--- ray/src/rt/devcomm.c	1989/02/02 10:41:19	1.1
+++ ray/src/rt/devcomm.c	1989/06/02 17:21:24	1.4
@@ -27,7 +27,7 @@ static char SCCSid[] = "$SunId$ LBL";
 #endif
 
 #ifndef WFLUSH
-#define WFLUSH		30		/* flush after this many rays */
+#define WFLUSH		50		/* flush after this many rays */
 #endif
 
 extern char	*getpath(), *getenv();
@@ -88,8 +88,7 @@ char	*argv[];
 		goto syserr;
 	bcopy(&comm_default, &comm_driver, sizeof(comm_driver));
 	signal(SIGIO, onsigio);
-	errvec = comm_errout;			/* set error vector */
-	cmdvec = comm_comout;
+	cmdvec = comm_comout;			/* set error vectors */
 	if (wrnvec != NULL)
 		wrnvec = comm_comout;
 	return(&comm_driver);
@@ -104,8 +103,7 @@ comm_close()			/* done with driver */
 {
 	int	pid;
 
-	errvec = stderr_v;			/* reset error vector */
-	cmdvec = NULL;
+	cmdvec = NULL;				/* reset error vectors */
 	if (wrnvec != NULL)
 		wrnvec = stderr_v;
 	signal(SIGIO, SIG_DFL);