--- a/master/master.h	Fri Mar 16 14:42:04 2007 +0000
+++ b/master/master.h	Thu May 03 14:29:21 2007 +0000
@@ -137,6 +137,8 @@
     unsigned int pdo_slaves_offline; /** number of slaves, for which PDOs
                                        were registered and that are offline
                                        (used for bus status) */
+    unsigned int frames_timed_out; /**< there were frame timeouts in the last
+                                     call to ecrt_master_receive() */
 
     int thread_id; /**< master thread PID */
     struct completion thread_exit; /**< thread completion object */