--- ray/src/rt/rc3.c	2012/06/19 00:12:08	2.12
+++ ray/src/rt/rc3.c	2012/06/22 21:58:45	2.16
@@ -1,14 +1,13 @@
 #ifndef lint
-static const char RCSid[] = "$Id: rc3.c,v 2.12 2012/06/19 00:12:08 greg Exp $";
+static const char RCSid[] = "$Id: rc3.c,v 2.16 2012/06/22 21:58:45 greg Exp $";
 #endif
 /*
  * Accumulate ray contributions for a set of materials
  * Controlling process for multiple children
  */
 
+#include <signal.h>
 #include "rcontrib.h"
-#include "platform.h"
-#include "rtprocess.h"
 #include "selcall.h"
 
 #define	MAXIQ		(int)(PIPE_BUF/(sizeof(FVECT)*2))
@@ -321,8 +320,10 @@ end_children(int immed)
 	
 	while (nchild > 0) {
 		nchild--;
+#ifdef SIGKILL
 		if (immed)		/* error mode -- quick exit */
 			kill(kida[nchild].pr.pid, SIGKILL);
+#endif
 		if ((status = close_process(&kida[nchild].pr)) > 0 && !immed) {
 			sprintf(errmsg,
 				"rendering process returned bad status (%d)",
@@ -539,8 +540,9 @@ feeder_loop()
 		lastray += kida[i].nr = ninq;
 		ninq = 0;
 	}
-	for (i = nchild; i--; ) {		/* get results */
-		close(kida[i].pr.w);
+	memset(orgdir, 0, sizeof(FVECT)*2);	/* get results */
+	for (i = nchild; i--; ) {
+		writebuf(kida[i].pr.w, (char *)orgdir, sizeof(FVECT)*2);
 		queue_results(i);
 	}
 	if (recover)				/* and from before? */