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