Re: Calling functions within interrupt handler

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--- rahulrv@vsnl.net wrote:
> 
> Hi,
> 	I`m modifying a network device driver. It handles recieved packets
> by generating interrupts and there is an interrupt handler
> procedure within the driver. I need to call my own function within
> this interrupt handler. Just calling the function does not seem to
> work. Declaring my function inline does not help as the compiler
> seems to find it too large to insert as inline. using a compiler
> option to force expansion of inline functions is not allowed with
> the other compilation options used for compilation of the driver. I
> need to be able to call my function wihtin the interrupt handling
> routine.
> Thanx in advance,
> ~Rahul

AFAIK, there is nothing to prevent you from making a function call
from within your interrupt handler, although, depending upon what you
are doing, it may be considered rude.  Consider scheduling a tasklet
instead.

There are some restrictions upon interrupt handlers; see
http://www.xml.com/ldd/chapter/book/ch09.html#t4

Harmony,

--Christine


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