79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
//
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// impl/dispatch.hpp
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// ~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2018 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_IMPL_DISPATCH_HPP
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#define ASIO_IMPL_DISPATCH_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 "asio/detail/config.hpp"
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#include "asio/associated_allocator.hpp"
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#include "asio/associated_executor.hpp"
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#include "asio/detail/work_dispatcher.hpp"
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#include "asio/detail/push_options.hpp"
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namespace asio {
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template <typename CompletionToken>
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ASIO_INITFN_RESULT_TYPE(CompletionToken, void()) dispatch(
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ASIO_MOVE_ARG(CompletionToken) token)
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{
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typedef ASIO_HANDLER_TYPE(CompletionToken, void()) handler;
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async_completion<CompletionToken, void()> init(token);
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typename associated_executor<handler>::type ex(
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(get_associated_executor)(init.completion_handler));
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typename associated_allocator<handler>::type alloc(
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(get_associated_allocator)(init.completion_handler));
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ex.dispatch(ASIO_MOVE_CAST(handler)(init.completion_handler), alloc);
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return init.result.get();
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}
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template <typename Executor, typename CompletionToken>
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ASIO_INITFN_RESULT_TYPE(CompletionToken, void()) dispatch(
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const Executor& ex, ASIO_MOVE_ARG(CompletionToken) token,
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typename enable_if<is_executor<Executor>::value>::type*)
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{
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typedef ASIO_HANDLER_TYPE(CompletionToken, void()) handler;
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async_completion<CompletionToken, void()> init(token);
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typename associated_allocator<handler>::type alloc(
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(get_associated_allocator)(init.completion_handler));
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ex.dispatch(detail::work_dispatcher<handler>(
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init.completion_handler), alloc);
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return init.result.get();
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}
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template <typename ExecutionContext, typename CompletionToken>
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inline ASIO_INITFN_RESULT_TYPE(CompletionToken, void()) dispatch(
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ExecutionContext& ctx, ASIO_MOVE_ARG(CompletionToken) token,
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typename enable_if<is_convertible<
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ExecutionContext&, execution_context&>::value>::type*)
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{
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return (dispatch)(ctx.get_executor(),
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ASIO_MOVE_CAST(CompletionToken)(token));
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}
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} // namespace asio
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#include "asio/detail/pop_options.hpp"
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#endif // ASIO_IMPL_DISPATCH_HPP
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