Index: kernel/generic/include/proc/thread.h
===================================================================
--- kernel/generic/include/proc/thread.h	(revision aae365bc823f3137811d2c48089c150e81c40606)
+++ kernel/generic/include/proc/thread.h	(revision 5071f8a8d049c5ec42cf8d3640c718d3cf19c5a6)
@@ -225,5 +225,5 @@
 
 #ifndef thread_create_arch
-extern void thread_create_arch(thread_t *);
+extern errno_t thread_create_arch(thread_t *, thread_flags_t);
 #endif