--- libev/event.c	2007/12/25 07:05:46	1.33
+++ libev/event.c	2008/04/09 21:09:10	1.34
@@ -359,7 +359,7 @@
 
   ev_once (EV_A_ -1, 0, after >= 0. ? after : 0., x_loopexit_cb, (void *)base);
 
-  return -1;
+  return 0;
 }
 
 struct x_once