From df30e1acc83436bddaa61cba47a258d7d69e0f01 Mon Sep 17 00:00:00 2001
From: Ted Unangst <tedu@cvs.openbsd.org>
Date: Fri, 3 Sep 2004 06:37:15 +0000
Subject: sleep instead of busy waiting on ENOBUFS.  reduces cpu time. pr3900. 
 ok canacar@ deraadt@ matthieu@ millert@

---
 usr.sbin/pppoe/client.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'usr.sbin')

diff --git a/usr.sbin/pppoe/client.c b/usr.sbin/pppoe/client.c
index 284700844b8..689a5078ec4 100644
--- a/usr.sbin/pppoe/client.c
+++ b/usr.sbin/pppoe/client.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: client.c,v 1.19 2004/06/14 19:22:39 canacar Exp $	*/
+/*	$OpenBSD: client.c,v 1.20 2004/09/03 06:37:14 tedu Exp $	*/
 
 /*
  * Copyright (c) 2000 Network Security Technologies, Inc. http://www.netsec.net
@@ -368,8 +368,10 @@ getpackets(int bfd, u_int8_t *srv, u_int8_t *sysname,
 				goto next;
 			if ((r = bpf_to_ppp(pppfd, len, mpkt)) < 0)
 				return (-1);
-			if (r == 0)
+			if (r == 0) {
+				usleep(100000);
 				continue;
+			}
 		}
 next:
 		pkt += BPF_WORDALIGN(bh->bh_hdrlen + bh->bh_caplen);
-- 
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