Index: src/libcfa/concurrency/monitor
===================================================================
--- src/libcfa/concurrency/monitor	(revision 4cedd9fd7388881d56f46c8b5b5520dee1f9e9b2)
+++ src/libcfa/concurrency/monitor	(revision 8fc45b762b4e8374629230668423504c051c14e7)
@@ -98,6 +98,6 @@
 
 void ?{}( __condition_blocked_queue_t & );
-void append( __condition_blocked_queue_t *, __condition_node_t * );
-__condition_node_t * pop_head( __condition_blocked_queue_t * );
+void append( __condition_blocked_queue_t &, __condition_node_t * );
+__condition_node_t * pop_head( __condition_blocked_queue_t & );
 
 struct condition {
@@ -116,9 +116,9 @@
 }
 
-void wait( condition & this, uintptr_t user_info = 0 );
-bool signal( condition & this );
-bool signal_block( condition & this );
-static inline bool is_empty( condition & this ) { return !this.blocked.head; }
-uintptr_t front( condition & this );
+              void wait        ( condition & this, uintptr_t user_info = 0 );
+              bool signal      ( condition & this );
+              bool signal_block( condition & this );
+static inline bool is_empty    ( condition & this ) { return !this.blocked.head; }
+         uintptr_t front       ( condition & this );
 
 //-----------------------------------------------------------------------------