--- libaitsched/inc/aitsched.h	2022/11/29 20:15:18	1.30
+++ libaitsched/inc/aitsched.h	2023/02/25 15:55:01	1.32
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: aitsched.h,v 1.30 2022/11/29 20:15:18 misho Exp $
+* $Id: aitsched.h,v 1.32 2023/02/25 15:55:01 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -12,7 +12,7 @@ terms:
 All of the documentation and software included in the ELWIX and AITNET
 Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
 
-Copyright 2004 - 2022
+Copyright 2004 - 2023
 	by Michael Pounov <misho@elwix.org>.  All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -224,6 +224,12 @@ struct sched_RootTask {
 	unsigned long	root_miss;
 	intptr_t	root_cond[1];
 	void		*root_ret;
+#ifdef HAVE_LIBPTHREAD
+	pthread_mutex_t	root_sigmtx;
+	pthread_t	root_sigthr;
+	sigset_t	root_sigset;
+	sigset_t	root_oldset;
+#endif
 
 	pthread_mutex_t	root_mtx[taskMAX];
 
@@ -372,10 +378,18 @@ int schedQuery(sched_task_t * __restrict task);
  * 	[ CRITERIA_ANY|CRITERIA_CALL|CRITERIA_ARG|CRITERIA_FD|CRITERIA_VAL|
  * 		CRITERIA_ID|CRITERIA_TS|CRITERIA_DATA|CRITERIA_DATLEN ]
  * @param = search parameter
- * return: -1 error, 0 found or 1 not found
+ * return: NULL not found or !=NULL task
  */
-int schedQueryby(sched_root_task_t * __restrict root, sched_task_type_t type, 
+sched_task_t *schedQueryby(sched_root_task_t * __restrict root, sched_task_type_t type, 
 		unsigned char criteria, void *param);
+/*
+ * schedSignalDispatch() - Activate or Deactivate signal dispatcher
+ *
+ * @root = root task
+ * @on = Activate or =0 deactivate
+ * return: -1 error or 0 ok
+ */
+int schedSignalDispatch(sched_root_task_t * __restrict root, int on);
 
 
 /*