--- ray/src/hd/rholo4.c	1997/12/12 11:13:17	3.13
+++ ray/src/hd/rholo4.c	1997/12/22 17:42:03	3.16
@@ -13,7 +13,7 @@ static char SCCSid[] = "$SunId$ SGI";
 #include <sys/uio.h>
 
 #ifndef HDSUF
-#define HDSUF	".hdisp"
+#define HDSUF	".hdi"
 #endif
 
 static int	inp_flags;
@@ -124,7 +124,7 @@ int	block;
 		disp_result(DS_STARTIMM, 0, NULL);
 		bundle_set(BS_ADD, (PACKHEAD *)buf, msg.nbytes/sizeof(PACKHEAD));
 		disp_result(DS_ENDIMM, 0, NULL);
-		disp_check(0);		/* hack -- delete usu. follows add */
+		disp_flush();
 		break;
 	case DR_ADJSET:		/* adjust calculation set members */
 		if (msg.nbytes % sizeof(PACKHEAD))
@@ -148,21 +148,17 @@ int	block;
 	case DR_KILL:		/* kill computation process(es) */
 		if (msg.nbytes)
 			error(INTERNAL, "bad DR_KILL from display process");
-		if (nprocs > 0) {
-			done_packets(flush_queue());
-			if (end_rtrace())
-				error(WARNING, "bad status returned by rtrace");
-		} else
+		if (nprocs > 0)
+			done_rtrace();
+		else
 			error(WARNING, "no rtrace process to kill");
 		break;
 	case DR_RESTART:	/* restart computation process(es) */
 		if (msg.nbytes)
 			error(INTERNAL, "bad DR_RESTART from display process");
-		if (ncprocs > nprocs) {
-			checkrad();
-			if (start_rtrace() < 1)
-				error(WARNING, "cannot restart rtrace");
-		} else if (nprocs > 0)
+		if (ncprocs > nprocs)
+			new_rtrace();
+		else if (nprocs > 0)
 			error(WARNING, "rtrace already runnning");
 		else
 			error(WARNING, "holodeck not open for writing");