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Date:      Mon, 2 Feb 2009 15:33:22 +0000 (UTC)
From:      Mike Makonnen <mtm@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r188009 - head/etc/rc.d
Message-ID:  <200902021533.n12FXMHC000481@svn.freebsd.org>

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Author: mtm
Date: Mon Feb  2 15:33:22 2009
New Revision: 188009
URL: http://svn.freebsd.org/changeset/base/188009

Log:
  The 30 second wait for network interfaces to show up effectively makes the
  time to boot an unplugged system 30 sec. longer for no good reason. Therefore,
  add a check to make sure that any DHCP interfaces are plugged in before
  waiting.

Modified:
  head/etc/rc.d/defaultroute

Modified: head/etc/rc.d/defaultroute
==============================================================================
--- head/etc/rc.d/defaultroute	Mon Feb  2 14:30:07 2009	(r188008)
+++ head/etc/rc.d/defaultroute	Mon Feb  2 15:33:22 2009	(r188009)
@@ -18,10 +18,21 @@ stop_cmd=":"
 
 defaultroute_start()
 {
-	# Return without waiting if we don't have dhcp interfaces.
-	# Once we can test that the link is actually up, we should
-	# remove this test and always wait.
-	[ -z "`list_net_interfaces dhcp`" ] && return
+	local output carrier nocarrier
+
+	# Return without waiting if we don't have dhcp interfaces or
+	# if none of the dhcp interfaces is plugged in.
+	dhcp_interfaces=`list_net_interfaces dhcp`
+	[ -z "${dhcp_interfaces}" ] && return
+	carrier=false
+	for _if in ${dhcp_interfaces}; do
+		output=`/sbin/ifconfig ${_if}` 
+		nocarrier=`expr "${output}" : '.*[[:blank:]]status: \(no carrier\)'`
+		[ -z "${nocarrier}" ] && carrier=true
+	done
+	if ! ${carrier}; then
+		return
+	fi
 
 	# Wait for a default route
 	delay=${if_up_delay}



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