Move kill-dhclient to netroot

We need to kill dhclient before calling switch_root. But doing it in pre-pivot slows down netroot if we are trying do acquire dhcp addresses from multiple interfaces.

If, for example, we have two interfaces and the first one succeeds in acquiring an address and mounts, the second interface might still be trying to acquire an address. Which means that udevadm settle is waiting for the timeout to occur.

Killing all running dhclients in netroot after a successful mount solves this.

index 0b76cbd..3014d18 100755
@@ -18,7 +18,6 @@ instmods ecb arc4

inst_hook pre-udev 60 "$moddir/net-genrules.sh" inst_hook cmdline 91 "$moddir/dhcp-root.sh" inst_hook cmdline 99 "$moddir/parse-ip-opts.sh" -inst_hook pre-pivot 10 "$moddir/kill-dhclient.sh"

# TODO ifcfg config style is redhat specific, this should probably

# go into its own module at one time

deleted file mode 100755
index 54b3344..0000000
@@ -1,7 +0,0 @@
-#!/bin/sh
-
-for f in /tmp/dhclient.*.pid; do
-    [ -e $f ] || continue
-    read PID < $f;
-    kill $PID;
-done

index 81b99f7..2356b9e 100755
@@ -108,6 +108,10 @@ if $handler $netif $netroot $NEWROOT; then
       [ -f /tmp/dhclient.$iface.dhcpopts ] && cp /tmp/dhclient.$iface.dhcpopts /tmp/net.$ifa
    done
 
+    # We have root, so we don't need any running dhclients anymore. +    # This frees the udev event queue as well
+    [ -n "$(pidof dhclient)" ] && kill $(pidof dhclient)
+
    # Save used netif for later use
    [ ! -f /tmp/net.ifaces ] && echo $netif > /tmp/net.ifaces

else --
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