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diff --git a/common/JackThread.h b/common/JackThread.h
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+/*
+Copyright (C) 2001 Paul Davis
+Copyright (C) 2004-2006 Grame
+
+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.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __JackThread__
+#define __JackThread__
+
+#ifdef WIN32
+	#include <windows.h>
+typedef HANDLE pthread_t;
+typedef ULONGLONG UInt64;
+#else
+	#include <pthread.h>
+typedef unsigned long long UInt64;
+#endif
+
+namespace Jack
+{
+
+/*!
+\brief The base class for runnable objects, that have an <B> Init </B> and <B> Execute </B> method to be called in a thread.
+*/
+
+class JackRunnableInterface
+{
+
+    public:
+
+        JackRunnableInterface()
+        {}
+        virtual ~JackRunnableInterface()
+        {}
+
+        virtual bool Init()          /*! Called once when the thread is started */
+        {
+            return true;
+        }
+        virtual bool Execute() = 0;  /*! Must be implemented by subclasses */
+};
+
+/*!
+\brief The thread base class.
+*/
+
+class JackThread
+{
+
+    protected:
+
+        JackRunnableInterface* fRunnable;
+        int fPriority;
+        bool fRealTime;
+        volatile bool fRunning;
+        int fCancellation;
+
+    public:
+
+        JackThread(JackRunnableInterface* runnable, int priority, bool real_time, int cancellation):
+                fRunnable(runnable), fPriority(priority), fRealTime(real_time), fRunning(false), fCancellation(cancellation)
+        {}
+        virtual ~JackThread()
+        {}
+
+        virtual int Start() = 0;
+        virtual int StartSync() = 0;
+        virtual int Kill() = 0;
+        virtual int Stop() = 0;
+
+        virtual int AcquireRealTime() = 0;
+        virtual int AcquireRealTime(int priority) = 0;
+        virtual int DropRealTime() = 0;
+
+        virtual void SetParams(UInt64 period, UInt64 computation, UInt64 constraint) // Empty implementation, will only make sense on OSX...
+        {}
+
+        virtual pthread_t GetThreadID() = 0;
+};
+
+} // end of namespace
+
+#endif