--- ray/src/hd/rholo4.c	1997/11/20 11:40:11	3.6
+++ ray/src/hd/rholo4.c	1997/12/01 16:35:35	3.10
@@ -73,8 +73,10 @@ int	block;
 					/* read message header */
 	n = read(dpd[0], (char *)&msg, sizeof(MSGHEAD));
 	if (n != sizeof(MSGHEAD)) {
-		if (n >= 0)
+		if (n >= 0) {
+			dpout = NULL;
 			error(USER, "display process died");
+		}
 		if (errno != EAGAIN & errno != EINTR)
 			goto readerr;
 		return(2);		/* acceptable failure */
@@ -108,6 +110,14 @@ 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 */
+		break;
+	case DR_ADJSET:
+		if (msg.nbytes % sizeof(PACKHEAD))
+			error(INTERNAL, "bad DR_ADJSET from display process");
+		disp_result(DS_STARTIMM, 0, NULL);
+		bundle_set(BS_ADJ, (PACKHEAD *)buf, msg.nbytes/sizeof(PACKHEAD));
+		disp_result(DS_ENDIMM, 0, NULL);
 		disp_flush();
 		break;
 	case DR_DELSET:
@@ -125,6 +135,8 @@ int	block;
 		if (msg.nbytes)
 			error(INTERNAL, "bad DR_SHUTDOWN from display process");
 		return(0);		/* zero return signals shutdown */
+	case DR_NOOP:
+		break;
 	default:
 		error(INTERNAL, "unrecognized request from display process");
 	}