| // |
| // detail/task_io_service_operation.hpp |
| // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2011 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_TASK_IO_SERVICE_OPERATION_HPP |
| #define ASIO_DETAIL_TASK_IO_SERVICE_OPERATION_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include "asio/error_code.hpp" |
| #include "asio/detail/handler_tracking.hpp" |
| #include "asio/detail/op_queue.hpp" |
| #include "asio/detail/task_io_service_fwd.hpp" |
| |
| #include "asio/detail/push_options.hpp" |
| |
| namespace asio { |
| namespace detail { |
| |
| // Base class for all operations. A function pointer is used instead of virtual |
| // functions to avoid the associated overhead. |
| class task_io_service_operation ASIO_INHERIT_TRACKED_HANDLER |
| { |
| public: |
| void complete(task_io_service& owner) |
| { |
| func_(&owner, this, asio::error_code(), 0); |
| } |
| |
| void destroy() |
| { |
| func_(0, this, asio::error_code(), 0); |
| } |
| |
| protected: |
| typedef void (*func_type)(task_io_service*, |
| task_io_service_operation*, |
| asio::error_code, std::size_t); |
| |
| task_io_service_operation(func_type func) |
| : next_(0), |
| func_(func) |
| { |
| } |
| |
| // Prevents deletion through this type. |
| ~task_io_service_operation() |
| { |
| } |
| |
| private: |
| friend class op_queue_access; |
| task_io_service_operation* next_; |
| func_type func_; |
| }; |
| |
| } // namespace detail |
| } // namespace asio |
| |
| #include "asio/detail/pop_options.hpp" |
| |
| #endif // ASIO_DETAIL_TASK_IO_SERVICE_OPERATION_HPP |