1 // 2 // detail/timer_queue_base.hpp 3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~ 4 // 5 // Copyright (c) 2003-2015 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 ASIO_DETAIL_TIMER_QUEUE_BASE_HPP 12 #define ASIO_DETAIL_TIMER_QUEUE_BASE_HPP 13 14 15 #include "asio/detail/config.hpp" 16 #include "asio/detail/noncopyable.hpp" 17 #include "asio/detail/op_queue.hpp" 18 #include "asio/detail/operation.hpp" 19 20 #include "asio/detail/push_options.hpp" 21 22 namespace asio { 23 namespace detail { 24 25 class timer_queue_base 26 : private noncopyable 27 { 28 public: 29 // Constructor. 30 timer_queue_base() : next_(0) {} 31 32 // Destructor. 33 virtual ~timer_queue_base() {} 34 35 // Whether there are no timers in the queue. 36 virtual bool empty() const = 0; 37 38 // Get the time to wait until the next timer. 39 virtual long wait_duration_msec(long max_duration) const = 0; 40 41 // Get the time to wait until the next timer. 42 virtual long wait_duration_usec(long max_duration) const = 0; 43 44 // Dequeue all ready timers. 45 virtual void get_ready_timers(op_queue<operation>& ops) = 0; 46 47 // Dequeue all timers. 48 virtual void get_all_timers(op_queue<operation>& ops) = 0; 49 50 private: 51 friend class timer_queue_set; 52 53 // Next timer queue in the set. 54 timer_queue_base* next_; 55 }; 56 57 template <typename Time_Traits> 58 class timer_queue; 59 60 } // namespace detail 61 } // namespace asio 62 63 #include "asio/detail/pop_options.hpp" 64 65 #endif // ASIO_DETAIL_TIMER_QUEUE_BASE_HPP 66
