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

   1 //
   2 // detail/timer_queue_ptime.hpp
   3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2016 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/time_traits.hpp>
  19 #include <boost/asio/detail/timer_queue.hpp>
  20
  21 #include <boost/asio/detail/push_options.hpp>
  22
  23 #if defined(BOOST_ASIO_HAS_BOOST_DATE_TIME)
  24
  25 namespace boost {
  26 namespace asio {
  27 namespace detail {
  28
  29 struct forwarding_posix_time_traits : time_traits<boost::posix_time::ptime> {};
  30
  31 // Template specialisation for the commonly used instantation.
  32 template <>
  33 class timer_queue<time_traits<boost::posix_time::ptime> >
  34   : public timer_queue_base
  35 {
  36 public:
  37   // The time type.
  38   typedef boost::posix_time::ptime time_type;
  39
  40   // The duration type.
  41   typedef boost::posix_time::time_duration duration_type;
  42
  43   // Per-timer data.
  44   typedef timer_queue<forwarding_posix_time_traits>::per_timer_data
  45     per_timer_data;
  46
  47   // Constructor.
  48   BOOST_ASIO_DECL timer_queue();
  49
  50   // Destructor.
  51   BOOST_ASIO_DECL virtual ~timer_queue();
  52
  53   // Add a new timer to the queue. Returns true if this is the timer that is
  54   // earliest in the queue, in which case the reactor's event demultiplexing
  55   // function call may need to be interrupted and restarted.
  56   BOOST_ASIO_DECL bool enqueue_timer(const time_type& time,
  57       per_timer_data& timer, wait_op* op);
  58
  59   // Whether there are no timers in the queue.
  60   BOOST_ASIO_DECL virtual bool empty() const;
  61
  62   // Get the time for the timer that is earliest in the queue.
  63   BOOST_ASIO_DECL virtual long wait_duration_msec(long max_duration) const;
  64
  65   // Get the time for the timer that is earliest in the queue.
  66   BOOST_ASIO_DECL virtual long wait_duration_usec(long max_duration) const;
  67
  68   // Dequeue all timers not later than the current time.
  69   BOOST_ASIO_DECL virtual void get_ready_timers(op_queue<operation>& ops);
  70
  71   // Dequeue all timers.
  72   BOOST_ASIO_DECL virtual void get_all_timers(op_queue<operation>& ops);
  73
  74   // Cancel and dequeue operations for the given timer.
  75   BOOST_ASIO_DECL std::size_t cancel_timer(
  76       per_timer_data& timer, op_queue<operation>& ops,
  77       std::size_t max_cancelled = (std::numeric_limits<std::size_t>::max)());
  78
  79 private:
  80   timer_queue<forwarding_posix_time_traits> impl_;
  81 };
  82
  83 } // namespace detail
  84 } // namespace asio
  85 } // namespace boost
  86
  87 #endif // defined(BOOST_ASIO_HAS_BOOST_DATE_TIME)
  88
  89 #include <boost/asio/detail/pop_options.hpp>
  90
  91 #if defined(BOOST_ASIO_HEADER_ONLY)
  92 # include <boost/asio/detail/impl/timer_queue_ptime.ipp>
  93 #endif // defined(BOOST_ASIO_HEADER_ONLY)
  94
  95 #endif // BOOST_ASIO_DETAIL_TIMER_QUEUE_PTIME_HPP