/src/contrib/boost/asio/detail/task_io_service_operation.hpp
http://pythonocc.googlecode.com/ · C++ Header · 71 lines · 45 code · 14 blank · 12 comment · 1 complexity · cd92d66ef2e27e2aa17d581eb654d813 MD5 · raw file
- //
- // task_io_service_operation.hpp
- // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- //
- // Copyright (c) 2003-2010 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 BOOST_ASIO_DETAIL_TASK_IO_SERVICE_OPERATION_HPP
- #define BOOST_ASIO_DETAIL_TASK_IO_SERVICE_OPERATION_HPP
- #if defined(_MSC_VER) && (_MSC_VER >= 1200)
- # pragma once
- #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
- #include <boost/asio/detail/push_options.hpp>
- #include <boost/asio/detail/op_queue.hpp>
- #include <boost/asio/detail/task_io_service_fwd.hpp>
- namespace boost {
- namespace asio {
- namespace detail {
- // Base class for all operations. A function pointer is used instead of virtual
- // functions to avoid the associated overhead.
- template <typename Task>
- class task_io_service_operation
- {
- public:
- void complete(task_io_service<Task>& owner)
- {
- func_(&owner, this, boost::system::error_code(), 0);
- }
- void destroy()
- {
- func_(0, this, boost::system::error_code(), 0);
- }
- protected:
- typedef void (*func_type)(task_io_service<Task>*,
- task_io_service_operation*, boost::system::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
- } // namespace boost
- #include <boost/system/error_code.hpp>
- #include <boost/asio/detail/pop_options.hpp>
- #endif // BOOST_ASIO_DETAIL_TASK_IO_SERVICE_OPERATION_HPP