early-access version 3088

externals/vcpkg/packages/boost-asio_x64-windows/include/boost/asio/windows/basic_object_handle.hpp

@@ -0,0 +1,443 @@
+//
+// windows/basic_object_handle.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2022 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 BOOST_ASIO_WINDOWS_BASIC_OBJECT_HANDLE_HPP
+#define BOOST_ASIO_WINDOWS_BASIC_OBJECT_HANDLE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/config.hpp>
+
+#if defined(BOOST_ASIO_HAS_WINDOWS_OBJECT_HANDLE) \
+  || defined(GENERATING_DOCUMENTATION)
+
+#include <boost/asio/any_io_executor.hpp>
+#include <boost/asio/async_result.hpp>
+#include <boost/asio/detail/io_object_impl.hpp>
+#include <boost/asio/detail/throw_error.hpp>
+#include <boost/asio/detail/win_object_handle_service.hpp>
+#include <boost/asio/error.hpp>
+#include <boost/asio/execution_context.hpp>
+
+#if defined(BOOST_ASIO_HAS_MOVE)
+# include <utility>
+#endif // defined(BOOST_ASIO_HAS_MOVE)
+
+#include <boost/asio/detail/push_options.hpp>
+
+namespace boost {
+namespace asio {
+namespace windows {
+
+/// Provides object-oriented handle functionality.
+/**
+ * The windows::basic_object_handle class provides asynchronous and blocking
+ * object-oriented handle functionality.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+template <typename Executor = any_io_executor>
+class basic_object_handle
+{
+public:
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
+
+  /// Rebinds the handle type to another executor.
+  template <typename Executor1>
+  struct rebind_executor
+  {
+    /// The handle type when rebound to the specified executor.
+    typedef basic_object_handle<Executor1> other;
+  };
+
+  /// The native representation of a handle.
+#if defined(GENERATING_DOCUMENTATION)
+  typedef implementation_defined native_handle_type;
+#else
+  typedef boost::asio::detail::win_object_handle_service::native_handle_type
+    native_handle_type;
+#endif
+
+  /// An object handle is always the lowest layer.
+  typedef basic_object_handle lowest_layer_type;
+
+  /// Construct an object handle without opening it.
+  /**
+   * This constructor creates an object handle without opening it.
+   *
+   * @param ex The I/O executor that the object handle will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * object handle.
+   */
+  explicit basic_object_handle(const executor_type& ex)
+    : impl_(0, ex)
+  {
+  }
+
+  /// Construct an object handle without opening it.
+  /**
+   * This constructor creates an object handle without opening it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the object handle will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the object handle.
+   */
+  template <typename ExecutionContext>
+  explicit basic_object_handle(ExecutionContext& context,
+      typename constraint<
+        is_convertible<ExecutionContext&, execution_context&>::value,
+        defaulted_constraint
+      >::type = defaulted_constraint())
+    : impl_(0, 0, context)
+  {
+  }
+
+  /// Construct an object handle on an existing native handle.
+  /**
+   * This constructor creates an object handle object to hold an existing native
+   * handle.
+   *
+   * @param ex The I/O executor that the object handle will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * object handle.
+   *
+   * @param native_handle The new underlying handle implementation.
+   *
+   * @throws boost::system::system_error Thrown on failure.
+   */
+  basic_object_handle(const executor_type& ex,
+      const native_handle_type& native_handle)
+    : impl_(0, ex)
+  {
+    boost::system::error_code ec;
+    impl_.get_service().assign(impl_.get_implementation(), native_handle, ec);
+    boost::asio::detail::throw_error(ec, "assign");
+  }
+
+  /// Construct an object handle on an existing native handle.
+  /**
+   * This constructor creates an object handle object to hold an existing native
+   * handle.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the object handle will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the object handle.
+   *
+   * @param native_handle The new underlying handle implementation.
+   *
+   * @throws boost::system::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_object_handle(ExecutionContext& context,
+      const native_handle_type& native_handle,
+      typename constraint<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type = 0)
+    : impl_(0, 0, context)
+  {
+    boost::system::error_code ec;
+    impl_.get_service().assign(impl_.get_implementation(), native_handle, ec);
+    boost::asio::detail::throw_error(ec, "assign");
+  }
+
+#if defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+  /// Move-construct an object handle from another.
+  /**
+   * This constructor moves an object handle from one object to another.
+   *
+   * @param other The other object 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_object_handle(const executor_type&)
+   * constructor.
+   */
+  basic_object_handle(basic_object_handle&& other)
+    : impl_(std::move(other.impl_))
+  {
+  }
+
+  /// Move-assign an object handle from another.
+  /**
+   * This assignment operator moves an object handle from one object to another.
+   *
+   * @param other The other object 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_object_handle(const executor_type&)
+   * constructor.
+   */
+  basic_object_handle& operator=(basic_object_handle&& other)
+  {
+    impl_ = std::move(other.impl_);
+    return *this;
+  }
+#endif // defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+
+  /// Get the executor associated with the object.
+  executor_type get_executor() BOOST_ASIO_NOEXCEPT
+  {
+    return impl_.get_executor();
+  }
+
+  /// Get a reference to the lowest layer.
+  /**
+   * This function returns a reference to the lowest layer in a stack of
+   * layers. Since an object 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 an object 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 boost::system::system_error Thrown on failure.
+   */
+  void assign(const native_handle_type& handle)
+  {
+    boost::system::error_code ec;
+    impl_.get_service().assign(impl_.get_implementation(), handle, ec);
+    boost::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.
+   */
+  BOOST_ASIO_SYNC_OP_VOID assign(const native_handle_type& handle,
+      boost::system::error_code& ec)
+  {
+    impl_.get_service().assign(impl_.get_implementation(), handle, ec);
+    BOOST_ASIO_SYNC_OP_VOID_RETURN(ec);
+  }
+
+  /// Determine whether the handle is open.
+  bool is_open() const
+  {
+    return impl_.get_service().is_open(impl_.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
+   * boost::asio::error::operation_aborted error.
+   *
+   * @throws boost::system::system_error Thrown on failure.
+   */
+  void close()
+  {
+    boost::system::error_code ec;
+    impl_.get_service().close(impl_.get_implementation(), ec);
+    boost::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
+   * boost::asio::error::operation_aborted error.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   */
+  BOOST_ASIO_SYNC_OP_VOID close(boost::system::error_code& ec)
+  {
+    impl_.get_service().close(impl_.get_implementation(), ec);
+    BOOST_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 impl_.get_service().native_handle(impl_.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 boost::asio::error::operation_aborted error.
+   *
+   * @throws boost::system::system_error Thrown on failure.
+   */
+  void cancel()
+  {
+    boost::system::error_code ec;
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
+    boost::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 boost::asio::error::operation_aborted error.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   */
+  BOOST_ASIO_SYNC_OP_VOID cancel(boost::system::error_code& ec)
+  {
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
+    BOOST_ASIO_SYNC_OP_VOID_RETURN(ec);
+  }
+
+  /// Perform a blocking wait on the object handle.
+  /**
+   * This function is used to wait for the object handle to be set to the
+   * signalled state. This function blocks and does not return until the object
+   * handle has been set to the signalled state.
+   *
+   * @throws boost::system::system_error Thrown on failure.
+   */
+  void wait()
+  {
+    boost::system::error_code ec;
+    impl_.get_service().wait(impl_.get_implementation(), ec);
+    boost::asio::detail::throw_error(ec, "wait");
+  }
+
+  /// Perform a blocking wait on the object handle.
+  /**
+   * This function is used to wait for the object handle to be set to the
+   * signalled state. This function blocks and does not return until the object
+   * handle has been set to the signalled state.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   */
+  void wait(boost::system::error_code& ec)
+  {
+    impl_.get_service().wait(impl_.get_implementation(), ec);
+  }
+
+  /// Start an asynchronous wait on the object handle.
+  /**
+   * This function is be used to initiate an asynchronous wait against the
+   * object handle. It is an initiating function for an @ref
+   * asynchronous_operation, and always returns immediately.
+   *
+   * @param token The @ref completion_token that will be used to produce a
+   * completion handler, which will be called when the wait completes.
+   * Potential completion tokens include @ref use_future, @ref use_awaitable,
+   * @ref yield_context, or a function object with the correct completion
+   * signature. The function signature of the completion handler must be:
+   * @code void handler(
+   *   const boost::system::error_code& error // Result of operation.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the completion handler will not be invoked from within this function.
+   * On immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using boost::asio::post().
+   *
+   * @par Completion Signature
+   * @code void(boost::system::error_code) @endcode
+   */
+  template <
+      BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code))
+        WaitToken BOOST_ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
+  BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(WaitToken,
+      void (boost::system::error_code))
+  async_wait(
+      BOOST_ASIO_MOVE_ARG(WaitToken) token
+        BOOST_ASIO_DEFAULT_COMPLETION_TOKEN(executor_type))
+  {
+    return async_initiate<WaitToken, void (boost::system::error_code)>(
+        initiate_async_wait(this), token);
+  }
+
+private:
+  // Disallow copying and assignment.
+  basic_object_handle(const basic_object_handle&) BOOST_ASIO_DELETED;
+  basic_object_handle& operator=(const basic_object_handle&) BOOST_ASIO_DELETED;
+
+  class initiate_async_wait
+  {
+  public:
+    typedef Executor executor_type;
+
+    explicit initiate_async_wait(basic_object_handle* self)
+      : self_(self)
+    {
+    }
+
+    executor_type get_executor() const BOOST_ASIO_NOEXCEPT
+    {
+      return self_->get_executor();
+    }
+
+    template <typename WaitHandler>
+    void operator()(BOOST_ASIO_MOVE_ARG(WaitHandler) handler) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WaitHandler.
+      BOOST_ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check;
+
+      detail::non_const_lvalue<WaitHandler> handler2(handler);
+      self_->impl_.get_service().async_wait(
+          self_->impl_.get_implementation(),
+          handler2.value, self_->impl_.get_executor());
+    }
+
+  private:
+    basic_object_handle* self_;
+  };
+
+  boost::asio::detail::io_object_impl<
+    boost::asio::detail::win_object_handle_service, Executor> impl_;
+};
+
+} // namespace windows
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // defined(BOOST_ASIO_HAS_WINDOWS_OBJECT_HANDLE)
+       //   || defined(GENERATING_DOCUMENTATION)
+
+#endif // BOOST_ASIO_WINDOWS_BASIC_OBJECT_HANDLE_HPP

externals/vcpkg/packages/boost-asio_x64-windows/include/boost/asio/windows/basic_overlapped_handle.hpp

@@ -0,0 +1,363 @@
+//
+// windows/basic_overlapped_handle.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2022 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_WINDOWS_BASIC_OVERLAPPED_HANDLE_HPP
+#define BOOST_ASIO_WINDOWS_BASIC_OVERLAPPED_HANDLE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/config.hpp>
+
+#if defined(BOOST_ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE) \
+  || defined(BOOST_ASIO_HAS_WINDOWS_STREAM_HANDLE) \
+  || defined(GENERATING_DOCUMENTATION)
+
+#include <cstddef>
+#include <boost/asio/any_io_executor.hpp>
+#include <boost/asio/async_result.hpp>
+#include <boost/asio/detail/io_object_impl.hpp>
+#include <boost/asio/detail/throw_error.hpp>
+#include <boost/asio/detail/win_iocp_handle_service.hpp>
+#include <boost/asio/error.hpp>
+#include <boost/asio/execution_context.hpp>
+
+#if defined(BOOST_ASIO_HAS_MOVE)
+# include <utility>
+#endif // defined(BOOST_ASIO_HAS_MOVE)
+
+#include <boost/asio/detail/push_options.hpp>
+
+namespace boost {
+namespace asio {
+namespace windows {
+
+/// Provides Windows handle functionality for objects that support
+/// overlapped I/O.
+/**
+ * The windows::overlapped_handle class provides the ability to wrap a Windows
+ * handle. The underlying object referred to by the handle must support
+ * overlapped I/O.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+template <typename Executor = any_io_executor>
+class basic_overlapped_handle
+{
+public:
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
+
+  /// Rebinds the handle type to another executor.
+  template <typename Executor1>
+  struct rebind_executor
+  {
+    /// The handle type when rebound to the specified executor.
+    typedef basic_overlapped_handle<Executor1> other;
+  };
+
+  /// The native representation of a handle.
+#if defined(GENERATING_DOCUMENTATION)
+  typedef implementation_defined native_handle_type;
+#else
+  typedef boost::asio::detail::win_iocp_handle_service::native_handle_type
+    native_handle_type;
+#endif
+
+  /// An overlapped_handle is always the lowest layer.
+  typedef basic_overlapped_handle lowest_layer_type;
+
+  /// Construct an overlapped handle without opening it.
+  /**
+   * This constructor creates an overlapped handle without opening it.
+   *
+   * @param ex The I/O executor that the overlapped handle will use, by default,
+   * to dispatch handlers for any asynchronous operations performed on the
+   * overlapped handle.
+   */
+  explicit basic_overlapped_handle(const executor_type& ex)
+    : impl_(0, ex)
+  {
+  }
+
+  /// Construct an overlapped handle without opening it.
+  /**
+   * This constructor creates an overlapped handle without opening it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the overlapped handle will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the overlapped handle.
+   */
+  template <typename ExecutionContext>
+  explicit basic_overlapped_handle(ExecutionContext& context,
+      typename constraint<
+        is_convertible<ExecutionContext&, execution_context&>::value,
+        defaulted_constraint
+      >::type = defaulted_constraint())
+    : impl_(0, 0, context)
+  {
+  }
+
+  /// Construct an overlapped handle on an existing native handle.
+  /**
+   * This constructor creates an overlapped handle object to hold an existing
+   * native handle.
+   *
+   * @param ex The I/O executor that the overlapped handle will use, by default,
+   * to dispatch handlers for any asynchronous operations performed on the
+   * overlapped handle.
+   *
+   * @param native_handle The new underlying handle implementation.
+   *
+   * @throws boost::system::system_error Thrown on failure.
+   */
+  basic_overlapped_handle(const executor_type& ex,
+      const native_handle_type& native_handle)
+    : impl_(0, ex)
+  {
+    boost::system::error_code ec;
+    impl_.get_service().assign(impl_.get_implementation(), native_handle, ec);
+    boost::asio::detail::throw_error(ec, "assign");
+  }
+
+  /// Construct an overlapped handle on an existing native handle.
+  /**
+   * This constructor creates an overlapped handle object to hold an existing
+   * native handle.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the overlapped handle will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the overlapped handle.
+   *
+   * @param native_handle The new underlying handle implementation.
+   *
+   * @throws boost::system::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_overlapped_handle(ExecutionContext& context,
+      const native_handle_type& native_handle,
+      typename constraint<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type = 0)
+    : impl_(0, 0, context)
+  {
+    boost::system::error_code ec;
+    impl_.get_service().assign(impl_.get_implementation(), native_handle, ec);
+    boost::asio::detail::throw_error(ec, "assign");
+  }
+
+#if defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+  /// Move-construct an overlapped handle from another.
+  /**
+   * This constructor moves a handle from one object to another.
+   *
+   * @param other The other overlapped 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 overlapped_handle(const executor_type&)
+   * constructor.
+   */
+  basic_overlapped_handle(basic_overlapped_handle&& other)
+    : impl_(std::move(other.impl_))
+  {
+  }
+
+  /// Move-assign an overlapped handle from another.
+  /**
+   * This assignment operator moves a handle from one object to another.
+   *
+   * @param other The other overlapped 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 overlapped_handle(const executor_type&)
+   * constructor.
+   */
+  basic_overlapped_handle& operator=(basic_overlapped_handle&& other)
+  {
+    impl_ = std::move(other.impl_);
+    return *this;
+  }
+#endif // defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+
+  /// Get the executor associated with the object.
+  executor_type get_executor() BOOST_ASIO_NOEXCEPT
+  {
+    return impl_.get_executor();
+  }
+
+  /// Get a reference to the lowest layer.
+  /**
+   * This function returns a reference to the lowest layer in a stack of
+   * layers. Since an overlapped_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 an overlapped_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 boost::system::system_error Thrown on failure.
+   */
+  void assign(const native_handle_type& handle)
+  {
+    boost::system::error_code ec;
+    impl_.get_service().assign(impl_.get_implementation(), handle, ec);
+    boost::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.
+   */
+  BOOST_ASIO_SYNC_OP_VOID assign(const native_handle_type& handle,
+      boost::system::error_code& ec)
+  {
+    impl_.get_service().assign(impl_.get_implementation(), handle, ec);
+    BOOST_ASIO_SYNC_OP_VOID_RETURN(ec);
+  }
+
+  /// Determine whether the handle is open.
+  bool is_open() const
+  {
+    return impl_.get_service().is_open(impl_.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
+   * boost::asio::error::operation_aborted error.
+   *
+   * @throws boost::system::system_error Thrown on failure.
+   */
+  void close()
+  {
+    boost::system::error_code ec;
+    impl_.get_service().close(impl_.get_implementation(), ec);
+    boost::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
+   * boost::asio::error::operation_aborted error.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   */
+  BOOST_ASIO_SYNC_OP_VOID close(boost::system::error_code& ec)
+  {
+    impl_.get_service().close(impl_.get_implementation(), ec);
+    BOOST_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 impl_.get_service().native_handle(impl_.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 boost::asio::error::operation_aborted error.
+   *
+   * @throws boost::system::system_error Thrown on failure.
+   */
+  void cancel()
+  {
+    boost::system::error_code ec;
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
+    boost::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 boost::asio::error::operation_aborted error.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   */
+  BOOST_ASIO_SYNC_OP_VOID cancel(boost::system::error_code& ec)
+  {
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
+    BOOST_ASIO_SYNC_OP_VOID_RETURN(ec);
+  }
+
+protected:
+  /// Protected destructor to prevent deletion through this type.
+  /**
+   * This function destroys the handle, cancelling any outstanding asynchronous
+   * wait operations associated with the handle as if by calling @c cancel.
+   */
+  ~basic_overlapped_handle()
+  {
+  }
+
+  boost::asio::detail::io_object_impl<
+    boost::asio::detail::win_iocp_handle_service, Executor> impl_;
+
+private:
+  // Disallow copying and assignment.
+  basic_overlapped_handle(const basic_overlapped_handle&) BOOST_ASIO_DELETED;
+  basic_overlapped_handle& operator=(
+      const basic_overlapped_handle&) BOOST_ASIO_DELETED;
+};
+
+} // namespace windows
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // defined(BOOST_ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE)
+       //   || defined(BOOST_ASIO_HAS_WINDOWS_STREAM_HANDLE)
+       //   || defined(GENERATING_DOCUMENTATION)
+
+#endif // BOOST_ASIO_WINDOWS_BASIC_OVERLAPPED_HANDLE_HPP

externals/vcpkg/packages/boost-asio_x64-windows/include/boost/asio/windows/basic_random_access_handle.hpp

@@ -0,0 +1,524 @@
+//
+// windows/basic_random_access_handle.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2022 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_WINDOWS_BASIC_RANDOM_ACCESS_HANDLE_HPP
+#define BOOST_ASIO_WINDOWS_BASIC_RANDOM_ACCESS_HANDLE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/config.hpp>
+#include <boost/asio/windows/basic_overlapped_handle.hpp>
+
+#if defined(BOOST_ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE) \
+  || defined(GENERATING_DOCUMENTATION)
+
+#include <boost/asio/detail/push_options.hpp>
+
+namespace boost {
+namespace asio {
+namespace windows {
+
+/// Provides random-access handle functionality.
+/**
+ * The windows::basic_random_access_handle class provides asynchronous and
+ * blocking random-access handle functionality.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+template <typename Executor = any_io_executor>
+class basic_random_access_handle
+  : public basic_overlapped_handle<Executor>
+{
+public:
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
+
+  /// Rebinds the handle type to another executor.
+  template <typename Executor1>
+  struct rebind_executor
+  {
+    /// The handle type when rebound to the specified executor.
+    typedef basic_random_access_handle<Executor1> other;
+  };
+
+  /// The native representation of a handle.
+#if defined(GENERATING_DOCUMENTATION)
+  typedef implementation_defined native_handle_type;
+#else
+  typedef boost::asio::detail::win_iocp_handle_service::native_handle_type
+    native_handle_type;
+#endif
+
+  /// Construct a random-access handle without opening it.
+  /**
+   * This constructor creates a random-access handle without opening it.
+   *
+   * @param ex The I/O executor that the random-access handle will use, by
+   * default, to dispatch handlers for any asynchronous operations performed on
+   * the random-access handle.
+   */
+  explicit basic_random_access_handle(const executor_type& ex)
+    : basic_overlapped_handle<Executor>(ex)
+  {
+  }
+
+  /// Construct a random-access handle without opening it.
+  /**
+   * This constructor creates a random-access handle without opening it. The
+   * handle needs to be opened or assigned before data can be written to or read
+   * from it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the random-access handle will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the random-access handle.
+   */
+  template <typename ExecutionContext>
+  explicit basic_random_access_handle(ExecutionContext& context,
+      typename constraint<
+        is_convertible<ExecutionContext&, execution_context&>::value,
+        defaulted_constraint
+      >::type = defaulted_constraint())
+    : basic_overlapped_handle<Executor>(context)
+  {
+  }
+
+  /// Construct a random-access handle on an existing native handle.
+  /**
+   * This constructor creates a random-access handle object to hold an existing
+   * native handle.
+   *
+   * @param ex The I/O executor that the random-access handle will use, by
+   * default, to dispatch handlers for any asynchronous operations performed on
+   * the random-access handle.
+   *
+   * @param handle The new underlying handle implementation.
+   *
+   * @throws boost::system::system_error Thrown on failure.
+   */
+  basic_random_access_handle(const executor_type& ex,
+      const native_handle_type& handle)
+    : basic_overlapped_handle<Executor>(ex, handle)
+  {
+  }
+
+  /// Construct a random-access handle on an existing native handle.
+  /**
+   * This constructor creates a random-access handle object to hold an existing
+   * native handle.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the random-access handle will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the random-access handle.
+   *
+   * @param handle The new underlying handle implementation.
+   *
+   * @throws boost::system::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_random_access_handle(ExecutionContext& context,
+      const native_handle_type& handle,
+      typename constraint<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type = 0)
+    : basic_overlapped_handle<Executor>(context, handle)
+  {
+  }
+
+#if defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+  /// Move-construct a random-access handle from another.
+  /**
+   * This constructor moves a random-access handle from one object to another.
+   *
+   * @param other The other random-access 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_random_access_handle(const executor_type&)
+   * constructor.
+   */
+  basic_random_access_handle(basic_random_access_handle&& other)
+    : basic_overlapped_handle<Executor>(std::move(other))
+  {
+  }
+
+  /// Move-assign a random-access handle from another.
+  /**
+   * This assignment operator moves a random-access handle from one object to
+   * another.
+   *
+   * @param other The other random-access 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_random_access_handle(const executor_type&)
+   * constructor.
+   */
+  basic_random_access_handle& operator=(basic_random_access_handle&& other)
+  {
+    basic_overlapped_handle<Executor>::operator=(std::move(other));
+    return *this;
+  }
+#endif // defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+
+  /// Write some data to the handle at the specified offset.
+  /**
+   * This function is used to write data to the random-access handle. The
+   * function call will block until one or more bytes of the data has been
+   * written successfully, or until an error occurs.
+   *
+   * @param offset The offset at which the data will be written.
+   *
+   * @param buffers One or more data buffers to be written to the handle.
+   *
+   * @returns The number of bytes written.
+   *
+   * @throws boost::system::system_error Thrown on failure. An error code of
+   * boost::asio::error::eof indicates that the connection was closed by the
+   * peer.
+   *
+   * @note The write_some_at operation may not write all of the data. Consider
+   * using the @ref write_at function if you need to ensure that all data is
+   * written before the blocking operation completes.
+   *
+   * @par Example
+   * To write a single data buffer use the @ref buffer function as follows:
+   * @code
+   * handle.write_some_at(42, boost::asio::buffer(data, size));
+   * @endcode
+   * See the @ref buffer documentation for information on writing multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename ConstBufferSequence>
+  std::size_t write_some_at(uint64_t offset,
+      const ConstBufferSequence& buffers)
+  {
+    boost::system::error_code ec;
+    std::size_t s = this->impl_.get_service().write_some_at(
+        this->impl_.get_implementation(), offset, buffers, ec);
+    boost::asio::detail::throw_error(ec, "write_some_at");
+    return s;
+  }
+
+  /// Write some data to the handle at the specified offset.
+  /**
+   * This function is used to write data to the random-access handle. The
+   * function call will block until one or more bytes of the data has been
+   * written successfully, or until an error occurs.
+   *
+   * @param offset The offset at which the data will be written.
+   *
+   * @param buffers One or more data buffers to be written to the handle.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   *
+   * @returns The number of bytes written. Returns 0 if an error occurred.
+   *
+   * @note The write_some operation may not transmit all of the data to the
+   * peer. Consider using the @ref write_at function if you need to ensure that
+   * all data is written before the blocking operation completes.
+   */
+  template <typename ConstBufferSequence>
+  std::size_t write_some_at(uint64_t offset,
+      const ConstBufferSequence& buffers, boost::system::error_code& ec)
+  {
+    return this->impl_.get_service().write_some_at(
+        this->impl_.get_implementation(), offset, buffers, ec);
+  }
+
+  /// Start an asynchronous write at the specified offset.
+  /**
+   * This function is used to asynchronously write data to the random-access
+   * handle. It is an initiating function for an @ref asynchronous_operation,
+   * and always returns immediately.
+   *
+   * @param offset The offset at which the data will be written.
+   *
+   * @param buffers One or more data buffers to be written to the handle.
+   * Although the buffers object may be copied as necessary, ownership of the
+   * underlying memory blocks is retained by the caller, which must guarantee
+   * that they remain valid until the completion handler is called.
+   *
+   * @param token The @ref completion_token that will be used to produce a
+   * completion handler, which will be called when the write completes.
+   * Potential completion tokens include @ref use_future, @ref use_awaitable,
+   * @ref yield_context, or a function object with the correct completion
+   * signature. The function signature of the completion handler must be:
+   * @code void handler(
+   *   const boost::system::error_code& error, // Result of operation.
+   *   std::size_t bytes_transferred // Number of bytes written.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the completion handler will not be invoked from within this function.
+   * On immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using boost::asio::post().
+   *
+   * @par Completion Signature
+   * @code void(boost::system::error_code, std::size_t) @endcode
+   *
+   * @note The write operation may not transmit all of the data to the peer.
+   * Consider using the @ref async_write_at function if you need to ensure that
+   * all data is written before the asynchronous operation completes.
+   *
+   * @par Example
+   * To write a single data buffer use the @ref buffer function as follows:
+   * @code
+   * handle.async_write_some_at(42, boost::asio::buffer(data, size), handler);
+   * @endcode
+   * See the @ref buffer documentation for information on writing multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   *
+   * @par Per-Operation Cancellation
+   * This asynchronous operation supports cancellation for the following
+   * boost::asio::cancellation_type values:
+   *
+   * @li @c cancellation_type::terminal
+   *
+   * @li @c cancellation_type::partial
+   *
+   * @li @c cancellation_type::total
+   */
+  template <typename ConstBufferSequence,
+      BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
+        std::size_t)) WriteToken
+          BOOST_ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
+  BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(WriteToken,
+      void (boost::system::error_code, std::size_t))
+  async_write_some_at(uint64_t offset,
+      const ConstBufferSequence& buffers,
+      BOOST_ASIO_MOVE_ARG(WriteToken) token
+        BOOST_ASIO_DEFAULT_COMPLETION_TOKEN(executor_type))
+  {
+    return async_initiate<WriteToken,
+      void (boost::system::error_code, std::size_t)>(
+        initiate_async_write_some_at(this), token, offset, buffers);
+  }
+
+  /// Read some data from the handle at the specified offset.
+  /**
+   * This function is used to read data from the random-access handle. The
+   * function call will block until one or more bytes of data has been read
+   * successfully, or until an error occurs.
+   *
+   * @param offset The offset at which the data will be read.
+   *
+   * @param buffers One or more buffers into which the data will be read.
+   *
+   * @returns The number of bytes read.
+   *
+   * @throws boost::system::system_error Thrown on failure. An error code of
+   * boost::asio::error::eof indicates that the connection was closed by the
+   * peer.
+   *
+   * @note The read_some operation may not read all of the requested number of
+   * bytes. Consider using the @ref read_at function if you need to ensure that
+   * the requested amount of data is read before the blocking operation
+   * completes.
+   *
+   * @par Example
+   * To read into a single data buffer use the @ref buffer function as follows:
+   * @code
+   * handle.read_some_at(42, boost::asio::buffer(data, size));
+   * @endcode
+   * See the @ref buffer documentation for information on reading into multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename MutableBufferSequence>
+  std::size_t read_some_at(uint64_t offset,
+      const MutableBufferSequence& buffers)
+  {
+    boost::system::error_code ec;
+    std::size_t s = this->impl_.get_service().read_some_at(
+        this->impl_.get_implementation(), offset, buffers, ec);
+    boost::asio::detail::throw_error(ec, "read_some_at");
+    return s;
+  }
+
+  /// Read some data from the handle at the specified offset.
+  /**
+   * This function is used to read data from the random-access handle. The
+   * function call will block until one or more bytes of data has been read
+   * successfully, or until an error occurs.
+   *
+   * @param offset The offset at which the data will be read.
+   *
+   * @param buffers One or more buffers into which the data will be read.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   *
+   * @returns The number of bytes read. Returns 0 if an error occurred.
+   *
+   * @note The read_some operation may not read all of the requested number of
+   * bytes. Consider using the @ref read_at function if you need to ensure that
+   * the requested amount of data is read before the blocking operation
+   * completes.
+   */
+  template <typename MutableBufferSequence>
+  std::size_t read_some_at(uint64_t offset,
+      const MutableBufferSequence& buffers, boost::system::error_code& ec)
+  {
+    return this->impl_.get_service().read_some_at(
+        this->impl_.get_implementation(), offset, buffers, ec);
+  }
+
+  /// Start an asynchronous read at the specified offset.
+  /**
+   * This function is used to asynchronously read data from the random-access
+   * handle. It is an initiating function for an @ref asynchronous_operation,
+   * and always returns immediately.
+   *
+   * @param offset The offset at which the data will be read.
+   *
+   * @param buffers One or more buffers into which the data will be read.
+   * Although the buffers object may be copied as necessary, ownership of the
+   * underlying memory blocks is retained by the caller, which must guarantee
+   * that they remain valid until the completion handler is called.
+   *
+   * @param token The @ref completion_token that will be used to produce a
+   * completion handler, which will be called when the read completes.
+   * Potential completion tokens include @ref use_future, @ref use_awaitable,
+   * @ref yield_context, or a function object with the correct completion
+   * signature. The function signature of the completion handler must be:
+   * @code void handler(
+   *   const boost::system::error_code& error, // Result of operation.
+   *   std::size_t bytes_transferred // Number of bytes read.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the completion handler will not be invoked from within this function.
+   * On immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using boost::asio::post().
+   *
+   * @par Completion Signature
+   * @code void(boost::system::error_code, std::size_t) @endcode
+   *
+   * @note The read operation may not read all of the requested number of bytes.
+   * Consider using the @ref async_read_at function if you need to ensure that
+   * the requested amount of data is read before the asynchronous operation
+   * completes.
+   *
+   * @par Example
+   * To read into a single data buffer use the @ref buffer function as follows:
+   * @code
+   * handle.async_read_some_at(42, boost::asio::buffer(data, size), handler);
+   * @endcode
+   * See the @ref buffer documentation for information on reading into multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   *
+   * @par Per-Operation Cancellation
+   * This asynchronous operation supports cancellation for the following
+   * boost::asio::cancellation_type values:
+   *
+   * @li @c cancellation_type::terminal
+   *
+   * @li @c cancellation_type::partial
+   *
+   * @li @c cancellation_type::total
+   */
+  template <typename MutableBufferSequence,
+      BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
+        std::size_t)) ReadToken
+          BOOST_ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
+  BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(ReadToken,
+      void (boost::system::error_code, std::size_t))
+  async_read_some_at(uint64_t offset,
+      const MutableBufferSequence& buffers,
+      BOOST_ASIO_MOVE_ARG(ReadToken) token
+        BOOST_ASIO_DEFAULT_COMPLETION_TOKEN(executor_type))
+  {
+    return async_initiate<ReadToken,
+      void (boost::system::error_code, std::size_t)>(
+        initiate_async_read_some_at(this), token, offset, buffers);
+  }
+
+private:
+  class initiate_async_write_some_at
+  {
+  public:
+    typedef Executor executor_type;
+
+    explicit initiate_async_write_some_at(basic_random_access_handle* self)
+      : self_(self)
+    {
+    }
+
+    executor_type get_executor() const BOOST_ASIO_NOEXCEPT
+    {
+      return self_->get_executor();
+    }
+
+    template <typename WriteHandler, typename ConstBufferSequence>
+    void operator()(BOOST_ASIO_MOVE_ARG(WriteHandler) handler,
+        uint64_t offset, const ConstBufferSequence& buffers) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      BOOST_ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      detail::non_const_lvalue<WriteHandler> handler2(handler);
+      self_->impl_.get_service().async_write_some_at(
+          self_->impl_.get_implementation(), offset, buffers,
+          handler2.value, self_->impl_.get_executor());
+    }
+
+  private:
+    basic_random_access_handle* self_;
+  };
+
+  class initiate_async_read_some_at
+  {
+  public:
+    typedef Executor executor_type;
+
+    explicit initiate_async_read_some_at(basic_random_access_handle* self)
+      : self_(self)
+    {
+    }
+
+    executor_type get_executor() const BOOST_ASIO_NOEXCEPT
+    {
+      return self_->get_executor();
+    }
+
+    template <typename ReadHandler, typename MutableBufferSequence>
+    void operator()(BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
+        uint64_t offset, const MutableBufferSequence& buffers) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      detail::non_const_lvalue<ReadHandler> handler2(handler);
+      self_->impl_.get_service().async_read_some_at(
+          self_->impl_.get_implementation(), offset, buffers,
+          handler2.value, self_->impl_.get_executor());
+    }
+
+  private:
+    basic_random_access_handle* self_;
+  };
+};
+
+} // namespace windows
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // defined(BOOST_ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE)
+       //   || defined(GENERATING_DOCUMENTATION)
+
+#endif // BOOST_ASIO_WINDOWS_BASIC_RANDOM_ACCESS_HANDLE_HPP

externals/vcpkg/packages/boost-asio_x64-windows/include/boost/asio/windows/basic_stream_handle.hpp

@@ -0,0 +1,509 @@
+//
+// windows/basic_stream_handle.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2022 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_WINDOWS_BASIC_STREAM_HANDLE_HPP
+#define BOOST_ASIO_WINDOWS_BASIC_STREAM_HANDLE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/config.hpp>
+#include <boost/asio/windows/basic_overlapped_handle.hpp>
+
+#if defined(BOOST_ASIO_HAS_WINDOWS_STREAM_HANDLE) \
+  || defined(GENERATING_DOCUMENTATION)
+
+#include <boost/asio/detail/push_options.hpp>
+
+namespace boost {
+namespace asio {
+namespace windows {
+
+/// Provides stream-oriented handle functionality.
+/**
+ * The windows::basic_stream_handle class provides asynchronous and blocking
+ * stream-oriented handle functionality.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ *
+ * @par Concepts:
+ * AsyncReadStream, AsyncWriteStream, Stream, SyncReadStream, SyncWriteStream.
+ */
+template <typename Executor = any_io_executor>
+class basic_stream_handle
+  : public basic_overlapped_handle<Executor>
+{
+public:
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
+
+  /// Rebinds the handle type to another executor.
+  template <typename Executor1>
+  struct rebind_executor
+  {
+    /// The handle type when rebound to the specified executor.
+    typedef basic_stream_handle<Executor1> other;
+  };
+
+  /// The native representation of a handle.
+#if defined(GENERATING_DOCUMENTATION)
+  typedef implementation_defined native_handle_type;
+#else
+  typedef boost::asio::detail::win_iocp_handle_service::native_handle_type
+    native_handle_type;
+#endif
+
+  /// Construct a stream handle without opening it.
+  /**
+   * This constructor creates a stream handle without opening it.
+   *
+   * @param ex The I/O executor that the stream handle will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the stream
+   * handle.
+   */
+  explicit basic_stream_handle(const executor_type& ex)
+    : basic_overlapped_handle<Executor>(ex)
+  {
+  }
+
+  /// Construct a stream handle without opening it.
+  /**
+   * This constructor creates a stream handle without opening it. The handle
+   * needs to be opened or assigned before data can be written to or read from
+   * it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the stream handle will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the stream handle.
+   */
+  template <typename ExecutionContext>
+  explicit basic_stream_handle(ExecutionContext& context,
+      typename constraint<
+        is_convertible<ExecutionContext&, execution_context&>::value,
+        defaulted_constraint
+      >::type = defaulted_constraint())
+    : basic_overlapped_handle<Executor>(context)
+  {
+  }
+
+  /// Construct a stream handle on an existing native handle.
+  /**
+   * This constructor creates a stream handle object to hold an existing native
+   * handle.
+   *
+   * @param ex The I/O executor that the stream handle will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the stream
+   * handle.
+   *
+   * @param handle The new underlying handle implementation.
+   *
+   * @throws boost::system::system_error Thrown on failure.
+   */
+  basic_stream_handle(const executor_type& ex, const native_handle_type& handle)
+    : basic_overlapped_handle<Executor>(ex, handle)
+  {
+  }
+
+  /// Construct a stream handle on an existing native handle.
+  /**
+   * This constructor creates a stream handle object to hold an existing native
+   * handle.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the stream handle will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the stream handle.
+   *
+   * @param handle The new underlying handle implementation.
+   *
+   * @throws boost::system::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_stream_handle(ExecutionContext& context,
+      const native_handle_type& handle,
+      typename constraint<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type = 0)
+    : basic_overlapped_handle<Executor>(context, handle)
+  {
+  }
+
+#if defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+  /// Move-construct a stream handle from another.
+  /**
+   * This constructor moves a stream handle from one object to another.
+   *
+   * @param other The other stream 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_stream_handle(const executor_type&)
+   * constructor.
+   */
+  basic_stream_handle(basic_stream_handle&& other)
+    : basic_overlapped_handle<Executor>(std::move(other))
+  {
+  }
+
+  /// Move-assign a stream handle from another.
+  /**
+   * This assignment operator moves a stream handle from one object to
+   * another.
+   *
+   * @param other The other stream 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_stream_handle(const executor_type&)
+   * constructor.
+   */
+  basic_stream_handle& operator=(basic_stream_handle&& other)
+  {
+    basic_overlapped_handle<Executor>::operator=(std::move(other));
+    return *this;
+  }
+#endif // defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+
+  /// Write some data to the handle.
+  /**
+   * This function is used to write data to the stream handle. The function call
+   * will block until one or more bytes of the data has been written
+   * successfully, or until an error occurs.
+   *
+   * @param buffers One or more data buffers to be written to the handle.
+   *
+   * @returns The number of bytes written.
+   *
+   * @throws boost::system::system_error Thrown on failure. An error code of
+   * boost::asio::error::eof indicates that the connection was closed by the
+   * peer.
+   *
+   * @note The write_some operation may not transmit all of the data to the
+   * peer. Consider using the @ref write function if you need to ensure that
+   * all data is written before the blocking operation completes.
+   *
+   * @par Example
+   * To write a single data buffer use the @ref buffer function as follows:
+   * @code
+   * handle.write_some(boost::asio::buffer(data, size));
+   * @endcode
+   * See the @ref buffer documentation for information on writing multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename ConstBufferSequence>
+  std::size_t write_some(const ConstBufferSequence& buffers)
+  {
+    boost::system::error_code ec;
+    std::size_t s = this->impl_.get_service().write_some(
+        this->impl_.get_implementation(), buffers, ec);
+    boost::asio::detail::throw_error(ec, "write_some");
+    return s;
+  }
+
+  /// Write some data to the handle.
+  /**
+   * This function is used to write data to the stream handle. The function call
+   * will block until one or more bytes of the data has been written
+   * successfully, or until an error occurs.
+   *
+   * @param buffers One or more data buffers to be written to the handle.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   *
+   * @returns The number of bytes written. Returns 0 if an error occurred.
+   *
+   * @note The write_some operation may not transmit all of the data to the
+   * peer. Consider using the @ref write function if you need to ensure that
+   * all data is written before the blocking operation completes.
+   */
+  template <typename ConstBufferSequence>
+  std::size_t write_some(const ConstBufferSequence& buffers,
+      boost::system::error_code& ec)
+  {
+    return this->impl_.get_service().write_some(
+        this->impl_.get_implementation(), buffers, ec);
+  }
+
+  /// Start an asynchronous write.
+  /**
+   * This function is used to asynchronously write data to the stream handle.
+   * It is an initiating function for an @ref asynchronous_operation, and always
+   * returns immediately.
+   *
+   * @param buffers One or more data buffers to be written to the handle.
+   * Although the buffers object may be copied as necessary, ownership of the
+   * underlying memory blocks is retained by the caller, which must guarantee
+   * that they remain valid until the completion handler is called.
+   *
+   * @param token The @ref completion_token that will be used to produce a
+   * completion handler, which will be called when the write completes.
+   * Potential completion tokens include @ref use_future, @ref use_awaitable,
+   * @ref yield_context, or a function object with the correct completion
+   * signature. The function signature of the completion handler must be:
+   * @code void handler(
+   *   const boost::system::error_code& error, // Result of operation.
+   *   std::size_t bytes_transferred // Number of bytes written.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the completion handler will not be invoked from within this function.
+   * On immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using boost::asio::post().
+   *
+   * @par Completion Signature
+   * @code void(boost::system::error_code, std::size_t) @endcode
+   *
+   * @note The write operation may not transmit all of the data to the peer.
+   * Consider using the @ref async_write function if you need to ensure that all
+   * data is written before the asynchronous operation completes.
+   *
+   * @par Example
+   * To write a single data buffer use the @ref buffer function as follows:
+   * @code
+   * handle.async_write_some(boost::asio::buffer(data, size), handler);
+   * @endcode
+   * See the @ref buffer documentation for information on writing multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   *
+   * @par Per-Operation Cancellation
+   * This asynchronous operation supports cancellation for the following
+   * boost::asio::cancellation_type values:
+   *
+   * @li @c cancellation_type::terminal
+   *
+   * @li @c cancellation_type::partial
+   *
+   * @li @c cancellation_type::total
+   */
+  template <typename ConstBufferSequence,
+      BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
+        std::size_t)) WriteToken
+          BOOST_ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
+  BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(WriteToken,
+      void (boost::system::error_code, std::size_t))
+  async_write_some(const ConstBufferSequence& buffers,
+      BOOST_ASIO_MOVE_ARG(WriteToken) token
+        BOOST_ASIO_DEFAULT_COMPLETION_TOKEN(executor_type))
+  {
+    return async_initiate<WriteToken,
+      void (boost::system::error_code, std::size_t)>(
+        initiate_async_write_some(this), token, buffers);
+  }
+
+  /// Read some data from the handle.
+  /**
+   * This function is used to read data from the stream handle. The function
+   * call will block until one or more bytes of data has been read successfully,
+   * or until an error occurs.
+   *
+   * @param buffers One or more buffers into which the data will be read.
+   *
+   * @returns The number of bytes read.
+   *
+   * @throws boost::system::system_error Thrown on failure. An error code of
+   * boost::asio::error::eof indicates that the connection was closed by the
+   * peer.
+   *
+   * @note The read_some operation may not read all of the requested number of
+   * bytes. Consider using the @ref read function if you need to ensure that
+   * the requested amount of data is read before the blocking operation
+   * completes.
+   *
+   * @par Example
+   * To read into a single data buffer use the @ref buffer function as follows:
+   * @code
+   * handle.read_some(boost::asio::buffer(data, size));
+   * @endcode
+   * See the @ref buffer documentation for information on reading into multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename MutableBufferSequence>
+  std::size_t read_some(const MutableBufferSequence& buffers)
+  {
+    boost::system::error_code ec;
+    std::size_t s = this->impl_.get_service().read_some(
+        this->impl_.get_implementation(), buffers, ec);
+    boost::asio::detail::throw_error(ec, "read_some");
+    return s;
+  }
+
+  /// Read some data from the handle.
+  /**
+   * This function is used to read data from the stream handle. The function
+   * call will block until one or more bytes of data has been read successfully,
+   * or until an error occurs.
+   *
+   * @param buffers One or more buffers into which the data will be read.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   *
+   * @returns The number of bytes read. Returns 0 if an error occurred.
+   *
+   * @note The read_some operation may not read all of the requested number of
+   * bytes. Consider using the @ref read function if you need to ensure that
+   * the requested amount of data is read before the blocking operation
+   * completes.
+   */
+  template <typename MutableBufferSequence>
+  std::size_t read_some(const MutableBufferSequence& buffers,
+      boost::system::error_code& ec)
+  {
+    return this->impl_.get_service().read_some(
+        this->impl_.get_implementation(), buffers, ec);
+  }
+
+  /// Start an asynchronous read.
+  /**
+   * This function is used to asynchronously read data from the stream handle.
+   * It is an initiating function for an @ref asynchronous_operation, and always
+   * returns immediately.
+   *
+   * @param buffers One or more buffers into which the data will be read.
+   * Although the buffers object may be copied as necessary, ownership of the
+   * underlying memory blocks is retained by the caller, which must guarantee
+   * that they remain valid until the completion handler is called.
+   *
+   * @param token The @ref completion_token that will be used to produce a
+   * completion handler, which will be called when the read completes.
+   * Potential completion tokens include @ref use_future, @ref use_awaitable,
+   * @ref yield_context, or a function object with the correct completion
+   * signature. The function signature of the completion handler must be:
+   * @code void handler(
+   *   const boost::system::error_code& error, // Result of operation.
+   *   std::size_t bytes_transferred // Number of bytes read.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the completion handler will not be invoked from within this function.
+   * On immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using boost::asio::post().
+   *
+   * @par Completion Signature
+   * @code void(boost::system::error_code, std::size_t) @endcode
+   *
+   * @note The read operation may not read all of the requested number of bytes.
+   * Consider using the @ref async_read function if you need to ensure that the
+   * requested amount of data is read before the asynchronous operation
+   * completes.
+   *
+   * @par Example
+   * To read into a single data buffer use the @ref buffer function as follows:
+   * @code
+   * handle.async_read_some(boost::asio::buffer(data, size), handler);
+   * @endcode
+   * See the @ref buffer documentation for information on reading into multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   *
+   * @par Per-Operation Cancellation
+   * This asynchronous operation supports cancellation for the following
+   * boost::asio::cancellation_type values:
+   *
+   * @li @c cancellation_type::terminal
+   *
+   * @li @c cancellation_type::partial
+   *
+   * @li @c cancellation_type::total
+   */
+  template <typename MutableBufferSequence,
+      BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
+        std::size_t)) ReadToken
+          BOOST_ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
+  BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(ReadToken,
+      void (boost::system::error_code, std::size_t))
+  async_read_some(const MutableBufferSequence& buffers,
+      BOOST_ASIO_MOVE_ARG(ReadToken) token
+        BOOST_ASIO_DEFAULT_COMPLETION_TOKEN(executor_type))
+  {
+    return async_initiate<ReadToken,
+      void (boost::system::error_code, std::size_t)>(
+        initiate_async_read_some(this), token, buffers);
+  }
+
+private:
+  class initiate_async_write_some
+  {
+  public:
+    typedef Executor executor_type;
+
+    explicit initiate_async_write_some(basic_stream_handle* self)
+      : self_(self)
+    {
+    }
+
+    executor_type get_executor() const BOOST_ASIO_NOEXCEPT
+    {
+      return self_->get_executor();
+    }
+
+    template <typename WriteHandler, typename ConstBufferSequence>
+    void operator()(BOOST_ASIO_MOVE_ARG(WriteHandler) handler,
+        const ConstBufferSequence& buffers) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      BOOST_ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      detail::non_const_lvalue<WriteHandler> handler2(handler);
+      self_->impl_.get_service().async_write_some(
+          self_->impl_.get_implementation(), buffers,
+          handler2.value, self_->impl_.get_executor());
+    }
+
+  private:
+    basic_stream_handle* self_;
+  };
+
+  class initiate_async_read_some
+  {
+  public:
+    typedef Executor executor_type;
+
+    explicit initiate_async_read_some(basic_stream_handle* self)
+      : self_(self)
+    {
+    }
+
+    executor_type get_executor() const BOOST_ASIO_NOEXCEPT
+    {
+      return self_->get_executor();
+    }
+
+    template <typename ReadHandler, typename MutableBufferSequence>
+    void operator()(BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
+        const MutableBufferSequence& buffers) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      detail::non_const_lvalue<ReadHandler> handler2(handler);
+      self_->impl_.get_service().async_read_some(
+          self_->impl_.get_implementation(), buffers,
+          handler2.value, self_->impl_.get_executor());
+    }
+
+  private:
+    basic_stream_handle* self_;
+  };
+};
+
+} // namespace windows
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // defined(BOOST_ASIO_HAS_WINDOWS_STREAM_HANDLE)
+       //   || defined(GENERATING_DOCUMENTATION)
+
+#endif // BOOST_ASIO_WINDOWS_BASIC_STREAM_HANDLE_HPP

externals/vcpkg/packages/boost-asio_x64-windows/include/boost/asio/windows/object_handle.hpp

@@ -0,0 +1,40 @@
+//
+// windows/object_handle.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2022 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 BOOST_ASIO_WINDOWS_OBJECT_HANDLE_HPP
+#define BOOST_ASIO_WINDOWS_OBJECT_HANDLE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/config.hpp>
+
+#if defined(BOOST_ASIO_HAS_WINDOWS_OBJECT_HANDLE) \
+  || defined(GENERATING_DOCUMENTATION)
+
+#include <boost/asio/windows/basic_object_handle.hpp>
+
+namespace boost {
+namespace asio {
+namespace windows {
+
+/// Typedef for the typical usage of an object handle.
+typedef basic_object_handle<> object_handle;
+
+} // namespace windows
+} // namespace asio
+} // namespace boost
+
+#endif // defined(BOOST_ASIO_HAS_WINDOWS_OBJECT_HANDLE)
+       //   || defined(GENERATING_DOCUMENTATION)
+
+#endif // BOOST_ASIO_WINDOWS_OBJECT_HANDLE_HPP

externals/vcpkg/packages/boost-asio_x64-windows/include/boost/asio/windows/overlapped_handle.hpp

@@ -0,0 +1,41 @@
+//
+// windows/overlapped_handle.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2022 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_WINDOWS_OVERLAPPED_HANDLE_HPP
+#define BOOST_ASIO_WINDOWS_OVERLAPPED_HANDLE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/config.hpp>
+
+#if defined(BOOST_ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE) \
+  || defined(BOOST_ASIO_HAS_WINDOWS_STREAM_HANDLE) \
+  || defined(GENERATING_DOCUMENTATION)
+
+#include <boost/asio/windows/basic_overlapped_handle.hpp>
+
+namespace boost {
+namespace asio {
+namespace windows {
+
+/// Typedef for the typical usage of an overlapped handle.
+typedef basic_overlapped_handle<> overlapped_handle;
+
+} // namespace windows
+} // namespace asio
+} // namespace boost
+
+#endif // defined(BOOST_ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE)
+       //   || defined(BOOST_ASIO_HAS_WINDOWS_STREAM_HANDLE)
+       //   || defined(GENERATING_DOCUMENTATION)
+
+#endif // BOOST_ASIO_WINDOWS_OVERLAPPED_HANDLE_HPP

externals/vcpkg/packages/boost-asio_x64-windows/include/boost/asio/windows/overlapped_ptr.hpp

@@ -0,0 +1,147 @@
+//
+// windows/overlapped_ptr.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2022 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_WINDOWS_OVERLAPPED_PTR_HPP
+#define BOOST_ASIO_WINDOWS_OVERLAPPED_PTR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/config.hpp>
+
+#if defined(BOOST_ASIO_HAS_WINDOWS_OVERLAPPED_PTR) \
+  || defined(GENERATING_DOCUMENTATION)
+
+#include <boost/asio/detail/noncopyable.hpp>
+#include <boost/asio/detail/win_iocp_overlapped_ptr.hpp>
+#include <boost/asio/io_context.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+
+namespace boost {
+namespace asio {
+namespace windows {
+
+/// Wraps a handler to create an OVERLAPPED object for use with overlapped I/O.
+/**
+ * A special-purpose smart pointer used to wrap an application handler so that
+ * it can be passed as the LPOVERLAPPED argument to overlapped I/O functions.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+class overlapped_ptr
+  : private noncopyable
+{
+public:
+  /// Construct an empty overlapped_ptr.
+  overlapped_ptr()
+    : impl_()
+  {
+  }
+
+  /// Construct an overlapped_ptr to contain the specified handler.
+  template <typename ExecutionContext, typename Handler>
+  explicit overlapped_ptr(ExecutionContext& context,
+      BOOST_ASIO_MOVE_ARG(Handler) handler,
+      typename constraint<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type = 0)
+    : impl_(context.get_executor(), BOOST_ASIO_MOVE_CAST(Handler)(handler))
+  {
+  }
+
+  /// Construct an overlapped_ptr to contain the specified handler.
+  template <typename Executor, typename Handler>
+  explicit overlapped_ptr(const Executor& ex,
+      BOOST_ASIO_MOVE_ARG(Handler) handler,
+      typename constraint<
+        execution::is_executor<Executor>::value
+          || is_executor<Executor>::value
+      >::type = 0)
+    : impl_(ex, BOOST_ASIO_MOVE_CAST(Handler)(handler))
+  {
+  }
+
+  /// Destructor automatically frees the OVERLAPPED object unless released.
+  ~overlapped_ptr()
+  {
+  }
+
+  /// Reset to empty.
+  void reset()
+  {
+    impl_.reset();
+  }
+
+  /// Reset to contain the specified handler, freeing any current OVERLAPPED
+  /// object.
+  template <typename ExecutionContext, typename Handler>
+  void reset(ExecutionContext& context, BOOST_ASIO_MOVE_ARG(Handler) handler,
+      typename constraint<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type = 0)
+  {
+    impl_.reset(context.get_executor(), BOOST_ASIO_MOVE_CAST(Handler)(handler));
+  }
+
+  /// Reset to contain the specified handler, freeing any current OVERLAPPED
+  /// object.
+  template <typename Executor, typename Handler>
+  void reset(const Executor& ex, BOOST_ASIO_MOVE_ARG(Handler) handler,
+      typename constraint<
+        execution::is_executor<Executor>::value
+          || is_executor<Executor>::value
+      >::type = 0)
+  {
+    impl_.reset(ex, BOOST_ASIO_MOVE_CAST(Handler)(handler));
+  }
+
+  /// Get the contained OVERLAPPED object.
+  OVERLAPPED* get()
+  {
+    return impl_.get();
+  }
+
+  /// Get the contained OVERLAPPED object.
+  const OVERLAPPED* get() const
+  {
+    return impl_.get();
+  }
+
+  /// Release ownership of the OVERLAPPED object.
+  OVERLAPPED* release()
+  {
+    return impl_.release();
+  }
+
+  /// Post completion notification for overlapped operation. Releases ownership.
+  void complete(const boost::system::error_code& ec,
+      std::size_t bytes_transferred)
+  {
+    impl_.complete(ec, bytes_transferred);
+  }
+
+private:
+  detail::win_iocp_overlapped_ptr impl_;
+};
+
+} // namespace windows
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // defined(BOOST_ASIO_HAS_WINDOWS_OVERLAPPED_PTR)
+       //   || defined(GENERATING_DOCUMENTATION)
+
+#endif // BOOST_ASIO_WINDOWS_OVERLAPPED_PTR_HPP

externals/vcpkg/packages/boost-asio_x64-windows/include/boost/asio/windows/random_access_handle.hpp

@@ -0,0 +1,39 @@
+//
+// windows/random_access_handle.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2022 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_WINDOWS_RANDOM_ACCESS_HANDLE_HPP
+#define BOOST_ASIO_WINDOWS_RANDOM_ACCESS_HANDLE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/config.hpp>
+
+#if defined(BOOST_ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE) \
+  || defined(GENERATING_DOCUMENTATION)
+
+#include <boost/asio/windows/basic_random_access_handle.hpp>
+
+namespace boost {
+namespace asio {
+namespace windows {
+
+/// Typedef for the typical usage of a random-access handle.
+typedef basic_random_access_handle<> random_access_handle;
+
+} // namespace windows
+} // namespace asio
+} // namespace boost
+
+#endif // defined(BOOST_ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE)
+       //   || defined(GENERATING_DOCUMENTATION)
+
+#endif // BOOST_ASIO_WINDOWS_RANDOM_ACCESS_HANDLE_HPP

externals/vcpkg/packages/boost-asio_x64-windows/include/boost/asio/windows/stream_handle.hpp

@@ -0,0 +1,39 @@
+//
+// windows/stream_handle.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2022 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_WINDOWS_STREAM_HANDLE_HPP
+#define BOOST_ASIO_WINDOWS_STREAM_HANDLE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/config.hpp>
+
+#if defined(BOOST_ASIO_HAS_WINDOWS_STREAM_HANDLE) \
+  || defined(GENERATING_DOCUMENTATION)
+
+#include <boost/asio/windows/basic_stream_handle.hpp>
+
+namespace boost {
+namespace asio {
+namespace windows {
+
+/// Typedef for the typical usage of a stream-oriented handle.
+typedef basic_stream_handle<> stream_handle;
+
+} // namespace windows
+} // namespace asio
+} // namespace boost
+
+#endif // defined(BOOST_ASIO_HAS_WINDOWS_STREAM_HANDLE)
+       //   || defined(GENERATING_DOCUMENTATION)
+
+#endif // BOOST_ASIO_WINDOWS_STREAM_HANDLE_HPP