use lock to remove race conditions in bringing up ppp and dhcp that would lead to...
authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Thu, 26 Oct 2006 01:33:36 +0000 (01:33 +0000)
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Thu, 26 Oct 2006 01:33:36 +0000 (01:33 +0000)
commit0d67238dc68a0d410c484064e2eccb1808df94ac
treeb26a16748dffb5ff899a9e14eb1de3f00b938cf1
parent81ddc1b91ccffce0d0be47c55f9b50115f5a6869
use lock to remove race conditions in bringing up ppp and dhcp that would lead to multiple active processes

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5298 3c298f89-4303-0410-b956-a3cf2f4a3e73
package/base-files/default/lib/network/config.sh
package/base-files/default/sbin/ifdown
package/ppp/files/ppp.sh