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

   1 //
   2 // detail/timer_queue_base.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_BASE_HPP
  12 #define BOOST_ASIO_DETAIL_TIMER_QUEUE_BASE_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 #include <boost/asio/detail/noncopyable.hpp>
  20 #include <boost/asio/detail/op_queue.hpp>
  21 #include <boost/asio/detail/operation.hpp>
  22
  23 #include <boost/asio/detail/push_options.hpp>
  24
  25 namespace boost {
  26 namespace asio {
  27 namespace detail {
  28
  29 class timer_queue_base
  30   : private noncopyable
  31 {
  32 public:
  33   // Constructor.
  34   timer_queue_base() : next_(0) {}
  35
  36   // Destructor.
  37   virtual ~timer_queue_base() {}
  38
  39   // Whether there are no timers in the queue.
  40   virtual bool empty() const = 0;
  41
  42   // Get the time to wait until the next timer.
  43   virtual long wait_duration_msec(long max_duration) const = 0;
  44
  45   // Get the time to wait until the next timer.
  46   virtual long wait_duration_usec(long max_duration) const = 0;
  47
  48   // Dequeue all ready timers.
  49   virtual void get_ready_timers(op_queue<operation>& ops) = 0;
  50
  51   // Dequeue all timers.
  52   virtual void get_all_timers(op_queue<operation>& ops) = 0;
  53
  54 private:
  55   friend class timer_queue_set;
  56
  57   // Next timer queue in the set.
  58   timer_queue_base* next_;
  59 };
  60
  61 template <typename Time_Traits>
  62 class timer_queue;
  63
  64 } // namespace detail
  65 } // namespace asio
  66 } // namespace boost
  67
  68 #include <boost/asio/detail/pop_options.hpp>
  69
  70 #endif // BOOST_ASIO_DETAIL_TIMER_QUEUE_BASE_HPP