From: Ludovic Rousseau (ludovic.rousseaugmail.com)
Date: Mon Feb 08 2010 - 07:42:00 CST

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2010/2/8 Martin Vogt <martin.vogtitwm.fraunhofer.de>:
> Ludovic Rousseau wrote:
>> Can you explain why you need to patch testpcsc?
>> Why do you want to add a timeout?
>
> My idea was to automatically monitor the correct
> behaviour of the reader.
> I run a script and it checks for example if a card is present
> etc. (it blocks forever without this patch)
>
> For this I modified testpcsc, if everything is green, fine
> otherwise eg. ->mail.
> But then I noticed that the test program disconnects my running
> sessions, which makes the idea to monitor anything useless...
> The disconnect is triggered by SCardReconnect/SCardDisconnect
> so maybe I drop that call too.....

testpcsc uses:
SCardDisconnect(hCard, SCARD_UNPOWER_CARD);

What you want is:
SCardDisconnect(hCard, SCARD_LEAVE_CARD);

See [1].

But you should write your own program. testpcsc does many things you
do not want.

> PS: I saw that the latest svn got rid of the SHM interface and uses
> sockets, very nice. This opens the possibility to make pcsc available
> over network easier than before.(I already thought about doing this...)

That was one of the motivations for removing the shared memory.

Bye

[1] http://pcsclite.alioth.debian.org/api/group__API.html#ga4be198045c73ec0deb79e66c0ca1738a

--
 Dr. Ludovic Rousseau
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