--- a/master/master.h	Fri May 07 15:16:14 2010 +0200
+++ b/master/master.h	Fri May 07 15:25:55 2010 +0200
@@ -130,7 +130,11 @@
     ec_datagram_t sync_mon_datagram; /**< Datagram used for DC synchronisation
                                        monitoring. */
     ec_slave_t *dc_ref_clock; /**< DC reference clock slave. */
-    
+#ifdef EC_HAVE_CYCLES
+    cycles_t dc_cycles_app_time; /** cycles at last ecrt_master_sync() call.*/
+#endif
+    unsigned long dc_jiffies_app_time;/** jiffies at last
+                                            ecrt_master_sync() call.*/
     unsigned int scan_busy; /**< Current scan state. */
     unsigned int allow_scan; /**< \a True, if slave scanning is allowed. */
     struct semaphore scan_sem; /**< Semaphore protecting the \a scan_busy