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-rw-r--r--lib/asio/windows/basic_handle.hpp273
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diff --git a/lib/asio/windows/basic_handle.hpp b/lib/asio/windows/basic_handle.hpp
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-//
-// windows/basic_handle.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2018 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_WINDOWS_BASIC_HANDLE_HPP
-#define ASIO_WINDOWS_BASIC_HANDLE_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_RANDOM_ACCESS_HANDLE) \
- || defined(ASIO_HAS_WINDOWS_STREAM_HANDLE) \
- || defined(ASIO_HAS_WINDOWS_OBJECT_HANDLE) \
- || defined(GENERATING_DOCUMENTATION)
-
-#include "asio/basic_io_object.hpp"
-#include "asio/detail/throw_error.hpp"
-#include "asio/error.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace windows {
-
-/// Provides Windows handle functionality.
-/**
- * The windows::basic_handle class template provides the ability to wrap a
- * Windows handle.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- */
-template <typename HandleService>
-class basic_handle
- : public basic_io_object<HandleService>
-{
-public:
- /// The native representation of a handle.
- typedef typename HandleService::native_handle_type native_handle_type;
-
- /// A basic_handle is always the lowest layer.
- typedef basic_handle<HandleService> lowest_layer_type;
-
- /// Construct a basic_handle without opening it.
- /**
- * This constructor creates a handle without opening it.
- *
- * @param io_context The io_context object that the handle will use to
- * dispatch handlers for any asynchronous operations performed on the handle.
- */
- explicit basic_handle(asio::io_context& io_context)
- : basic_io_object<HandleService>(io_context)
- {
- }
-
- /// Construct a basic_handle on an existing native handle.
- /**
- * This constructor creates a handle object to hold an existing native handle.
- *
- * @param io_context The io_context object that the handle will use to
- * dispatch handlers for any asynchronous operations performed on the handle.
- *
- * @param handle A native handle.
- *
- * @throws asio::system_error Thrown on failure.
- */
- basic_handle(asio::io_context& io_context,
- const native_handle_type& handle)
- : basic_io_object<HandleService>(io_context)
- {
- asio::error_code ec;
- this->get_service().assign(this->get_implementation(), handle, ec);
- asio::detail::throw_error(ec, "assign");
- }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
- /// Move-construct a basic_handle from another.
- /**
- * This constructor moves a handle from one object to another.
- *
- * @param other The other basic_handle object from which the move will occur.
- *
- * @note Following the move, the moved-from object is in the same state as if
- * constructed using the @c basic_handle(io_context&) constructor.
- */
- basic_handle(basic_handle&& other)
- : basic_io_object<HandleService>(
- ASIO_MOVE_CAST(basic_handle)(other))
- {
- }
-
- /// Move-assign a basic_handle from another.
- /**
- * This assignment operator moves a handle from one object to another.
- *
- * @param other The other basic_handle object from which the move will occur.
- *
- * @note Following the move, the moved-from object is in the same state as if
- * constructed using the @c basic_handle(io_context&) constructor.
- */
- basic_handle& operator=(basic_handle&& other)
- {
- basic_io_object<HandleService>::operator=(
- ASIO_MOVE_CAST(basic_handle)(other));
- return *this;
- }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
- /// Get a reference to the lowest layer.
- /**
- * This function returns a reference to the lowest layer in a stack of
- * layers. Since a basic_handle cannot contain any further layers, it simply
- * returns a reference to itself.
- *
- * @return A reference to the lowest layer in the stack of layers. Ownership
- * is not transferred to the caller.
- */
- lowest_layer_type& lowest_layer()
- {
- return *this;
- }
-
- /// Get a const reference to the lowest layer.
- /**
- * This function returns a const reference to the lowest layer in a stack of
- * layers. Since a basic_handle cannot contain any further layers, it simply
- * returns a reference to itself.
- *
- * @return A const reference to the lowest layer in the stack of layers.
- * Ownership is not transferred to the caller.
- */
- const lowest_layer_type& lowest_layer() const
- {
- return *this;
- }
-
- /// Assign an existing native handle to the handle.
- /*
- * This function opens the handle to hold an existing native handle.
- *
- * @param handle A native handle.
- *
- * @throws asio::system_error Thrown on failure.
- */
- void assign(const native_handle_type& handle)
- {
- asio::error_code ec;
- this->get_service().assign(this->get_implementation(), handle, ec);
- asio::detail::throw_error(ec, "assign");
- }
-
- /// Assign an existing native handle to the handle.
- /*
- * This function opens the handle to hold an existing native handle.
- *
- * @param handle A native handle.
- *
- * @param ec Set to indicate what error occurred, if any.
- */
- ASIO_SYNC_OP_VOID assign(const native_handle_type& handle,
- asio::error_code& ec)
- {
- this->get_service().assign(this->get_implementation(), handle, ec);
- ASIO_SYNC_OP_VOID_RETURN(ec);
- }
-
- /// Determine whether the handle is open.
- bool is_open() const
- {
- return this->get_service().is_open(this->get_implementation());
- }
-
- /// Close the handle.
- /**
- * This function is used to close the handle. Any asynchronous read or write
- * operations will be cancelled immediately, and will complete with the
- * asio::error::operation_aborted error.
- *
- * @throws asio::system_error Thrown on failure.
- */
- void close()
- {
- asio::error_code ec;
- this->get_service().close(this->get_implementation(), ec);
- asio::detail::throw_error(ec, "close");
- }
-
- /// Close the handle.
- /**
- * This function is used to close the handle. Any asynchronous read or write
- * operations will be cancelled immediately, and will complete with the
- * asio::error::operation_aborted error.
- *
- * @param ec Set to indicate what error occurred, if any.
- */
- ASIO_SYNC_OP_VOID close(asio::error_code& ec)
- {
- this->get_service().close(this->get_implementation(), ec);
- ASIO_SYNC_OP_VOID_RETURN(ec);
- }
-
- /// Get the native handle representation.
- /**
- * This function may be used to obtain the underlying representation of the
- * handle. This is intended to allow access to native handle functionality
- * that is not otherwise provided.
- */
- native_handle_type native_handle()
- {
- return this->get_service().native_handle(this->get_implementation());
- }
-
- /// Cancel all asynchronous operations associated with the handle.
- /**
- * This function causes all outstanding asynchronous read or write operations
- * to finish immediately, and the handlers for cancelled operations will be
- * passed the asio::error::operation_aborted error.
- *
- * @throws asio::system_error Thrown on failure.
- */
- void cancel()
- {
- asio::error_code ec;
- this->get_service().cancel(this->get_implementation(), ec);
- asio::detail::throw_error(ec, "cancel");
- }
-
- /// Cancel all asynchronous operations associated with the handle.
- /**
- * This function causes all outstanding asynchronous read or write operations
- * to finish immediately, and the handlers for cancelled operations will be
- * passed the asio::error::operation_aborted error.
- *
- * @param ec Set to indicate what error occurred, if any.
- */
- ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
- {
- this->get_service().cancel(this->get_implementation(), ec);
- ASIO_SYNC_OP_VOID_RETURN(ec);
- }
-
-protected:
- /// Protected destructor to prevent deletion through this type.
- ~basic_handle()
- {
- }
-};
-
-} // namespace windows
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE)
- // || defined(ASIO_HAS_WINDOWS_STREAM_HANDLE)
- // || defined(ASIO_HAS_WINDOWS_OBJECT_HANDLE)
- // || defined(GENERATING_DOCUMENTATION)
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_WINDOWS_BASIC_HANDLE_HPP
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