--- libaitsched/src/tasks.c	2013/05/30 09:13:52	1.16
+++ libaitsched/src/tasks.c	2013/08/15 18:40:39	1.16.6.3
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: tasks.c,v 1.16 2013/05/30 09:13:52 misho Exp $
+* $Id: tasks.c,v 1.16.6.3 2013/08/15 18:40:39 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -511,7 +511,7 @@ schedSignal(sched_root_task_t * __restrict root, sched
  * @func = task execution function
  * @arg = 1st func argument
  * @ts = timeout argument structure, minimum alarm timer resolution is 1msec!
- * @opt_data = Optional data
+ * @opt_data = Alarm timer ID
  * @opt_dlen = Optional data length
  * return: NULL error or !=NULL new queued task
  */
@@ -1322,3 +1322,56 @@ schedThread(sched_root_task_t * __restrict root, sched
 	return task;
 }
 
+/*
+ * schedRTC() - Add RTC task to scheduler queue
+ *
+ * @root = root task
+ * @func = task execution function
+ * @arg = 1st func argument
+ * @ts = timeout argument structure, minimum alarm timer resolution is 1msec!
+ * @opt_data = Optional RTC ID
+ * @opt_dlen = Optional Signal No.
+ * return: NULL error or !=NULL new queued task
+ */
+sched_task_t *
+schedRTC(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, struct timespec ts, 
+		void *opt_data, size_t opt_dlen)
+{
+	sched_task_t *task;
+	void *ptr;
+
+	if (!root || !func)
+		return NULL;
+
+	/* get new task */
+	if (!(task = sched_useTask(root)))
+		return NULL;
+
+	task->task_func = func;
+	TASK_TYPE(task) = taskRTC;
+	TASK_ROOT(task) = root;
+
+	TASK_ARG(task) = arg;
+	TASK_TS(task) = ts;
+
+	TASK_DATA(task) = opt_data;
+	TASK_DATLEN(task) = opt_dlen;
+
+	if (root->root_hooks.hook_add.rtc)
+		ptr = root->root_hooks.hook_add.rtc(task, NULL);
+	else
+		ptr = NULL;
+
+	if (!ptr) {
+#ifdef HAVE_LIBPTHREAD
+		pthread_mutex_lock(&root->root_mtx[taskRTC]);
+#endif
+		TAILQ_INSERT_TAIL(&root->root_rtc, TASK_ID(task), task_node);
+#ifdef HAVE_LIBPTHREAD
+		pthread_mutex_unlock(&root->root_mtx[taskRTC]);
+#endif
+	} else
+		task = sched_unuseTask(task);
+
+	return task;
+}