Index: kernel/generic/include/syscall/syscall.h
===================================================================
--- kernel/generic/include/syscall/syscall.h	(revision 057d21af95b6d9e801a14c4a6e6e4a784ad3dfd7)
+++ kernel/generic/include/syscall/syscall.h	(revision cf240cbc0d420fb62b7b3b5c41946295fe7ff11a)
@@ -43,4 +43,5 @@
 	SYS_THREAD_EXIT,
 	SYS_THREAD_GET_ID,
+	SYS_THREAD_USLEEP,
 	
 	SYS_TASK_GET_ID,