Le 20/07/2011 19:04, Ludovic Rousseau a écrit :
> 2011/7/19 Viktor Tarasov<viktor.tara...@gmail.com>:
>> Le 18/07/2011 14:52, Ludovic Rousseau a écrit :
>>> 2011/7/10 Viktor Tarasov<viktor.tara...@gmail.com>:
>>>> Hi,
>>> Hello,
>>>
>>>> there is patch proposal to treat properly the 'detach token(reader)'
>>>> event
>>>> and to remove the slots associated to the removed token.
>>>>
>>>> Tested in Linux and windows.
>>>> 'SCardGetStatusChange' have different behavior in Linux and Windows.
>>>> Needs to be studied and validated for Mac.
>>>>
>>>>
>>>> https://github.com/viktorTarasov/OpenSC/commit/62bda63bd66c4849c0ca4303a9682fb6f6bacd7d
>>>   /* When token is hot-unplugged:
>>>    * - in Linux (pcsc-lite)
>>>    * -- SCardGetStatusChange returns OK;
>>>    * -- current reader state is 'UNKNOWN';
>>>    * -- 'Refresh-attributes' returns 'SC_ERROR_READER_DETACHED'.
>>>    *
>>>    * - in Windows (WinSCard):
>>>    * -- SCardGetStatusChange failes with SCARD_E_NO_READERS_AVAILABLE;
>>>    * -- 'Refresh-attributes' returns 'SC_ERROR_NO_READERS_FOUND'.
>>>    *
>>>    * - FIXME: Mac?
>>>    */
>>>
>>> I just checked on Mac OS X 10.6.8 (Snow Leopard) and I have nearly the
>>> same result as on GNU/Linux.
>>> On GNU/Linux : new state is 14 =>    ['Changed', 'Unknown', 'Unavailable']
>>> On Mac OS X : new state is 6 =>    ['Changed', 'Unknown]
>>>
>>> On Windows, do you also get the error SCARD_E_NO_READERS_AVAILABLE
>>> when you use TWO readers in the SCardGetStatusChange() call?
>> I do not completely follow.
>>
>> SCardGetStatusChange is called by refresh_attributes(sc_reader_t *reader).
>> In this context there is only one reader.
> The question was about SCardGetStatusChange() on Windows in general
> not just its use by OpenSC.
>
> I will do the test myself.


I honestly tried to do it, installed Pyton on windows, tried to run your script.
It gave syntax error on 'print' command. I don't know Pyton and postponed 'C' 
test program until the weeked.
That's why such answer.


> Thanks
>

Regards,
Viktor.

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