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- //
- // detail/reactor_op.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 ASIO_DETAIL_REACTOR_OP_HPP
- #define ASIO_DETAIL_REACTOR_OP_HPP
-
- #if defined(_MSC_VER) && (_MSC_VER >= 1200)
- # pragma once
- #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
- #include "asio/detail/config.hpp"
- #include "asio/detail/operation.hpp"
-
- #include "asio/detail/push_options.hpp"
-
- namespace asio {
- namespace detail {
-
- class reactor_op
- : public operation
- {
- public:
- // The error code to be passed to the completion handler.
- asio::error_code ec_;
-
- // The number of bytes transferred, to be passed to the completion handler.
- std::size_t bytes_transferred_;
-
- // Status returned by perform function. May be used to decide whether it is
- // worth performing more operations on the descriptor immediately.
- enum status { not_done, done, done_and_exhausted };
-
- // Perform the operation. Returns true if it is finished.
- status perform()
- {
- return perform_func_(this);
- }
-
- protected:
- typedef status (*perform_func_type)(reactor_op*);
-
- reactor_op(perform_func_type perform_func, func_type complete_func)
- : operation(complete_func),
- bytes_transferred_(0),
- perform_func_(perform_func)
- {
- }
-
- private:
- perform_func_type perform_func_;
- };
-
- } // namespace detail
- } // namespace asio
-
- #include "asio/detail/pop_options.hpp"
-
- #endif // ASIO_DETAIL_REACTOR_OP_HPP
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