> I am new to linux, my requirement is I have to send
> data from kernel to a process and it should be
> asyncronous, ie, process will be doing something and
> when the kernerl receives data from I/O ports, (UART
> in our case) it has to inform the process. It would be
> great if you can send the sample code. I am trying out
> the signal, but it is not working.

I suggest you try threads.



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