detail/impl/winrt_timer_scheduler.hpp

0001 //
0002 // detail/impl/winrt_timer_scheduler.hpp
0003 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0004 //
0005 // Copyright (c) 2003-2023 Christopher M. Kohlhoff (chris at kohlhoff dot com)
0006 //
0007 // Distributed under the Boost Software License, Version 1.0. (See accompanying
0008 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0009 //
0010
0011 #ifndef BOOST_ASIO_DETAIL_IMPL_WINRT_TIMER_SCHEDULER_HPP
0012 #define BOOST_ASIO_DETAIL_IMPL_WINRT_TIMER_SCHEDULER_HPP
0013
0014 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
0015 # pragma once
0016 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
0017
0018 #include <boost/asio/detail/config.hpp>
0019
0020 #if defined(BOOST_ASIO_WINDOWS_RUNTIME)
0021
0022 #include <boost/asio/detail/push_options.hpp>
0023
0024 namespace boost {
0025 namespace asio {
0026 namespace detail {
0027
0028 template <typename Time_Traits>
0029 void winrt_timer_scheduler::add_timer_queue(timer_queue<Time_Traits>& queue)
0030 {
0031   do_add_timer_queue(queue);
0032 }
0033
0034 // Remove a timer queue from the reactor.
0035 template <typename Time_Traits>
0036 void winrt_timer_scheduler::remove_timer_queue(timer_queue<Time_Traits>& queue)
0037 {
0038   do_remove_timer_queue(queue);
0039 }
0040
0041 template <typename Time_Traits>
0042 void winrt_timer_scheduler::schedule_timer(timer_queue<Time_Traits>& queue,
0043     const typename Time_Traits::time_type& time,
0044     typename timer_queue<Time_Traits>::per_timer_data& timer, wait_op* op)
0045 {
0046   boost::asio::detail::mutex::scoped_lock lock(mutex_);
0047
0048   if (shutdown_)
0049   {
0050     scheduler_.post_immediate_completion(op, false);
0051     return;
0052   }
0053
0054   bool earliest = queue.enqueue_timer(time, timer, op);
0055   scheduler_.work_started();
0056   if (earliest)
0057     event_.signal(lock);
0058 }
0059
0060 template <typename Time_Traits>
0061 std::size_t winrt_timer_scheduler::cancel_timer(timer_queue<Time_Traits>& queue,
0062     typename timer_queue<Time_Traits>::per_timer_data& timer,
0063     std::size_t max_cancelled)
0064 {
0065   boost::asio::detail::mutex::scoped_lock lock(mutex_);
0066   op_queue<operation> ops;
0067   std::size_t n = queue.cancel_timer(timer, ops, max_cancelled);
0068   lock.unlock();
0069   scheduler_.post_deferred_completions(ops);
0070   return n;
0071 }
0072
0073 template <typename Time_Traits>
0074 void winrt_timer_scheduler::move_timer(timer_queue<Time_Traits>& queue,
0075     typename timer_queue<Time_Traits>::per_timer_data& to,
0076     typename timer_queue<Time_Traits>::per_timer_data& from)
0077 {
0078   boost::asio::detail::mutex::scoped_lock lock(mutex_);
0079   op_queue<operation> ops;
0080   queue.cancel_timer(to, ops);
0081   queue.move_timer(to, from);
0082   lock.unlock();
0083   scheduler_.post_deferred_completions(ops);
0084 }
0085
0086 } // namespace detail
0087 } // namespace asio
0088 } // namespace boost
0089
0090 #include <boost/asio/detail/pop_options.hpp>
0091
0092 #endif // defined(BOOST_ASIO_WINDOWS_RUNTIME)
0093
0094 #endif // BOOST_ASIO_DETAIL_IMPL_WINRT_TIMER_SCHEDULER_HPP