-extern void initTicker (nat ms, TickProc handle_tick);
-extern void startTicker (void);
-extern void stopTicker (void);
-extern void exitTicker (void);
+void initTicker (nat ms, TickProc handle_tick);
+void startTicker (void);
+void stopTicker (void);
+void exitTicker (rtsBool wait);
+
+#include "EndPrivate.h"