Index: src/libcfa/concurrency/thread
===================================================================
--- src/libcfa/concurrency/thread	(revision cb0e6de65962fd19c1eae698acaec94f1a41b56c)
+++ src/libcfa/concurrency/thread	(revision 55b2f5aef1766655c47ff12aeac3104e892a917b)
@@ -56,4 +56,7 @@
 thread_desc * this_thread(void);
 
+forall( dtype T | is_thread(T) )
+void __thrd_start( T* this );
+
 //-----------------------------------------------------------------------------
 // Ctors and dtors