Re: RES: Parallel Process with readers - pcsc-lite

So my parallellism works because the chips are all so slow one can transmit
while the others are still figuring out the next APDU? Fascinating, I'll
try and
do a timing diagram on that.


On 07/03/13 21:45, Ludovic Rousseau wrote:
> 2013/7/3 MURILO COSTA <[email protected]>:
>> I thought that maybe can be a Java problem, do you know some software to do this kind of test (parallelism) ? I'll check if pcsc-tools can do that...
> I guess it is a javax.smartcardio "limitation".
>
> You need to create one context per reader using SCardEstablishContext.
> I bet the Java wrapper creates only one context for all the readers.
> In pcsc-lite the context is associated to a mutex. So all your
> commands will block on the same mutex even if they use different
> readers.
> I don't know if is it easy or even possible to avoid this Java wrapper
> "feature".
>
>> Do you think that issue have some relationship with this Ludovic post:
>> http://ludovicrousseau.blogspot.com.br/2013/06/ccid-descriptor-statistics_7148.html
> No.
>
> Bye
>
> --
>  Dr. Ludovic Rousseau
>
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