diff -uPr schedtool-1.2.4/schedtool.c schedtool-1.2.4-cr7/schedtool.c

--- schedtool-1.2.4/schedtool.c	2004-11-28 14:36:20.000000000 +0100

+++ schedtool-1.2.4-cr7/schedtool.c	2005-02-10 13:22:20.000000000 +0100

@@ -236,13 +236,13 @@

          ARGH!

 	 */

 	/* for _BATCH and _NORMAL, prio is ignored and must be 0 */

-	if((policy==SCHED_NORMAL || policy==SCHED_BATCH || policy==SCHED_ISO) && prio) {

+	if((policy==SCHED_NORMAL || policy==SCHED_BATCH) && prio) {

 		decode_error("%s call may fail as static PRIO must be 0 or omitted",

 			     TAB[policy]

 			    );

 	/* _FIFO and _RR MUST have prio set */

-	} else if((policy==SCHED_FIFO || policy==SCHED_RR)) {

+	} else if((policy==SCHED_FIFO || policy==SCHED_RR || policy==SCHED_ISO)) {

 #define CHECK_RANGE_PRIO(p, p_low, p_high) (p <= (p_high) && p >= (p_low))

 		/* FIFO and RR - check min/max priority */

@@ -618,7 +618,7 @@

 	       "    -F -p PRIO            for SCHED_FIFO       only as root\n" \

 	       "    -R -p PRIO            for SCHED_RR         only as root\n" \

                "    -B                    for SCHED_BATCH\n" \

-               "    -I                    for SCHED_ISO\n\n" \

+               "    -I -p PRIO            for SCHED_ISO\n\n" \

                "    -M POLICY             for manual mode; raw number for POLICY\n" \

 	       "    -p STATIC_PRIORITY    usually 1-99; only for FIFO or RR\n" \

 	       "                          higher numbers means higher priority\n" \