--- libaitsched/inc/aitsched.h	2012/01/08 00:51:17	1.4
+++ libaitsched/inc/aitsched.h	2012/01/08 02:01:41	1.4.2.1
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: aitsched.h,v 1.4 2012/01/08 00:51:17 misho Exp $
+* $Id: aitsched.h,v 1.4.2.1 2012/01/08 02:01:41 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -148,10 +148,15 @@ struct sched_Task {
 };
 typedef TAILQ_HEAD(, sched_Task) sched_queue_t;
 
+/* root lock helpers */
+#define ROOT_QLOCK(x, q)	(pthread_mutex_lock(&(x)->root_mtx[(q)]))
+#define ROOT_QUNLOCK(x, q)	(pthread_mutex_unlock(&(x)->root_mtx[(q)]))
+
 /* root task */
 struct sched_RootTask {
 	int		root_kq;
 	struct timeval	root_wait;
+	pthread_mutex_t	root_mtx[taskMAX];
 
 	sched_queue_t	root_read;
 	sched_queue_t	root_write;