Re: /dev/vcs - poll for changes?

From: Andi Kleen
Date: Sat Apr 18 2009 - 04:12:12 EST


"Phil Endecott" <phil_wueww_endecott@xxxxxxxxxxxx> writes:

> Dear Experts,
>
> Is there a way to detect when the content of a /dev/vcs* has changed?
> I have some code that currently polls, which is obviously sub-optimal.
> I was hoping that there would be some trick like look at the
> modification time, but I haven't found anything. If this isn't
> currently possible, how easily could it be added? What would the
> preferred API be, if it were added?

The first question would be: why do you want to do this?

-Andi

--
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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