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- //
- // detail/work_dispatcher.hpp
- // ~~~~~~~~~~~~~~~~~~~~~~~~~~
- //
- // Copyright (c) 2003-2019 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_WORK_DISPATCHER_HPP
- #define BOOST_ASIO_DETAIL_WORK_DISPATCHER_HPP
- #if defined(_MSC_VER) && (_MSC_VER >= 1200)
- # pragma once
- #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
- #include <boost/asio/detail/config.hpp>
- #include <boost/asio/associated_executor.hpp>
- #include <boost/asio/associated_allocator.hpp>
- #include <boost/asio/executor_work_guard.hpp>
- #include <boost/asio/detail/push_options.hpp>
- namespace boost {
- namespace asio {
- namespace detail {
- template <typename Handler>
- class work_dispatcher
- {
- public:
- template <typename CompletionHandler>
- explicit work_dispatcher(BOOST_ASIO_MOVE_ARG(CompletionHandler) handler)
- : work_((get_associated_executor)(handler)),
- handler_(BOOST_ASIO_MOVE_CAST(CompletionHandler)(handler))
- {
- }
- #if defined(BOOST_ASIO_HAS_MOVE)
- work_dispatcher(const work_dispatcher& other)
- : work_(other.work_),
- handler_(other.handler_)
- {
- }
- work_dispatcher(work_dispatcher&& other)
- : work_(BOOST_ASIO_MOVE_CAST(executor_work_guard<
- typename associated_executor<Handler>::type>)(other.work_)),
- handler_(BOOST_ASIO_MOVE_CAST(Handler)(other.handler_))
- {
- }
- #endif // defined(BOOST_ASIO_HAS_MOVE)
- void operator()()
- {
- typename associated_allocator<Handler>::type alloc(
- (get_associated_allocator)(handler_));
- work_.get_executor().dispatch(
- BOOST_ASIO_MOVE_CAST(Handler)(handler_), alloc);
- work_.reset();
- }
- private:
- executor_work_guard<typename associated_executor<Handler>::type> work_;
- Handler handler_;
- };
- } // namespace detail
- } // namespace asio
- } // namespace boost
- #include <boost/asio/detail/pop_options.hpp>
- #endif // BOOST_ASIO_DETAIL_WORK_DISPATCHER_HPP
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