util-linux/util-linux-2.13-schedutils-SCHED_BATCH.patch

--- util-linux-2.13-pre6/schedutils/chrt.1.batch	2006-11-10 13:23:37.000000000 -0500
+++ util-linux-2.13-pre6/schedutils/chrt.1	2006-11-10 13:27:23.000000000 -0500
@@ -36,10 +36,11 @@
 .BR chrt (1)
 sets or retrieves the real-time scheduling attributes of an existing PID or
 runs COMMAND with the given attributes.  Both policy (one of
+.BR SCHED_OTHER ,
 .BR SCHED_FIFO ,
 .BR SCHED_RR ,
 or
-.BR SCHED_OTHER )
+.BR SCHED_BATCH )
 and priority can be set and retrieved.
 .SH OPTIONS
 .TP
@@ -48,6 +49,10 @@
 .TP
 
 .TP
+.B -b, --batch
+set scheduling policy to
+.BR SCHED_BATCH
+.TP
 .B -f, --fifo
 set scheduling policy to
 .BR SCHED_FIFO
--- util-linux-2.13-pre6/schedutils/chrt.c.batch	2005-08-14 11:18:54.000000000 -0400
+++ util-linux-2.13-pre6/schedutils/chrt.c	2006-11-10 13:27:52.000000000 -0500
@@ -36,6 +36,8 @@
 	fprintf(stderr, "usage: %s [options] [prio] [pid | cmd [args...]]\n",
 			cmd);
 	fprintf(stderr, "manipulate real-time attributes of a process\n");
+	fprintf(stderr, "  -b, --batch                        "
+			"set policy to SCHED_BATCH\n");
 	fprintf(stderr, "  -f, --fifo                         "
 			"set policy to SCHED_FF\n");
 	fprintf(stderr, "  -p, --pid                          "
@@ -83,6 +85,9 @@
 	case SCHED_RR:
 		printf("SCHED_RR\n");
 		break;
+	case SCHED_BATCH:
+		printf("SCHED_BATCH\n");
+		break;
 	default:
 		printf("unknown\n");
 	}
@@ -101,6 +106,13 @@
 {
 	int max, min;
 
+	max = sched_get_priority_max(SCHED_OTHER);
+	min = sched_get_priority_min(SCHED_OTHER);
+	if (max >= 0 && min >= 0)
+		printf("SCHED_OTHER min/max priority\t: %d/%d\n", min, max);
+	else
+		printf("SCHED_OTHER not supported?\n");
+
 	max = sched_get_priority_max(SCHED_FIFO);
 	min = sched_get_priority_min(SCHED_FIFO);
 	if (max >= 0 && min >= 0)
@@ -115,12 +127,12 @@
 	else
 		printf("SCHED_RR not supported?\n");
 
-	max = sched_get_priority_max(SCHED_OTHER);
-	min = sched_get_priority_min(SCHED_OTHER);
+	max = sched_get_priority_max(SCHED_BATCH);
+	min = sched_get_priority_min(SCHED_BATCH);
 	if (max >= 0 && min >= 0)
-		printf("SCHED_OTHER min/max priority\t: %d/%d\n", min, max);
+		printf("SCHED_BATCH min/max priority\t: %d/%d\n", min, max);
 	else
-		printf("SCHED_OTHER not supported?\n");
+		printf("SCHED_BATCH not supported?\n");
 }
 
 int main(int argc, char *argv[])
@@ -130,6 +142,7 @@
 	pid_t pid = 0;
 
 	struct option longopts[] = {
+		{ "batch",	0, NULL, 'b' },
 		{ "fifo",	0, NULL, 'f' },
 		{ "pid",	0, NULL, 'p' },
 		{ "help",	0, NULL, 'h' },
@@ -141,11 +154,14 @@
 		{ NULL,		0, NULL, 0 }
 	};
 
-	while((i = getopt_long(argc, argv, "+fphmorvV", longopts, NULL)) != -1)
+	while((i = getopt_long(argc, argv, "+bfphmorvV", longopts, NULL)) != -1)
 	{
 		int ret = 1;
 
 		switch (i) {
+		case 'b':
+			policy = SCHED_BATCH;
+			break;
 		case 'f':
 			policy = SCHED_FIFO;
 			break;