> How I can check, that I use a client DLL (gds32.dll) in thread safe?
> If not in thread-safe, how make in safe-mode?
>
> I try sample in Samples, but these examples do not work, the
> application is blocked (freezes) nothing also occurs: (
>
> Is it mean, non-safe thread?
>

the client library is not thread safe. You need a separate connection for
each thread to make it safe. Or you need to ensure that no 2 threads use the
same connection simultaneously
Alan