update boost on linux

linx64/include/boost/asio/basic_serial_port.hpp

@@ -2,7 +2,7 @@
 // basic_serial_port.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -22,12 +22,25 @@
   || defined(GENERATING_DOCUMENTATION)
 
 #include <string>
-#include <boost/asio/basic_io_object.hpp>
+#include <boost/asio/async_result.hpp>
 #include <boost/asio/detail/handler_type_requirements.hpp>
+#include <boost/asio/detail/io_object_impl.hpp>
+#include <boost/asio/detail/non_const_lvalue.hpp>
 #include <boost/asio/detail/throw_error.hpp>
+#include <boost/asio/detail/type_traits.hpp>
 #include <boost/asio/error.hpp>
+#include <boost/asio/execution_context.hpp>
+#include <boost/asio/executor.hpp>
 #include <boost/asio/serial_port_base.hpp>
-#include <boost/asio/serial_port_service.hpp>
+#if defined(BOOST_ASIO_HAS_IOCP)
+# include <boost/asio/detail/win_iocp_serial_port_service.hpp>
+#else
+# include <boost/asio/detail/reactive_serial_port_service.hpp>
+#endif
+
+#if defined(BOOST_ASIO_HAS_MOVE)
+# include <utility>
+#endif // defined(BOOST_ASIO_HAS_MOVE)
 
 #include <boost/asio/detail/push_options.hpp>
 
@@ -36,38 +49,63 @@ namespace asio {
 
 /// Provides serial port functionality.
 /**
- * The basic_serial_port class template provides functionality that is common
- * to all serial ports.
+ * The basic_serial_port class provides a wrapper over serial port
+ * functionality.
  *
  * @par Thread Safety
  * @e Distinct @e objects: Safe.@n
  * @e Shared @e objects: Unsafe.
  */
-template <typename SerialPortService = serial_port_service>
+template <typename Executor = executor>
 class basic_serial_port
-  : public basic_io_object<SerialPortService>,
-    public serial_port_base
+  : public serial_port_base
 {
 public:
-  /// (Deprecated: Use native_handle_type.) The native representation of a
-  /// serial port.
-  typedef typename SerialPortService::native_handle_type native_type;
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
 
   /// The native representation of a serial port.
-  typedef typename SerialPortService::native_handle_type native_handle_type;
+#if defined(GENERATING_DOCUMENTATION)
+  typedef implementation_defined native_handle_type;
+#elif defined(BOOST_ASIO_HAS_IOCP)
+  typedef detail::win_iocp_serial_port_service::native_handle_type
+    native_handle_type;
+#else
+  typedef detail::reactive_serial_port_service::native_handle_type
+    native_handle_type;
+#endif
 
-  /// A basic_serial_port is always the lowest layer.
-  typedef basic_serial_port<SerialPortService> lowest_layer_type;
+  /// A basic_basic_serial_port is always the lowest layer.
+  typedef basic_serial_port lowest_layer_type;
 
   /// Construct a basic_serial_port without opening it.
   /**
    * This constructor creates a serial port without opening it.
    *
-   * @param io_service The io_service object that the serial port will use to
-   * dispatch handlers for any asynchronous operations performed on the port.
+   * @param ex The I/O executor that the serial port will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * serial port.
    */
-  explicit basic_serial_port(boost::asio::io_service& io_service)
-    : basic_io_object<SerialPortService>(io_service)
+  explicit basic_serial_port(const executor_type& ex)
+    : impl_(ex)
+  {
+  }
+
+  /// Construct a basic_serial_port without opening it.
+  /**
+   * This constructor creates a serial port without opening it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the serial port will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the serial port.
+   */
+  template <typename ExecutionContext>
+  explicit basic_serial_port(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value,
+        basic_serial_port
+      >::type* = 0)
+    : impl_(context)
   {
   }
 
@@ -76,18 +114,18 @@ public:
    * This constructor creates and opens a serial port for the specified device
    * name.
    *
-   * @param io_service The io_service object that the serial port will use to
-   * dispatch handlers for any asynchronous operations performed on the port.
+   * @param ex The I/O executor that the serial port will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * serial port.
    *
    * @param device The platform-specific device name for this serial
    * port.
    */
-  explicit basic_serial_port(boost::asio::io_service& io_service,
-      const char* device)
-    : basic_io_object<SerialPortService>(io_service)
+  basic_serial_port(const executor_type& ex, const char* device)
+    : impl_(ex)
   {
     boost::system::error_code ec;
-    this->get_service().open(this->get_implementation(), device, ec);
+    impl_.get_service().open(impl_.get_implementation(), device, ec);
     boost::asio::detail::throw_error(ec, "open");
   }
 
@@ -96,18 +134,66 @@ public:
    * This constructor creates and opens a serial port for the specified device
    * name.
    *
-   * @param io_service The io_service object that the serial port will use to
-   * dispatch handlers for any asynchronous operations performed on the port.
+   * @param context An execution context which provides the I/O executor that
+   * the serial port will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the serial port.
    *
    * @param device The platform-specific device name for this serial
    * port.
    */
-  explicit basic_serial_port(boost::asio::io_service& io_service,
-      const std::string& device)
-    : basic_io_object<SerialPortService>(io_service)
+  template <typename ExecutionContext>
+  basic_serial_port(ExecutionContext& context, const char* device,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
   {
     boost::system::error_code ec;
-    this->get_service().open(this->get_implementation(), device, ec);
+    impl_.get_service().open(impl_.get_implementation(), device, ec);
+    boost::asio::detail::throw_error(ec, "open");
+  }
+
+  /// Construct and open a basic_serial_port.
+  /**
+   * This constructor creates and opens a serial port for the specified device
+   * name.
+   *
+   * @param ex The I/O executor that the serial port will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * serial port.
+   *
+   * @param device The platform-specific device name for this serial
+   * port.
+   */
+  basic_serial_port(const executor_type& ex, const std::string& device)
+    : impl_(ex)
+  {
+    boost::system::error_code ec;
+    impl_.get_service().open(impl_.get_implementation(), device, ec);
+    boost::asio::detail::throw_error(ec, "open");
+  }
+
+  /// Construct and open a basic_serial_port.
+  /**
+   * This constructor creates and opens a serial port for the specified device
+   * name.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the serial port will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the serial port.
+   *
+   * @param device The platform-specific device name for this serial
+   * port.
+   */
+  template <typename ExecutionContext>
+  basic_serial_port(ExecutionContext& context, const std::string& device,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    boost::system::error_code ec;
+    impl_.get_service().open(impl_.get_implementation(), device, ec);
     boost::asio::detail::throw_error(ec, "open");
   }
 
@@ -116,19 +202,47 @@ public:
    * This constructor creates a serial port object to hold an existing native
    * serial port.
    *
-   * @param io_service The io_service object that the serial port will use to
-   * dispatch handlers for any asynchronous operations performed on the port.
+   * @param ex The I/O executor that the serial port will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * serial port.
    *
    * @param native_serial_port A native serial port.
    *
    * @throws boost::system::system_error Thrown on failure.
    */
-  basic_serial_port(boost::asio::io_service& io_service,
+  basic_serial_port(const executor_type& ex,
       const native_handle_type& native_serial_port)
-    : basic_io_object<SerialPortService>(io_service)
+    : impl_(ex)
   {
     boost::system::error_code ec;
-    this->get_service().assign(this->get_implementation(),
+    impl_.get_service().assign(impl_.get_implementation(),
+        native_serial_port, ec);
+    boost::asio::detail::throw_error(ec, "assign");
+  }
+
+  /// Construct a basic_serial_port on an existing native serial port.
+  /**
+   * This constructor creates a serial port object to hold an existing native
+   * serial port.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the serial port will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the serial port.
+   *
+   * @param native_serial_port A native serial port.
+   *
+   * @throws boost::system::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_serial_port(ExecutionContext& context,
+      const native_handle_type& native_serial_port,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    boost::system::error_code ec;
+    impl_.get_service().assign(impl_.get_implementation(),
         native_serial_port, ec);
     boost::asio::detail::throw_error(ec, "assign");
   }
@@ -142,11 +256,11 @@ public:
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_serial_port(io_service&) constructor.
+   * constructed using the @c basic_serial_port(const executor_type&)
+   * constructor.
    */
   basic_serial_port(basic_serial_port&& other)
-    : basic_io_object<SerialPortService>(
-        BOOST_ASIO_MOVE_CAST(basic_serial_port)(other))
+    : impl_(std::move(other.impl_))
   {
   }
 
@@ -158,16 +272,32 @@ public:
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_serial_port(io_service&) constructor.
+   * constructed using the @c basic_serial_port(const executor_type&)
+   * constructor.
    */
   basic_serial_port& operator=(basic_serial_port&& other)
   {
-    basic_io_object<SerialPortService>::operator=(
-        BOOST_ASIO_MOVE_CAST(basic_serial_port)(other));
+    impl_ = std::move(other.impl_);
     return *this;
   }
 #endif // defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
 
+  /// Destroys the serial port.
+  /**
+   * This function destroys the serial port, cancelling any outstanding
+   * asynchronous wait operations associated with the serial port as if by
+   * calling @c cancel.
+   */
+  ~basic_serial_port()
+  {
+  }
+
+  /// 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
@@ -207,7 +337,7 @@ public:
   void open(const std::string& device)
   {
     boost::system::error_code ec;
-    this->get_service().open(this->get_implementation(), device, ec);
+    impl_.get_service().open(impl_.get_implementation(), device, ec);
     boost::asio::detail::throw_error(ec, "open");
   }
 
@@ -220,10 +350,11 @@ public:
    *
    * @param ec Set the indicate what error occurred, if any.
    */
-  boost::system::error_code open(const std::string& device,
+  BOOST_ASIO_SYNC_OP_VOID open(const std::string& device,
       boost::system::error_code& ec)
   {
-    return this->get_service().open(this->get_implementation(), device, ec);
+    impl_.get_service().open(impl_.get_implementation(), device, ec);
+    BOOST_ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
   /// Assign an existing native serial port to the serial port.
@@ -237,7 +368,7 @@ public:
   void assign(const native_handle_type& native_serial_port)
   {
     boost::system::error_code ec;
-    this->get_service().assign(this->get_implementation(),
+    impl_.get_service().assign(impl_.get_implementation(),
         native_serial_port, ec);
     boost::asio::detail::throw_error(ec, "assign");
   }
@@ -250,17 +381,18 @@ public:
    *
    * @param ec Set to indicate what error occurred, if any.
    */
-  boost::system::error_code assign(const native_handle_type& native_serial_port,
+  BOOST_ASIO_SYNC_OP_VOID assign(const native_handle_type& native_serial_port,
       boost::system::error_code& ec)
   {
-    return this->get_service().assign(this->get_implementation(),
+    impl_.get_service().assign(impl_.get_implementation(),
         native_serial_port, ec);
+    BOOST_ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
   /// Determine whether the serial port is open.
   bool is_open() const
   {
-    return this->get_service().is_open(this->get_implementation());
+    return impl_.get_service().is_open(impl_.get_implementation());
   }
 
   /// Close the serial port.
@@ -274,7 +406,7 @@ public:
   void close()
   {
     boost::system::error_code ec;
-    this->get_service().close(this->get_implementation(), ec);
+    impl_.get_service().close(impl_.get_implementation(), ec);
     boost::asio::detail::throw_error(ec, "close");
   }
 
@@ -286,21 +418,10 @@ public:
    *
    * @param ec Set to indicate what error occurred, if any.
    */
-  boost::system::error_code close(boost::system::error_code& ec)
+  BOOST_ASIO_SYNC_OP_VOID close(boost::system::error_code& ec)
   {
-    return this->get_service().close(this->get_implementation(), ec);
-  }
-
-  /// (Deprecated: Use native_handle().) Get the native serial port
-  /// representation.
-  /**
-   * This function may be used to obtain the underlying representation of the
-   * serial port. This is intended to allow access to native serial port
-   * functionality that is not otherwise provided.
-   */
-  native_type native()
-  {
-    return this->get_service().native_handle(this->get_implementation());
+    impl_.get_service().close(impl_.get_implementation(), ec);
+    BOOST_ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
   /// Get the native serial port representation.
@@ -311,7 +432,7 @@ public:
    */
   native_handle_type native_handle()
   {
-    return this->get_service().native_handle(this->get_implementation());
+    return impl_.get_service().native_handle(impl_.get_implementation());
   }
 
   /// Cancel all asynchronous operations associated with the serial port.
@@ -325,7 +446,7 @@ public:
   void cancel()
   {
     boost::system::error_code ec;
-    this->get_service().cancel(this->get_implementation(), ec);
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
     boost::asio::detail::throw_error(ec, "cancel");
   }
 
@@ -337,9 +458,10 @@ public:
    *
    * @param ec Set to indicate what error occurred, if any.
    */
-  boost::system::error_code cancel(boost::system::error_code& ec)
+  BOOST_ASIO_SYNC_OP_VOID cancel(boost::system::error_code& ec)
   {
-    return this->get_service().cancel(this->get_implementation(), ec);
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
+    BOOST_ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
   /// Send a break sequence to the serial port.
@@ -352,7 +474,7 @@ public:
   void send_break()
   {
     boost::system::error_code ec;
-    this->get_service().send_break(this->get_implementation(), ec);
+    impl_.get_service().send_break(impl_.get_implementation(), ec);
     boost::asio::detail::throw_error(ec, "send_break");
   }
 
@@ -363,9 +485,10 @@ public:
    *
    * @param ec Set to indicate what error occurred, if any.
    */
-  boost::system::error_code send_break(boost::system::error_code& ec)
+  BOOST_ASIO_SYNC_OP_VOID send_break(boost::system::error_code& ec)
   {
-    return this->get_service().send_break(this->get_implementation(), ec);
+    impl_.get_service().send_break(impl_.get_implementation(), ec);
+    BOOST_ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
   /// Set an option on the serial port.
@@ -387,7 +510,7 @@ public:
   void set_option(const SettableSerialPortOption& option)
   {
     boost::system::error_code ec;
-    this->get_service().set_option(this->get_implementation(), option, ec);
+    impl_.get_service().set_option(impl_.get_implementation(), option, ec);
     boost::asio::detail::throw_error(ec, "set_option");
   }
 
@@ -407,11 +530,11 @@ public:
    * boost::asio::serial_port_base::character_size
    */
   template <typename SettableSerialPortOption>
-  boost::system::error_code set_option(const SettableSerialPortOption& option,
+  BOOST_ASIO_SYNC_OP_VOID set_option(const SettableSerialPortOption& option,
       boost::system::error_code& ec)
   {
-    return this->get_service().set_option(
-        this->get_implementation(), option, ec);
+    impl_.get_service().set_option(impl_.get_implementation(), option, ec);
+    BOOST_ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
   /// Get an option from the serial port.
@@ -434,7 +557,7 @@ public:
   void get_option(GettableSerialPortOption& option)
   {
     boost::system::error_code ec;
-    this->get_service().get_option(this->get_implementation(), option, ec);
+    impl_.get_service().get_option(impl_.get_implementation(), option, ec);
     boost::asio::detail::throw_error(ec, "get_option");
   }
 
@@ -455,11 +578,11 @@ public:
    * boost::asio::serial_port_base::character_size
    */
   template <typename GettableSerialPortOption>
-  boost::system::error_code get_option(GettableSerialPortOption& option,
+  BOOST_ASIO_SYNC_OP_VOID get_option(GettableSerialPortOption& option,
       boost::system::error_code& ec)
   {
-    return this->get_service().get_option(
-        this->get_implementation(), option, ec);
+    impl_.get_service().get_option(impl_.get_implementation(), option, ec);
+    BOOST_ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
   /// Write some data to the serial port.
@@ -483,7 +606,7 @@ public:
    * @par Example
    * To write a single data buffer use the @ref buffer function as follows:
    * @code
-   * serial_port.write_some(boost::asio::buffer(data, size));
+   * basic_serial_port.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
@@ -493,8 +616,8 @@ public:
   std::size_t write_some(const ConstBufferSequence& buffers)
   {
     boost::system::error_code ec;
-    std::size_t s = this->get_service().write_some(
-        this->get_implementation(), buffers, ec);
+    std::size_t s = impl_.get_service().write_some(
+        impl_.get_implementation(), buffers, ec);
     boost::asio::detail::throw_error(ec, "write_some");
     return s;
   }
@@ -519,8 +642,8 @@ public:
   std::size_t write_some(const ConstBufferSequence& buffers,
       boost::system::error_code& ec)
   {
-    return this->get_service().write_some(
-        this->get_implementation(), buffers, ec);
+    return impl_.get_service().write_some(
+        impl_.get_implementation(), buffers, ec);
   }
 
   /// Start an asynchronous write.
@@ -541,9 +664,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes written.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * boost::asio::io_service::post().
+   * not, the 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().
    *
    * @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
@@ -552,7 +675,8 @@ public:
    * @par Example
    * To write a single data buffer use the @ref buffer function as follows:
    * @code
-   * serial_port.async_write_some(boost::asio::buffer(data, size), handler);
+   * basic_serial_port.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
@@ -564,12 +688,9 @@ public:
   async_write_some(const ConstBufferSequence& buffers,
       BOOST_ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // 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;
-
-    return this->get_service().async_write_some(this->get_implementation(),
-        buffers, BOOST_ASIO_MOVE_CAST(WriteHandler)(handler));
+    return async_initiate<WriteHandler,
+      void (boost::system::error_code, std::size_t)>(
+        initiate_async_write_some(), handler, this, buffers);
   }
 
   /// Read some data from the serial port.
@@ -594,7 +715,7 @@ public:
    * @par Example
    * To read into a single data buffer use the @ref buffer function as follows:
    * @code
-   * serial_port.read_some(boost::asio::buffer(data, size));
+   * basic_serial_port.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
@@ -604,8 +725,8 @@ public:
   std::size_t read_some(const MutableBufferSequence& buffers)
   {
     boost::system::error_code ec;
-    std::size_t s = this->get_service().read_some(
-        this->get_implementation(), buffers, ec);
+    std::size_t s = impl_.get_service().read_some(
+        impl_.get_implementation(), buffers, ec);
     boost::asio::detail::throw_error(ec, "read_some");
     return s;
   }
@@ -631,8 +752,8 @@ public:
   std::size_t read_some(const MutableBufferSequence& buffers,
       boost::system::error_code& ec)
   {
-    return this->get_service().read_some(
-        this->get_implementation(), buffers, ec);
+    return impl_.get_service().read_some(
+        impl_.get_implementation(), buffers, ec);
   }
 
   /// Start an asynchronous read.
@@ -653,9 +774,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes read.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * boost::asio::io_service::post().
+   * not, the 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().
    *
    * @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
@@ -665,7 +786,8 @@ public:
    * @par Example
    * To read into a single data buffer use the @ref buffer function as follows:
    * @code
-   * serial_port.async_read_some(boost::asio::buffer(data, size), handler);
+   * basic_serial_port.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
@@ -677,13 +799,55 @@ public:
   async_read_some(const MutableBufferSequence& buffers,
       BOOST_ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // 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;
-
-    return this->get_service().async_read_some(this->get_implementation(),
-        buffers, BOOST_ASIO_MOVE_CAST(ReadHandler)(handler));
+    return async_initiate<ReadHandler,
+      void (boost::system::error_code, std::size_t)>(
+        initiate_async_read_some(), handler, this, buffers);
   }
+
+private:
+  // Disallow copying and assignment.
+  basic_serial_port(const basic_serial_port&) BOOST_ASIO_DELETED;
+  basic_serial_port& operator=(const basic_serial_port&) BOOST_ASIO_DELETED;
+
+  struct initiate_async_write_some
+  {
+    template <typename WriteHandler, typename ConstBufferSequence>
+    void operator()(BOOST_ASIO_MOVE_ARG(WriteHandler) handler,
+        basic_serial_port* self, 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_implementation_executor());
+    }
+  };
+
+  struct initiate_async_read_some
+  {
+    template <typename ReadHandler, typename MutableBufferSequence>
+    void operator()(BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
+        basic_serial_port* self, 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_implementation_executor());
+    }
+  };
+
+#if defined(BOOST_ASIO_HAS_IOCP)
+  detail::io_object_impl<detail::win_iocp_serial_port_service, Executor> impl_;
+#else
+  detail::io_object_impl<detail::reactive_serial_port_service, Executor> impl_;
+#endif
 };
 
 } // namespace asio