memo about a possible bug

git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@1819 e5f2f494-b856-4b98-b285-d166d9295462

src/bin/xfrin/TODO

@@ -1 +1,3 @@
-1. When xfrin's config data is changed, new config data should be applied.
+1. When xfrin's config data is changed, new config data should be applied.
+2. mutex on recorder is not sufficient.  race can happen if two xfrin requests
+   occur at the same time.  (but testing it would be very difficult)