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diff --git a/externals/grill/flext/tutorial/thread1/main.cpp b/externals/grill/flext/tutorial/thread1/main.cpp
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+/* 
+flext tutorial - threads 1
+
+Copyright (c) 2002 Thomas Grill (xovo@gmx.net)
+For information on usage and redistribution, and for a DISCLAIMER OF ALL
+WARRANTIES, see the file, "license.txt," in this distribution.  
+
+-------------------------------------------------------------------------
+
+This shows an example of a method running as a thread
+*/
+
+// define FLEXT_THREADS for thread usage. Flext must also have been compiled with that defined!
+#ifndef FLEXT_THREADS
+#define FLEXT_THREADS
+#endif
+
+#include <flext.h>
+
+#if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 301)
+#error You need at least flext version 0.3.1
+#endif
+
+
+class thread1:
+	public flext_base
+{
+	FLEXT_HEADER(thread1,flext_base)
+ 
+public:
+	thread1(); 
+
+protected:
+	void m_start(); // method function
+
+private:
+	// define threaded callback for method m_start (with boolean argument)
+	// the same syntax as with FLEXT_CALLBACK is used here
+	FLEXT_THREAD(m_start); 
+};
+
+FLEXT_NEW("thread1",thread1)
+
+
+
+thread1::thread1()
+{ 
+	AddInAnything();
+	AddOutInt(); 
+	SetupInOut();  // set up inlets and outlets
+
+	FLEXT_ADDBANG(0,m_start); // register method
+} 
+
+void thread1::m_start()
+{
+	// Please note that this functions needs about 10 seconds to complete
+	// Without threads it would block the real-time system
+
+	// Okay, that functionality would be far more elegant with timers
+	// ... but hey, it's a demo!
+
+	for(int i = 0; i < 20 && !ShouldExit(); ++i) {
+		ToOutInt(0,i); // output loop count
+
+		// wait for half a second
+		for(int j = 0; j < 5 && !ShouldExit(); ++j) Sleep(0.1f); 
+		// note: we shall not block a thread for a longer time.
+		// The system might want to destroy the object in the meantime and
+		// expects thread termination.
+		// Flext waits for 1 second by default, then it aborts the thread brutally
+	}
+
+	// output a final zero
+	ToOutInt(0,0);
+}
+
+
+