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diff --git a/source/serial/include/serial/impl/win.h b/source/serial/include/serial/impl/win.h
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+/*!
+ * \file serial/impl/windows.h
+ * \author  William Woodall <wjwwood@gmail.com>
+ * \author  John Harrison <ash@greaterthaninfinity.com>
+ * \version 0.1
+ *
+ * \section LICENSE
+ *
+ * The MIT License
+ *
+ * Copyright (c) 2012 William Woodall, John Harrison
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * \section DESCRIPTION
+ *
+ * This provides a windows implementation of the Serial class interface.
+ *
+ */
+
+#if defined(_WIN32)
+
+#ifndef SERIAL_IMPL_WINDOWS_H
+#define SERIAL_IMPL_WINDOWS_H
+
+#include "serial/serial.h"
+
+#include "windows.h"
+
+namespace serial {
+
+using std::string;
+using std::wstring;
+using std::invalid_argument;
+
+using serial::SerialException;
+using serial::IOException;
+
+class serial::Serial::SerialImpl {
+public:
+  SerialImpl (const string &port,
+              unsigned long baudrate,
+              bytesize_t bytesize,
+              parity_t parity,
+              stopbits_t stopbits,
+              flowcontrol_t flowcontrol);
+
+  virtual ~SerialImpl ();
+
+  void
+  open ();
+
+  void
+  close ();
+
+  bool
+  isOpen () const;
+
+  size_t
+  available ();
+  
+  bool
+  waitReadable (uint32_t timeout);
+
+  void
+  waitByteTimes (size_t count);
+
+  size_t
+  read (uint8_t *buf, size_t size = 1);
+
+  size_t
+  write (const uint8_t *data, size_t length);
+
+  void
+  flush ();
+
+  void
+  flushInput ();
+
+  void
+  flushOutput ();
+
+  void
+  sendBreak (int duration);
+
+  void
+  setBreak (bool level);
+
+  void
+  setRTS (bool level);
+
+  void
+  setDTR (bool level);
+
+  bool
+  waitForChange ();
+
+  bool
+  getCTS ();
+
+  bool
+  getDSR ();
+
+  bool
+  getRI ();
+
+  bool
+  getCD ();
+
+  void
+  setPort (const string &port);
+
+  string
+  getPort () const;
+
+  void
+  setTimeout (Timeout &timeout);
+
+  Timeout
+  getTimeout () const;
+
+  void
+  setBaudrate (unsigned long baudrate);
+
+  unsigned long
+  getBaudrate () const;
+
+  void
+  setBytesize (bytesize_t bytesize);
+
+  bytesize_t
+  getBytesize () const;
+
+  void
+  setParity (parity_t parity);
+
+  parity_t
+  getParity () const;
+
+  void
+  setStopbits (stopbits_t stopbits);
+
+  stopbits_t
+  getStopbits () const;
+
+  void
+  setFlowcontrol (flowcontrol_t flowcontrol);
+
+  flowcontrol_t
+  getFlowcontrol () const;
+
+  void
+  readLock ();
+
+  void
+  readUnlock ();
+
+  void
+  writeLock ();
+
+  void
+  writeUnlock ();
+
+protected:
+  void reconfigurePort ();
+
+private:
+  wstring port_;               // Path to the file descriptor
+  HANDLE fd_;
+
+  bool is_open_;
+
+  Timeout timeout_;           // Timeout for read operations
+  unsigned long baudrate_;    // Baudrate
+
+  parity_t parity_;           // Parity
+  bytesize_t bytesize_;       // Size of the bytes
+  stopbits_t stopbits_;       // Stop Bits
+  flowcontrol_t flowcontrol_; // Flow Control
+
+  // Mutex used to lock the read functions
+  HANDLE read_mutex;
+  // Mutex used to lock the write functions
+  HANDLE write_mutex;
+};
+
+}
+
+#endif // SERIAL_IMPL_WINDOWS_H
+
+#endif // if defined(_WIN32)