--- libaitsched/inc/aitsched.h	2023/01/18 22:25:54	1.30.4.1
+++ libaitsched/inc/aitsched.h	2025/07/16 11:07:06	1.34
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: aitsched.h,v 1.30.4.1 2023/01/18 22:25:54 misho Exp $
+* $Id: aitsched.h,v 1.34 2025/07/16 11:07:06 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 - 2023
+Copyright 2004 - 2024
 	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];
 
@@ -253,6 +259,9 @@ struct sched_RootTask {
 #define ROOT_QUEUE_EMPTY(x, _q)	TAILQ_EMPTY(&((x)->root_##_q))
 #define ROOT_RETURN(x)	(x)->root_ret
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 int sched_GetErrno();
 const char *sched_GetError();
@@ -376,6 +385,14 @@ int schedQuery(sched_task_t * __restrict task);
  */
 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, 1 already started, 2 another thread already started or 0 ok
+ */
+int schedSignalDispatch(sched_root_task_t * __restrict root, int on);
 
 
 /*
@@ -753,5 +770,8 @@ void *sched_taskExit(sched_task_t *task, intptr_t retc
  */
 #define taskExit(t, x)		return sched_taskExit((t), (intptr_t) (x))
 
+#ifdef __cplusplus
+}
+#endif
 
 #endif