From: Ben Greear <greearb@candelatech.com>
To: root@chaos.analogic.com
Cc: Linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: poll
Date: Thu, 17 Jun 2004 15:34:54 -0700 [thread overview]
Message-ID: <40D21C8E.4040500@candelatech.com> (raw)
In-Reply-To: <Pine.LNX.4.53.0406170954190.702@chaos>
Richard B. Johnson wrote:
> Hello,
> Is it okay to use the 'extra' bits in the poll return value for
> something? In other words, is the kernel going to allow a user-space
> program to define some poll-bits that it waits for, these bits
> having been used in the driver?
Can't you just do a read and determine from the results of the read
what you actually got? If not, add framing to your message so that
you *CAN* determine one message type from another...
Ben
--
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc http://www.candelatech.com
next prev parent reply other threads:[~2004-06-17 22:35 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 ` Ben Greear [this message]
2004-06-18 0:19 ` poll Richard B. Johnson
2004-06-18 0:32 ` poll Davide Libenzi
2004-06-18 0:42 ` poll Richard B. Johnson
2004-06-18 2:24 ` poll Ben Greear
2004-06-18 11:22 ` poll Richard B. Johnson
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