Index: libcfa/src/concurrency/thread.hfa
===================================================================
--- libcfa/src/concurrency/thread.hfa	(revision ac2b5984c4b0375acbf29ad1d84b311620fd487c)
+++ libcfa/src/concurrency/thread.hfa	(revision 7030dab75c493bbd89de53cb88e496019c794ff4)
@@ -92,13 +92,13 @@
 //----------
 // Park thread: block until corresponding call to unpark, won't block if unpark is already called
-void park( void );
+void park( __cfaabi_dbg_ctx_param );
 
 //----------
 // Unpark a thread, if the thread is already blocked, schedule it
 //                  if the thread is not yet block, signal that it should rerun immediately
-void unpark( $thread * this );
+void unpark( $thread * this __cfaabi_dbg_ctx_param2 );
 
 forall( dtype T | is_thread(T) )
-static inline void unpark( T & this ) { if(!&this) return; unpark( get_thread( this ) );}
+static inline void unpark( T & this __cfaabi_dbg_ctx_param2 ) { if(!&this) return; unpark( get_thread( this ) __cfaabi_dbg_ctx_fwd2 );}
 
 //----------