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diff --git a/SrcUnix/EmTransportSerialUnix.h b/SrcUnix/EmTransportSerialUnix.h
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+++ b/SrcUnix/EmTransportSerialUnix.h
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+/* -*- mode: C++; tab-width: 4 -*- */
+/* ===================================================================== *\
+	Copyright (c) 2000-2001 Palm, Inc. or its subsidiaries.
+	All rights reserved.
+
+	This file is part of the Palm OS Emulator.
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+\* ===================================================================== */
+
+#ifndef EmTransportSerialUnix_h
+#define EmTransportSerialUnix_h
+
+#include "EmTransportSerial.h"
+
+#include "omnithread.h"			// omni_mutex
+#include <deque>				// deque
+
+
+class EmHostTransportSerial
+{
+	public:
+								EmHostTransportSerial (void);
+								~EmHostTransportSerial (void);
+
+		ErrCode					OpenCommPort		(const EmTransportSerial::ConfigSerial&);
+		ErrCode					CreateCommThreads	(const EmTransportSerial::ConfigSerial&);
+		ErrCode					DestroyCommThreads	(void);
+		ErrCode					CloseCommPort		(void);
+
+		// Manage data coming in the host serial port.
+		void					PutIncomingData		(const void*, long&);
+		void					GetIncomingData		(void*, long&);
+		long					IncomingDataSize	(void);
+
+		// Manage data going out the host serial port.
+		void					PutOutgoingData		(const void*, long&);
+		void					GetOutgoingData		(void*, long&);
+		long					OutgoingDataSize	(void);
+
+		static void*			CommRead			(void*);
+		static void*			CommWrite			(void*);
+
+		int						GetBaud				(EmTransportSerial::Baud);
+		int						GetDataBits			(EmTransportSerial::DataBits);
+
+	public:
+		omni_thread*			fReadThread;
+		omni_thread*			fWriteThread;
+
+	   	int						fCommHandle;
+		int						fCommSignalPipeA;
+		int						fCommSignalPipeB;
+		int						fTimeToQuit;
+		omni_mutex				fDataMutex;
+		omni_condition			fDataCondition;
+
+		omni_mutex				fReadMutex;
+		deque<char>				fReadBuffer;
+
+		omni_mutex				fWriteMutex;
+		deque<char>				fWriteBuffer;
+};
+
+#endif /* EmTransportSerialUnix_h */