Hello,

I have verified the problems and it works fine now.
Thanks for the fix.

Regards,
Reinhard

On Wed, Feb 9, 2011 at 3:00 PM, Ludovic Rousseau <[email protected]
> wrote:

> 2010/6/29 Reinhard Steiner <[email protected]>:
> > Hello,
>
> Hi,
>
> > It seems that there is an issue in pcsc-lite when using transactions in
> > multiple threads. It is possible to destroy a transaction of another card
> > handle.
> > This was tested with pcsc-lite 1.5.3 and 1.6.1.
> >
> > See the following pseudo calls (connect to the same smart card):
> >
> > Thread1:
> >  - SCardEstablishContext (ctx1)
> >  - SCardConnect (hcard1)
> >
> > Thread2:
> >  - SCardEstablishContext (ctx2)
> >  - SCardConnect (hcard2)
> >  - SCardBeginTransaction (hcard2)
> >
> > Thread1:
> >  - SCardDisconnect (hcard1, SCARD_LEAVE_CARD) -> returns
> > SCARD_E_SHARING_VIOLATION (this is the first error, there should be no
> > sharing violation when using SCARD_LEAVE_CARD. This works fine on the
> > Windows PCSC)
> >  - SCardReleaseContext (ctx1) -> Releases the context. This context owns
> the
> > card handle hcard1 which could not be disconnected due to the sharing
> > violation. But during cleanup of this handle, it destroys the transaction
> of
> > hcard2.
> >
> > Thread2:
> >  - SCardTransmit (hcard2) -> SCARD_E_SHARING_VIOLATION -> expected would
> be
> > that this call works
>
> These problems should be fixed in revisions 5572 and 5574.
> Can you use the pcsc-lite snapshot available at [1] and confirm the
> problems you had are now solved?
>
> And sorry for the delay. 8 months to fix a bug is not nice.
>
> Bye
>
> [1] http://ludovic.rousseau.free.fr/softwares/pcsc-lite/
>
> --
>  Dr. Ludovic Rousseau
>
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