122 lines
2.8 KiB
C++
122 lines
2.8 KiB
C++
//
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// detail/impl/winrt_timer_scheduler.ipp
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2023 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef ASIO_DETAIL_IMPL_WINRT_TIMER_SCHEDULER_IPP
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#define ASIO_DETAIL_IMPL_WINRT_TIMER_SCHEDULER_IPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include "asio/detail/config.hpp"
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#if defined(ASIO_WINDOWS_RUNTIME)
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#include "asio/detail/bind_handler.hpp"
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#include "asio/detail/winrt_timer_scheduler.hpp"
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#include "asio/detail/push_options.hpp"
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namespace asio {
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namespace detail {
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winrt_timer_scheduler::winrt_timer_scheduler(execution_context& context)
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: execution_context_service_base<winrt_timer_scheduler>(context),
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scheduler_(use_service<scheduler_impl>(context)),
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mutex_(),
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event_(),
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timer_queues_(),
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thread_(0),
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stop_thread_(false),
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shutdown_(false)
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{
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thread_ = new asio::detail::thread(
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bind_handler(&winrt_timer_scheduler::call_run_thread, this));
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}
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winrt_timer_scheduler::~winrt_timer_scheduler()
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{
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shutdown();
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}
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void winrt_timer_scheduler::shutdown()
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{
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asio::detail::mutex::scoped_lock lock(mutex_);
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shutdown_ = true;
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stop_thread_ = true;
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event_.signal(lock);
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lock.unlock();
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if (thread_)
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{
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thread_->join();
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delete thread_;
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thread_ = 0;
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}
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op_queue<operation> ops;
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timer_queues_.get_all_timers(ops);
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scheduler_.abandon_operations(ops);
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}
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void winrt_timer_scheduler::notify_fork(execution_context::fork_event)
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{
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}
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void winrt_timer_scheduler::init_task()
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{
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}
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void winrt_timer_scheduler::run_thread()
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{
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asio::detail::mutex::scoped_lock lock(mutex_);
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while (!stop_thread_)
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{
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const long max_wait_duration = 5 * 60 * 1000000;
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long wait_duration = timer_queues_.wait_duration_usec(max_wait_duration);
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event_.wait_for_usec(lock, wait_duration);
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event_.clear(lock);
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op_queue<operation> ops;
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timer_queues_.get_ready_timers(ops);
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if (!ops.empty())
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{
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lock.unlock();
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scheduler_.post_deferred_completions(ops);
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lock.lock();
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}
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}
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}
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void winrt_timer_scheduler::call_run_thread(winrt_timer_scheduler* scheduler)
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{
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scheduler->run_thread();
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}
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void winrt_timer_scheduler::do_add_timer_queue(timer_queue_base& queue)
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{
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mutex::scoped_lock lock(mutex_);
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timer_queues_.insert(&queue);
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}
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void winrt_timer_scheduler::do_remove_timer_queue(timer_queue_base& queue)
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{
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mutex::scoped_lock lock(mutex_);
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timer_queues_.erase(&queue);
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}
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} // namespace detail
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} // namespace asio
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#include "asio/detail/pop_options.hpp"
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#endif // defined(ASIO_WINDOWS_RUNTIME)
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#endif // ASIO_DETAIL_IMPL_WINRT_TIMER_SCHEDULER_IPP
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