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+//
+// windows/object_handle_service.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 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_ENABLE_OLD_SERVICES)
+
+#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_SYNC_OP_VOID assign(implementation_type& impl,
+ const native_handle_type& handle, asio::error_code& ec)
+ {
+ service_impl_.assign(impl, handle, ec);
+ ASIO_SYNC_OP_VOID_RETURN(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_SYNC_OP_VOID close(implementation_type& impl,
+ asio::error_code& ec)
+ {
+ service_impl_.close(impl, ec);
+ ASIO_SYNC_OP_VOID_RETURN(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_SYNC_OP_VOID cancel(implementation_type& impl,
+ asio::error_code& ec)
+ {
+ service_impl_.cancel(impl, ec);
+ ASIO_SYNC_OP_VOID_RETURN(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.completion_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 // defined(ASIO_ENABLE_OLD_SERVICES)
+
+#endif // ASIO_WINDOWS_OBJECT_HANDLE_SERVICE_HPP