adding example runit-style service directory

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

examples/var_service/fw/etc/resolv.conf

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+domain=`(. /boot.conf; echo "$DNSDOMAINNAME") 2>/dev/null`
+
+echo "# This file is automagically regenerated with each boot"
+echo
+test "$domain" && echo "domain $domain"
+test "$domain" && echo "search $domain"
+echo
+echo "# Note that nslookup can choke on DNS server which itself"
+echo "# does NOT have domain name. Other things can work fine."
+echo
+# # If we run DNS cache:
+# echo "nameserver 127.0.0.1"
+# exit
+
+prio=0
+i=0; while test "${if[$i]}"; do
+    test x"${dns_prio[$i]}" != x"" \
+    && test "${dns_prio[$i]}" -gt "$prio" \
+    && prio="${dns_prio[$i]}"
+let i++; done
+
+i=0; while test "${if[$i]}"; do
+    for d in ${dns[$i]}; do
+	p="${dns_prio[$i]}"
+	test x"$p" == x"" && p=0
+	test x"$p" == x"$prio" || continue
+	echo "nameserver $d"
+    done
+let i++; done