Re: poll

From: Davide Libenzi
Date: Thu Jun 17 2004 - 19:35:06 EST


On Thu, 17 Jun 2004, Richard B. Johnson wrote:

> This all works fine-and-dandy with kernel 2.4.26. However, Linux
> has a history of removing availability of undefined things.

It'd work just fine in 2.6. The poll infrastructure is just a proxy to the
event core, and shouldn't mask anything. Your driver's f_op->poll will
return a mask, and this will be and'ed with the mask that you pass to poll(2).
Non-zero results will be reported to you. Just do not use bits 30 and 31
if you want it to work with epoll.



- Davide

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