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