--- libaitsched/inc/aitsched.h	2011/11/30 23:44:57	1.2.2.6
+++ libaitsched/inc/aitsched.h	2011/12/08 08:02:23	1.3
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: aitsched.h,v 1.2.2.6 2011/11/30 23:44:57 misho Exp $
+* $Id: aitsched.h,v 1.3 2011/12/08 08:02:23 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -219,7 +219,7 @@ int schedCancel(sched_task_t * __restrict task);
  * @criteria = find task by criteria [CRITERIA_CALL|CRITERIA_ARG|CRITERIA_FD|CRITERIA_VAL|CRITERIA_TV]
  * @param = search parameter
  * @hook = custom cleanup hook function, may be NULL
- * return: -1 error or 0 ok
+ * return: -1 error, -2 error in sub-stage cancel execution, -3 error from custom hook or 0 ok
  */
 int schedCancelby(sched_root_task_t * __restrict root, sched_queue_t * __restrict queue, 
 		u_char criteria, void *param, sched_hook_func_t hook);