--- libaitsched/src/tasks.c	2013/08/15 17:58:31	1.16.6.2
+++ libaitsched/src/tasks.c	2013/08/26 07:40:06	1.18.2.2
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: tasks.c,v 1.16.6.2 2013/08/15 17:58:31 misho Exp $
+* $Id: tasks.c,v 1.18.2.2 2013/08/26 07:40:06 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -152,6 +152,27 @@ _sched_threadWrapper(sched_task_t *t)
 }
 #endif
 
+#if defined(HAVE_TIMER_CREATE) && defined(HAVE_TIMER_SETTIME)
+void *
+_sched_rtcWrapper(sched_task_t *t)
+{
+	void *ret = NULL;
+	sched_task_func_t func;
+	sched_task_t *task;
+
+	if (!t || !TASK_ROOT(t) || !TASK_DATA(t))
+		return NULL;
+	else {
+		task = (sched_task_t*) TASK_DATA(t);
+		func = TASK_FUNC(task);
+	}
+
+	ret = func(task);
+	timer_delete((timer_t) TASK_DATLEN(t));
+	return ret;
+}
+#endif
+
 #pragma GCC visibility pop
 
 /*
@@ -1329,7 +1350,7 @@ schedThread(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 = RTC ID
+ * @opt_data = Optional RTC ID
  * @opt_dlen = Optional data length
  * return: NULL error or !=NULL new queued task
  */
@@ -1337,6 +1358,7 @@ 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)
 {
+#if defined(HAVE_TIMER_CREATE) && defined(HAVE_TIMER_SETTIME)
 	sched_task_t *task;
 	void *ptr;
 
@@ -1374,4 +1396,8 @@ schedRTC(sched_root_task_t * __restrict root, sched_ta
 		task = sched_unuseTask(task);
 
 	return task;
+#else
+	sched_SetErr(ENOTSUP, "Not supported realtime clock extensions");
+	return NULL;
+#endif
 }