| // |
| // detail/impl/winrt_timer_scheduler.ipp |
| // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2021 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 BOOST_ASIO_DETAIL_IMPL_WINRT_TIMER_SCHEDULER_IPP |
| #define BOOST_ASIO_DETAIL_IMPL_WINRT_TIMER_SCHEDULER_IPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include <boost/asio/detail/config.hpp> |
| |
| #if defined(BOOST_ASIO_WINDOWS_RUNTIME) |
| |
| #include <boost/asio/detail/bind_handler.hpp> |
| #include <boost/asio/detail/winrt_timer_scheduler.hpp> |
| |
| #include <boost/asio/detail/push_options.hpp> |
| |
| namespace boost { |
| namespace asio { |
| namespace detail { |
| |
| winrt_timer_scheduler::winrt_timer_scheduler(execution_context& context) |
| : execution_context_service_base<winrt_timer_scheduler>(context), |
| scheduler_(use_service<scheduler_impl>(context)), |
| mutex_(), |
| event_(), |
| timer_queues_(), |
| thread_(0), |
| stop_thread_(false), |
| shutdown_(false) |
| { |
| thread_ = new boost::asio::detail::thread( |
| bind_handler(&winrt_timer_scheduler::call_run_thread, this)); |
| } |
| |
| winrt_timer_scheduler::~winrt_timer_scheduler() |
| { |
| shutdown(); |
| } |
| |
| void winrt_timer_scheduler::shutdown() |
| { |
| boost::asio::detail::mutex::scoped_lock lock(mutex_); |
| shutdown_ = true; |
| stop_thread_ = true; |
| event_.signal(lock); |
| lock.unlock(); |
| |
| if (thread_) |
| { |
| thread_->join(); |
| delete thread_; |
| thread_ = 0; |
| } |
| |
| op_queue<operation> ops; |
| timer_queues_.get_all_timers(ops); |
| scheduler_.abandon_operations(ops); |
| } |
| |
| void winrt_timer_scheduler::notify_fork(execution_context::fork_event) |
| { |
| } |
| |
| void winrt_timer_scheduler::init_task() |
| { |
| } |
| |
| void winrt_timer_scheduler::run_thread() |
| { |
| boost::asio::detail::mutex::scoped_lock lock(mutex_); |
| while (!stop_thread_) |
| { |
| const long max_wait_duration = 5 * 60 * 1000000; |
| long wait_duration = timer_queues_.wait_duration_usec(max_wait_duration); |
| event_.wait_for_usec(lock, wait_duration); |
| event_.clear(lock); |
| op_queue<operation> ops; |
| timer_queues_.get_ready_timers(ops); |
| if (!ops.empty()) |
| { |
| lock.unlock(); |
| scheduler_.post_deferred_completions(ops); |
| lock.lock(); |
| } |
| } |
| } |
| |
| void winrt_timer_scheduler::call_run_thread(winrt_timer_scheduler* scheduler) |
| { |
| scheduler->run_thread(); |
| } |
| |
| void winrt_timer_scheduler::do_add_timer_queue(timer_queue_base& queue) |
| { |
| mutex::scoped_lock lock(mutex_); |
| timer_queues_.insert(&queue); |
| } |
| |
| void winrt_timer_scheduler::do_remove_timer_queue(timer_queue_base& queue) |
| { |
| mutex::scoped_lock lock(mutex_); |
| timer_queues_.erase(&queue); |
| } |
| |
| } // namespace detail |
| } // namespace asio |
| } // namespace boost |
| |
| #include <boost/asio/detail/pop_options.hpp> |
| |
| #endif // defined(BOOST_ASIO_WINDOWS_RUNTIME) |
| |
| #endif // BOOST_ASIO_DETAIL_IMPL_WINRT_TIMER_SCHEDULER_IPP |