From: Murray <source@isc.org>
Date: Sat, 8 Jun 2002 09:28:15 +0000 (+0000)
Subject: When an interface goes away in FreeBSD, read(2) returns ENXIO, not
X-Git-Tag: HEAD-MERGE-V3-0-3B1~19
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d1d0d78ad503efe7197b5a3b5b3e20cdb770470f;p=thirdparty%2Fdhcp.git

When an interface goes away in FreeBSD, read(2) returns ENXIO, not
EIO.

This fixes an annoying infinite-loop bug on FreeBSD.

Fix suggested by:	mellon
---

diff --git a/common/bpf.c b/common/bpf.c
index 49af907dc..86022d16b 100644
--- a/common/bpf.c
+++ b/common/bpf.c
@@ -47,7 +47,7 @@
 
 #ifndef lint
 static char copyright[] =
-"$Id: bpf.c,v 1.48 2001/04/08 21:12:49 mellon Exp $ Copyright (c) 1995-2000 The Internet Software Consortium.  All rights reserved.\n";
+"$Id: bpf.c,v 1.49 2002/06/08 09:28:15 murray Exp $ Copyright (c) 1995-2000 The Internet Software Consortium.  All rights reserved.\n";
 #endif /* not lint */
 
 #include "dhcpd.h"
@@ -423,7 +423,11 @@ ssize_t receive_packet (interface, buf, len, from, hfrom)
 				       interface -> rbuf,
 				       interface -> rbuf_max);
 			if (length <= 0) {
+#ifdef __FreeBSD__
+				if (errno == ENXIO) {
+#else
 				if (errno == EIO) {
+#endif
 					dhcp_interface_remove
 						((omapi_object_t *)interface,
 						 (omapi_object_t *)0);