Thread-safe libraries

[Luke Howard]

>It is also worth noting, that, while Heimdal is not thread safe (at least there 
>are no guarantees), it has proven to be much more thread-robust than MIT. 
>OpenLDAP page and a couple of users have expirienced problems with MIT and 
>threaded OpenLDAP server, while Heimdal performed flawlessly.
>
>It could be that Heimdal IS thread-safe, just nobody knows for sure. :-)

The recent Heimdal snapshots have considerable improvements in the
thread safety department, and I expect these will be in 0.7 when 
it is released.

-- Luke