From: "Richard B. Johnson" <root@chaos.analogic.com>
To: Davide Libenzi <davidel@xmailserver.org>
Cc: Ben Greear <greearb@candelatech.com>,
Linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: poll
Date: Thu, 17 Jun 2004 20:42:16 -0400 (EDT) [thread overview]
Message-ID: <Pine.LNX.4.53.0406172041150.3581@chaos> (raw)
In-Reply-To: <Pine.LNX.4.58.0406171726000.24496@bigblue.dev.mdolabs.com>
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.
next prev parent reply other threads:[~2004-06-18 0:42 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-17 14:05 poll Richard B. Johnson
2004-06-17 22:34 ` poll Ben Greear
2004-06-18 0:19 ` poll Richard B. Johnson
2004-06-18 0:32 ` poll Davide Libenzi
2004-06-18 0:42 ` Richard B. Johnson [this message]
2004-06-18 2:24 ` poll Ben Greear
2004-06-18 11:22 ` poll Richard B. Johnson
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