Index: libcfa/src/concurrency/alarm.hfa
===================================================================
--- libcfa/src/concurrency/alarm.hfa	(revision 58b6d1b3b8da710a22441043f60cb988a2c2e56d)
+++ libcfa/src/concurrency/alarm.hfa	(revision bce76d1f76d35da4ed35f2c485f42198858648ab)
@@ -23,5 +23,5 @@
 #include "time.hfa"
 
-struct thread_desc;
+struct $thread;
 struct processor;
 
@@ -43,5 +43,5 @@
 
 	union {
-		thread_desc * thrd;	// thrd who created event
+		$thread * thrd;	// thrd who created event
 		processor * proc;		// proc who created event
 	};
@@ -53,5 +53,5 @@
 typedef alarm_node_t ** __alarm_it_t;
 
-void ?{}( alarm_node_t & this, thread_desc * thrd, Time alarm, Duration period );
+void ?{}( alarm_node_t & this, $thread * thrd, Time alarm, Duration period );
 void ?{}( alarm_node_t & this, processor   * proc, Time alarm, Duration period );
 void ^?{}( alarm_node_t & this );
