Use /var/run/milter/milter.pid if available.

milter.rc

@@ -46,8 +46,32 @@ start() {
 stop() {
 	# Stop daemons.
 	echo -n "Shutting down $prog: "
+        # Find pid.
+        pid=
+        base="milter"
+        if [ -f /var/run/milter/milter.pid ]; then
+                local line p
+                read line < /var/run/milter/milter.pid
+                for p in $line ; do
+                        [ -z "${p//[0-9]/}" -a -d "/proc/$p" ] && pid="$pid $p"
+                done
+        fi
+        if test -n "$pid"; then
+          checkpid $pid && kill "$pid"
+          for i in 1 2 3 4 5 6 7 8 9 0; do
+            checkpid $pid && sleep 2 || break
+          done
+          if checkpid $pid; then
+            failure $"$base shutdown"
+            RETVAL=1
+          else
+            success $"$base shutdown"
+            RETVAL=0
+          fi
+        else
 	  killproc -d 9 milter
 	  RETVAL=$?
+        fi
 	echo
 	[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/milter
 	return $RETVAL