On 18/02/07, Harsh Sangal <[EMAIL PROTECTED]> wrote:
I am using muscle pkcs library on a power pc MAC OS 10.4.8 . I have written
an application which dynamically loads the pkcs library and displays the
contents of the smart card. The application worked with the pkcs library
having multi-threading disabled but when I enabled multi-threading and
async_TokenEventCallback(...) in the pkcs library, the application got
itself in hung state during a call to C_FindObjectsInit(...).
While debugging, I found that at the end of C_FindObjectsInit(...),
slot_EndTransaction(session->session.slotID, MSC_LEAVE_TOKEN) has got called
after successfully reading the card contents and this function failed to
return and so the hung state occurred.
I have also observed problems with this slot_EndTransaction(...) API in some
other Smart Card applications on Macintosh upon frequent removal/insertion
of the Card, but I couldn't figure out why this API got failed, when
slot_BeginTransaction(...) and other API to read data from card succeeded.
Can any one please point out what has been wrong or suggest any workaround?
Hope to have inputs, thanks...
Are you using the PCSC framework provided by Apple or a recent
pcsc-lite (which version)?
Can you provide a sample code exhibiting the problem?
Bye,
--
Dr. Ludovic Rousseau
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