--- libev/ev.h	2007/11/23 19:13:33	1.64
+++ libev/ev.h	2007/11/24 06:23:27	1.65
@@ -329,6 +329,7 @@
 
 #define EVLOOP_NONBLOCK	1 /* do not block/wait */
 #define EVLOOP_ONESHOT	2 /* block *once* only */
+#define EVUNLOOP_CANCEL 0 /* undo unloop */
 #define EVUNLOOP_ONE    1 /* unloop once */
 #define EVUNLOOP_ALL    2 /* unloop all loops */