[ECOS] Re: Waiting I/O operation
cetoni GmbH - Uwe Kindler
Thu Jul 19 08:47:00 GMT 2007
In my opinion you should go with the second thread solution. If you use
callbacks, then this callback will be called from the CAN I/O driver in
DSR context. If your thread waits for multiple events then you need to
use flags to signal the received CAN event.
I don't know if it is allowed to use flags from within DSRs but I
believe you can not use them and then also a callback solution would not
solve your problem. Your callback would need to wakup a "service thread"
that would signal the flag to the waiting thread - but then you would
also need two threads.
Or what would you do in this callback to wake up the thead - maybe I
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