$OpenBSD: patch-src_ptt_c,v 1.1.1.1 2007/05/28 18:47:06 jason Exp $
--- src/ptt.c.orig	Sat Nov  5 13:56:29 2005
+++ src/ptt.c	Sat Nov  5 13:57:28 2005
@@ -142,7 +142,7 @@ static gint openptt(void)
 	guchar pararg;
 #endif
 
-	if ((fd = open(pttpath, O_RDWR, 0)) < 0) {
+	if ((fd = open(pttpath, O_RDWR | O_NONBLOCK, 0)) < 0) {
 		errmsg("Cannot open PTT device '%s': %m", pttpath);
 		return -1;
 	}