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77 lines
2.0 KiB
77 lines
2.0 KiB
// |
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// detail/task_io_service_operation.hpp |
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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// |
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// Copyright (c) 2003-2011 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_TASK_IO_SERVICE_OPERATION_HPP |
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#define BOOST_ASIO_DETAIL_TASK_IO_SERVICE_OPERATION_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/system/error_code.hpp> |
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#include <boost/asio/detail/handler_tracking.hpp> |
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#include <boost/asio/detail/op_queue.hpp> |
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#include <boost/asio/detail/task_io_service_fwd.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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// Base class for all operations. A function pointer is used instead of virtual |
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// functions to avoid the associated overhead. |
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class task_io_service_operation BOOST_ASIO_INHERIT_TRACKED_HANDLER |
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{ |
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public: |
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void complete(task_io_service& owner, |
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const boost::system::error_code& ec, std::size_t bytes_transferred) |
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{ |
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func_(&owner, this, ec, bytes_transferred); |
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} |
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void destroy() |
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{ |
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func_(0, this, boost::system::error_code(), 0); |
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} |
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protected: |
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typedef void (*func_type)(task_io_service*, |
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task_io_service_operation*, |
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const boost::system::error_code&, std::size_t); |
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task_io_service_operation(func_type func) |
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: next_(0), |
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func_(func), |
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task_result_(0) |
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{ |
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} |
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// Prevents deletion through this type. |
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~task_io_service_operation() |
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{ |
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} |
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private: |
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friend class op_queue_access; |
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task_io_service_operation* next_; |
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func_type func_; |
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protected: |
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friend class task_io_service; |
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unsigned int task_result_; // Passed into bytes transferred. |
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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_TASK_IO_SERVICE_OPERATION_HPP
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