Hi Vlad,

>> Can someone let me know if the following is thread-safe:
>>
>> - a client library from Firebird version 1, 1.5, 2 or 2.1
>> - using a connection per thread
>> - executing calls via multiple threads
>
> Add also: protect attach\detach calls with common mutex.

You mean that connect/disconnect cannot be done while another
thread is already waiting for the API to return, right?

> Regards,
> Vlad
>
> PS v2.5 client should be free from the limitations above, you surely know
> it :)

Yes.

With regards,

Martijn Tonies
Upscene Productions
http://www.upscene.com

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