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- //
- // windows/object_handle_service.hpp
- // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- //
- // Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
- // Copyright (c) 2011 Boris Schaeling (boris@highscore.de)
- //
- // 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_WINDOWS_OBJECT_HANDLE_SERVICE_HPP
- #define ASIO_WINDOWS_OBJECT_HANDLE_SERVICE_HPP
-
- #if defined(_MSC_VER) && (_MSC_VER >= 1200)
- # pragma once
- #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
- #include "asio/detail/config.hpp"
-
- #if defined(ASIO_HAS_WINDOWS_OBJECT_HANDLE) \
- || defined(GENERATING_DOCUMENTATION)
-
- #include "asio/async_result.hpp"
- #include "asio/detail/win_object_handle_service.hpp"
- #include "asio/error.hpp"
- #include "asio/io_context.hpp"
-
- #include "asio/detail/push_options.hpp"
-
- namespace asio {
- namespace windows {
-
- /// Default service implementation for an object handle.
- class object_handle_service
- #if defined(GENERATING_DOCUMENTATION)
- : public asio::io_context::service
- #else
- : public asio::detail::service_base<object_handle_service>
- #endif
- {
- public:
- #if defined(GENERATING_DOCUMENTATION)
- /// The unique service identifier.
- static asio::io_context::id id;
- #endif
-
- private:
- // The type of the platform-specific implementation.
- typedef detail::win_object_handle_service service_impl_type;
-
- public:
- /// The type of an object handle implementation.
- #if defined(GENERATING_DOCUMENTATION)
- typedef implementation_defined implementation_type;
- #else
- typedef service_impl_type::implementation_type implementation_type;
- #endif
-
- /// The native handle type.
- #if defined(GENERATING_DOCUMENTATION)
- typedef implementation_defined native_handle_type;
- #else
- typedef service_impl_type::native_handle_type native_handle_type;
- #endif
-
- /// Construct a new object handle service for the specified io_context.
- explicit object_handle_service(asio::io_context& io_context)
- : asio::detail::service_base<object_handle_service>(io_context),
- service_impl_(io_context)
- {
- }
-
- /// Construct a new object handle implementation.
- void construct(implementation_type& impl)
- {
- service_impl_.construct(impl);
- }
-
- #if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
- /// Move-construct a new object handle implementation.
- void move_construct(implementation_type& impl,
- implementation_type& other_impl)
- {
- service_impl_.move_construct(impl, other_impl);
- }
-
- /// Move-assign from another object handle implementation.
- void move_assign(implementation_type& impl,
- object_handle_service& other_service,
- implementation_type& other_impl)
- {
- service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
- }
- #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
- /// Destroy an object handle implementation.
- void destroy(implementation_type& impl)
- {
- service_impl_.destroy(impl);
- }
-
- /// Assign an existing native handle to an object handle.
- asio::error_code assign(implementation_type& impl,
- const native_handle_type& handle, asio::error_code& ec)
- {
- return service_impl_.assign(impl, handle, ec);
- }
-
- /// Determine whether the handle is open.
- bool is_open(const implementation_type& impl) const
- {
- return service_impl_.is_open(impl);
- }
-
- /// Close an object handle implementation.
- asio::error_code close(implementation_type& impl,
- asio::error_code& ec)
- {
- return service_impl_.close(impl, ec);
- }
-
- /// Get the native handle implementation.
- native_handle_type native_handle(implementation_type& impl)
- {
- return service_impl_.native_handle(impl);
- }
-
- /// Cancel all asynchronous operations associated with the handle.
- asio::error_code cancel(implementation_type& impl,
- asio::error_code& ec)
- {
- return service_impl_.cancel(impl, ec);
- }
-
- // Wait for a signaled state.
- void wait(implementation_type& impl, asio::error_code& ec)
- {
- service_impl_.wait(impl, ec);
- }
-
- /// Start an asynchronous wait.
- template <typename WaitHandler>
- ASIO_INITFN_RESULT_TYPE(WaitHandler,
- void (asio::error_code))
- async_wait(implementation_type& impl,
- ASIO_MOVE_ARG(WaitHandler) handler)
- {
- asio::async_completion<WaitHandler,
- void (asio::error_code)> init(handler);
-
- service_impl_.async_wait(impl, init.handler);
-
- return init.result.get();
- }
-
- private:
- // Destroy all user-defined handler objects owned by the service.
- void shutdown()
- {
- service_impl_.shutdown();
- }
-
- // The platform-specific implementation.
- service_impl_type service_impl_;
- };
-
- } // namespace windows
- } // namespace asio
-
- #include "asio/detail/pop_options.hpp"
-
- #endif // defined(ASIO_HAS_WINDOWS_OBJECT_HANDLE)
- // || defined(GENERATING_DOCUMENTATION)
-
- #endif // ASIO_WINDOWS_OBJECT_HANDLE_SERVICE_HPP
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