2016-09-23 11:03 GMT+02:00 Abraham Macias Paredes <[email protected]>:
> Hi PCSC lite Project people, > Hello, > I’m developing a software that must work in Windows and Linux. And I found > a difference between Windows PCSC API and “pcsc-lite” that may be a bug. > > > > The software has several threads. In a thread a “SCardGetStatusChange” is > performed and it locks until there is a change in the status. > > When another thread performs a “SCardConnect”, in Windows the > “SCardGetStatusChange” call returns with the “SCARD_STATE_INUSE” flag > activated. But in Linux the thread continues locked at > “SCardGetStatusChange”. > > > > *Windows trace:* > > > > Thread 1: SmartCard SCardGetStatusChange(context: CD00000100000000, > timeout: ffffffff) > > Thread 1: atr = 3b 7f ffffff96 0 0 0 6a 46 4e 4d 54 3 4 11 43 4 30 3 > ffffff90 0 > > Thread 1: [0] Dell Smart Card Reader Keyboard 0 > > Thread 1: user: null, state: 0xb0420, event: 0xb0422 > > Thread 2: SmartCard SCardConnect(context: CD00000100000001, share: 2, > proto: 3, reader: 'Dell Smart Card Reader Keyboard 0') > > Thread 1: -> [0] Dell Smart Card Reader Keyboard 0 > > Thread 1: -> user: null, state: 0xb0420, event: 0xb0122 > > > > > > Thread 2: SmartCard Connect successful: 1 hCard: EA00000100000000 > > > > *Linux trace:* > > > > Thread 1: SmartCard SCardGetStatusChange(context: CD00000100000000, > timeout: ffffffff) > > Thread 1: atr = 3b 7f ffffff96 0 0 0 6a 46 4e 4d 54 3 4 11 43 4 30 3 > ffffff90 0 > > Thread 1: [0] Dell Smart Card Reader Keyboard 0 > > Thread 1: user: null, state: 0x20, event: 0x22 > > Thread 2: SmartCard SCardConnect(context: CD00000100000001, share: 2, > proto: 3, reader: 'Dell Smart Card Reader Keyboard 0') > > Thread 2: SmartCard Connect successful: 1 hCard: EA00000100000000 > > > > If I use another thread to perform another “SCardGetStatusChange”, the > status shows the “SCARD_STATE_INUSE” flag activated, but the first thread > is still locked. > Can you share your sample code with us? Thanks -- Dr. Ludovic Rousseau
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