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@ -121,8 +121,12 @@ setup_interface() {
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;;
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dhcp)
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# prevent udhcpc from starting more than once
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lock "/var/lock/dhcp-$iface"
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pid="$(cat "$pidfile" 2>/dev/null)"
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[ -d "/proc/$pid" ] && grep udhcpc "/proc/${pid}/cmdline" >/dev/null 2>/dev/null && return 0
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[ -d "/proc/$pid" ] && grep udhcpc "/proc/${pid}/cmdline" >/dev/null 2>/dev/null && {
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lock -u "/var/lock/dhcp-$iface"
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return 0
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}
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config_get ipaddr "$config" ipaddr
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config_get netmask "$config" netmask
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@ -135,6 +139,7 @@ setup_interface() {
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# don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
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[ "$proto1" != "$proto" ] && dhcpopts="-n -q"
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$DEBUG udhcpc -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} -b -p "$pidfile" ${dhcpopts:- -R &}
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lock -u "/var/lock/dhcp-$iface"
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;;
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*)
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if ( eval "type setup_interface_$proto" ) >/dev/null 2>/dev/null; then
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