--- ray/src/gen/mkillum.c	2009/06/06 05:03:47	2.35
+++ ray/src/gen/mkillum.c	2011/10/05 17:20:55	2.38
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char RCSid[] = "$Id: mkillum.c,v 2.35 2009/06/06 05:03:47 greg Exp $";
+static const char RCSid[] = "$Id: mkillum.c,v 2.38 2011/10/05 17:20:55 greg Exp $";
 #endif
 /*
  * Make illum sources for optimizing rendering process
@@ -8,6 +8,7 @@ static const char RCSid[] = "$Id: mkillum.c,v 2.35 200
 #include  <signal.h>
 #include  <ctype.h>
 
+#include  "rtprocess.h"	/* win_popen() */
 #include  "mkillum.h"
 
 				/* default parameters */
@@ -70,7 +71,6 @@ main(		/* compute illum distributions using rtrace */
 				/* set up rendering defaults */
 	dstrsrc = 0.5;
 	directrelay = 3;
-	directvis = 0;
 	ambounce = 2;
 				/* get options from command line */
 	for (i = 1; i < argc; i++) {
@@ -172,6 +172,16 @@ char  *s;
 {
 	if (warnings)
 		eputs(s);
+}
+
+
+void
+quit(ec)			/* make sure exit is called */
+int	ec;
+{
+	if (ray_pnprocs > 0)	/* close children if any */
+		ray_pclose(0);		
+	exit(ec);
 }