost/asio/detail/push_options.hpp>
  26
  27 namespace boost {
  28 namespace asio {
  29 namespace detail {
  30
  31 struct forwarding_posix_time_traits : time_traits<boost::posix_time::ptime> {};
  32
  33 // Template specialisation for the commonly used instantation.
  34 template <>
  35 class timer_queue<time_traits<boost::posix_time::ptime> >
  36   : public timer_queue_base
  37 {
  38 public:
  39   // The time type.
  40   typedef boost::posix_time::ptime time_type;
  41
  42   // The duration type.
  43   typedef boost::posix_time::time_duration duration_type;
  44
  45   // Per-timer data.
  46   typedef timer_queue<forwarding_posix_time_traits>::per_timer_data
  47     per_timer_data;
  48
  49   // Constructor.
  50   BOOST_ASIO_DECL timer_queue();
  51
  52   // Destructor.
  53   BOOST_ASIO_DECL virtual ~timer_queue();
  54
  55   // Add a new timer to the queue. Returns true if this is the timer that is
  56   // earliest in the queue, in which case the reactor's event demultiplexing
  57   // function call may need to be interrupted and restarted.
  58   BOOST_ASIO_DECL bool enqueue_timer(const time_type& time,
  59       per_timer_data& timer, wait_op* op);
  60
  61   // Whether there are no timers in the queue.
  62   BOOST_ASIO_DECL virtual bool empty() const;
  63
  64   // Get the time for the timer that is earliest in the queue.
  65   BOOST_ASIO_DECL virtual long wait_duration_msec(long max_duration) const;
  66
  67   // Get the time for the timer that is earliest in the queue.
  68   BOOST_ASIO_DECL virtual long wait_duration_usec(long max_duration) const;
  69
  70   // Dequeue all timers not later than the current time.
  71   BOOST_ASIO_DECL virtual void get_ready_timers(op_queue<operation>& ops);
  72
  73   // Dequeue all timers.
  74   BOOST_ASIO_DECL virtual void get_all_timers(op_queue<operation>& ops);
  75
  76   // Cancel and dequeue operations for the given timer.
  77   BOOST_ASIO_DECL std::size_t cancel_timer(
  78       per_timer_data& timer, op_queue<operation>& ops,
  79       std::size_t max_cancelled = (std::numeric_limits<std::size_t>::max)());
  80
  81   // Move operations from one timer to another, empty timer.
  82   BOOST_ASIO_DECL void move_timer(per_timer_data& target,
  83       per_timer_data& source);
  84
  85 private:
  86   timer_queue<forwarding_posix_time_traits> impl_;
  87 };
  88
  89 } // namespace detail
  90 } // namespace asio
  91 } // namespace boost
  92
  93 #include <boost/asio/detail/pop_options.hpp>
  94
  95 #if defined(BOOST_ASIO_HEADER_ONLY)
  96 # include <boost/asio/detail/impl/timer_queue_ptime.ipp>
  97 #endif // defined(BOOST_ASIO_HEADER_ONLY)
  98
  99 #endif // defined(BOOST_ASIO_HAS_BOOST_DATE_TIME)
 100
 101 #endif // BOOST_ASIO_DETAIL_TIMER_QUEUE_PTIME_HPP