--- ray/src/hd/rholo.c	2005/12/15 16:47:16	3.70
+++ ray/src/hd/rholo.c	2008/12/05 00:22:33	3.74
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: rholo.c,v 3.70 2005/12/15 16:47:16 greg Exp $";
+static const char	RCSid[] = "$Id: rholo.c,v 3.74 2008/12/05 00:22:33 greg Exp $";
 #endif
 /*
  * Radiance holodeck generation controller
@@ -21,7 +21,7 @@ static const char	RCSid[] = "$Id: rholo.c,v 3.70 2005/
 #define FRAGWARN	20		/* fragmentation for warning (%) */
 #endif
 #ifndef MAXQTIME
-#define MAXQTIME	5		/* target maximum seconds in queue */
+#define MAXQTIME	3		/* target maximum seconds in queue */
 #endif
 					/* manual cache flushing frequency */
 #ifndef RTFLUSH
@@ -164,7 +164,7 @@ main(
 	quit(0);
 userr:
 	fprintf(stderr,
-"Usage: %s [-n nprocs][-o disp][-w][-r|-f] output.hdk [control.hif|+|- [VAR=val ..]]\n",
+"Usage: %s [-n nprocs][-o disp][-i][-w][-r|-f] output.hdk [control.hif|+|- [VAR=val ..]]\n",
 			progname);
 	quit(1);
 	return 1; /* pro forma return */
@@ -319,7 +319,7 @@ memerr:
 static int
 rholo(void)				/* holodeck main loop */
 {
-	static long	nextfragwarn = 100L<<20;
+	static off_t	nextfragwarn = 100L<<20;
 	static int	idle = 0;
 	PACKET	*pl = NULL, *plend;
 	off_t	fsiz;
@@ -534,9 +534,10 @@ loadholo(void)			/* start loading a holodeck from fnam
 			error(SYSTEM, errmsg);
 		}
 		if (ncprocs > 0) {
-			sprintf(errmsg,
-			"\"%s\" opened read-only; new rays will be discarded",
-					hdkfile);
+			sprintf(errmsg, "\"%s\" is read-only", hdkfile);
+			if (outdev == NULL)
+				error(USER, errmsg);
+			strcat(errmsg, "; new rays will be discarded");
 			error(WARNING, errmsg);
 			force = -1;
 		}