You're right. If UDF uses memory allocation, it may have problems with
multithreaded applications.
I guess there are workarounds to avoid these problems with free pascal.

On Wed, Jun 10, 2009 at 10:17, Anderson Farias<peixedragao@...> wrote:
>
>
> Hi,
>
>>UDFs needs to be multithreaded? I guess they're only ordinary
>>functions. There's no global variables that need synchronization.
>
> Sorry. I meant they may have problems when used by multithreaded apps. But I
> must have misinterpreted the folowing thread:
>
> http://community.freepascal.org:10000/bboards/message?message_id=227644&forum_id=24083
>
> Regards,
> Anderson Farias
>
>