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From: Chris Wright <chrisw@osdl.org>
To: Ulrich Drepper <drepper@gmail.com>
Cc: Brent Casavant <bcasavan@sgi.com>, linux-kernel@vger.kernel.org
Subject: Re: Pollable Semaphores
Date: Fri, 21 Jan 2005 21:52:03 -0800	[thread overview]
Message-ID: <20050121215203.S469@build.pdx.osdl.net> (raw)
In-Reply-To: <a36005b5050121194377026f39@mail.gmail.com>; from drepper@gmail.com on Fri, Jan 21, 2005 at 07:43:05PM -0800

* Ulrich Drepper (drepper@gmail.com) wrote:
> And is another thing to consider.  There is at least one other event
> which should be pollable: process (maybe threads) deaths.  I was
> hoping that we get support for this, perhaps in the form of polling
> the /proc/PID directory.  For poll(), a POLLERR value could mean the
> process/thread died.  For select(), once again a  bit in the except
> array could be set.

I have a simple patch that does just that.  It worked after brief testing,
then I never went back to look at it any more.  I'll see if I can't dig
it up, maybe it's useful.

thanks,
-chris
-- 
Linux Security Modules     http://lsm.immunix.org     http://lsm.bkbits.net

  reply	other threads:[~2005-01-22  5:52 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-01-21 21:22 Pollable Semaphores Brandon Corey
2005-01-21 21:37 ` Roland Dreier
2005-01-21 23:17   ` Brent Casavant
2005-01-22  3:43     ` Ulrich Drepper
2005-01-22  5:52       ` Chris Wright [this message]
2005-01-22  7:05         ` Chris Wright
2005-01-22  7:39           ` Ulrich Drepper
2005-01-22 18:02             ` Chris Wright
2005-01-24 20:42       ` Robert White
2005-01-22  0:07 ` Davide Libenzi

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