Chris@16: //
Chris@16: // detail/winrt_timer_scheduler.hpp
Chris@16: // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Chris@16: //
Chris@101: // Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16: // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: 
Chris@16: #ifndef BOOST_ASIO_DETAIL_WINRT_TIMER_SCHEDULER_HPP
Chris@16: #define BOOST_ASIO_DETAIL_WINRT_TIMER_SCHEDULER_HPP
Chris@16: 
Chris@16: #if defined(_MSC_VER) && (_MSC_VER >= 1200)
Chris@16: # pragma once
Chris@16: #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
Chris@16: 
Chris@16: #include <boost/asio/detail/config.hpp>
Chris@16: 
Chris@16: #if defined(BOOST_ASIO_WINDOWS_RUNTIME)
Chris@16: 
Chris@16: #include <cstddef>
Chris@16: #include <boost/asio/detail/event.hpp>
Chris@16: #include <boost/asio/detail/limits.hpp>
Chris@16: #include <boost/asio/detail/mutex.hpp>
Chris@16: #include <boost/asio/detail/op_queue.hpp>
Chris@16: #include <boost/asio/detail/thread.hpp>
Chris@16: #include <boost/asio/detail/timer_queue_base.hpp>
Chris@16: #include <boost/asio/detail/timer_queue_set.hpp>
Chris@16: #include <boost/asio/detail/wait_op.hpp>
Chris@16: #include <boost/asio/io_service.hpp>
Chris@16: 
Chris@16: #if defined(BOOST_ASIO_HAS_IOCP)
Chris@16: # include <boost/asio/detail/thread.hpp>
Chris@16: #endif // defined(BOOST_ASIO_HAS_IOCP)
Chris@16: 
Chris@16: #include <boost/asio/detail/push_options.hpp>
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace asio {
Chris@16: namespace detail {
Chris@16: 
Chris@16: class winrt_timer_scheduler
Chris@16:   : public boost::asio::detail::service_base<winrt_timer_scheduler>
Chris@16: {
Chris@16: public:
Chris@16:   // Constructor.
Chris@16:   BOOST_ASIO_DECL winrt_timer_scheduler(boost::asio::io_service& io_service);
Chris@16: 
Chris@16:   // Destructor.
Chris@16:   BOOST_ASIO_DECL ~winrt_timer_scheduler();
Chris@16: 
Chris@16:   // Destroy all user-defined handler objects owned by the service.
Chris@16:   BOOST_ASIO_DECL void shutdown_service();
Chris@16: 
Chris@16:   // Recreate internal descriptors following a fork.
Chris@16:   BOOST_ASIO_DECL void fork_service(
Chris@16:       boost::asio::io_service::fork_event fork_ev);
Chris@16: 
Chris@16:   // Initialise the task. No effect as this class uses its own thread.
Chris@16:   BOOST_ASIO_DECL void init_task();
Chris@16: 
Chris@16:   // Add a new timer queue to the reactor.
Chris@16:   template <typename Time_Traits>
Chris@16:   void add_timer_queue(timer_queue<Time_Traits>& queue);
Chris@16: 
Chris@16:   // Remove a timer queue from the reactor.
Chris@16:   template <typename Time_Traits>
Chris@16:   void remove_timer_queue(timer_queue<Time_Traits>& queue);
Chris@16: 
Chris@16:   // Schedule a new operation in the given timer queue to expire at the
Chris@16:   // specified absolute time.
Chris@16:   template <typename Time_Traits>
Chris@16:   void schedule_timer(timer_queue<Time_Traits>& queue,
Chris@16:       const typename Time_Traits::time_type& time,
Chris@16:       typename timer_queue<Time_Traits>::per_timer_data& timer, wait_op* op);
Chris@16: 
Chris@16:   // Cancel the timer operations associated with the given token. Returns the
Chris@16:   // number of operations that have been posted or dispatched.
Chris@16:   template <typename Time_Traits>
Chris@16:   std::size_t cancel_timer(timer_queue<Time_Traits>& queue,
Chris@16:       typename timer_queue<Time_Traits>::per_timer_data& timer,
Chris@16:       std::size_t max_cancelled = (std::numeric_limits<std::size_t>::max)());
Chris@16: 
Chris@16: private:
Chris@16:   // Run the select loop in the thread.
Chris@16:   BOOST_ASIO_DECL void run_thread();
Chris@16: 
Chris@16:   // Entry point for the select loop thread.
Chris@16:   BOOST_ASIO_DECL static void call_run_thread(winrt_timer_scheduler* reactor);
Chris@16: 
Chris@16:   // Helper function to add a new timer queue.
Chris@16:   BOOST_ASIO_DECL void do_add_timer_queue(timer_queue_base& queue);
Chris@16: 
Chris@16:   // Helper function to remove a timer queue.
Chris@16:   BOOST_ASIO_DECL void do_remove_timer_queue(timer_queue_base& queue);
Chris@16: 
Chris@16:   // The io_service implementation used to post completions.
Chris@16:   io_service_impl& io_service_;
Chris@16: 
Chris@16:   // Mutex used to protect internal variables.
Chris@16:   boost::asio::detail::mutex mutex_;
Chris@16: 
Chris@16:   // Event used to wake up background thread.
Chris@16:   boost::asio::detail::event event_;
Chris@16: 
Chris@16:   // The timer queues.
Chris@16:   timer_queue_set timer_queues_;
Chris@16: 
Chris@16:   // The background thread that is waiting for timers to expire.
Chris@16:   boost::asio::detail::thread* thread_;
Chris@16: 
Chris@16:   // Does the background thread need to stop.
Chris@16:   bool stop_thread_;
Chris@16: 
Chris@16:   // Whether the service has been shut down.
Chris@16:   bool shutdown_;
Chris@16: };
Chris@16: 
Chris@16: } // namespace detail
Chris@16: } // namespace asio
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #include <boost/asio/detail/pop_options.hpp>
Chris@16: 
Chris@16: #include <boost/asio/detail/impl/winrt_timer_scheduler.hpp>
Chris@16: #if defined(BOOST_ASIO_HEADER_ONLY)
Chris@16: # include <boost/asio/detail/impl/winrt_timer_scheduler.ipp>
Chris@16: #endif // defined(BOOST_ASIO_HEADER_ONLY)
Chris@16: 
Chris@16: #endif // defined(BOOST_ASIO_WINDOWS_RUNTIME)
Chris@16: 
Chris@16: #endif // BOOST_ASIO_DETAIL_WINRT_TIMER_SCHEDULER_HPP