Index: generic/include/synch/futex.h
===================================================================
--- generic/include/synch/futex.h	(revision 281b60742b0de3de113380f53c4ae400665518cf)
+++ generic/include/synch/futex.h	(revision 40378479b8bf47b5c6ddf534dfbafae2c8441d34)
@@ -44,5 +44,5 @@
 
 extern void futex_init(void);
-extern __native sys_futex_sleep(__address uaddr);
+extern __native sys_futex_sleep_timeout(__address uaddr, __u32 usec, int trydown);
 extern __native sys_futex_wakeup(__address uaddr);