Re: poll

[Richard B. Johnson]

On Thu, 17 Jun 2004, Davide Libenzi wrote:

> 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
>

Thanks. That's what I wanted to hear.

Cheers,
Dick Johnson
Penguin : Linux version 2.4.26 on an i686 machine (5570.56 BogoMips).
            Note 96.31% of all statistics are fiction.


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