From: Jean Tourrilhes <jt@bougret.hpl.hp.com>
To: Marcel Holtmann <marcel@holtmann.org>
Cc: Max Krasnyansky <maxk@qualcomm.com>,
BlueZ Mailing List <bluez-devel@lists.sourceforge.net>
Subject: Re: L2CAP non-blocking socket nasty race conditions
Date: Wed, 4 Feb 2004 18:26:35 -0800 [thread overview]
Message-ID: <20040205022635.GA24757@bougret.hpl.hp.com> (raw)
In-Reply-To: <1075947705.2783.117.camel@pegasus>
On Thu, Feb 05, 2004 at 03:21:46AM +0100, Marcel Holtmann wrote:
> Hi Jean,
>
> right now I don't see an easy way out of it.
I told you ;-) That's why I didn't send a patch.
> What I am thinking is that
> if our socket is BT_LISTEN, we check for an not empty accept_q and than
> iterate through all sockets for BT_CONNECTED. If we found one, we return
> POLLIN else nothing.
This is a bit yucky, especially that poll is performance
critical (for scalability). That's why I was suggesting the socket
counter in the parent. Check what's sk_ack_backlog does, it's very
close to what we want.
> Regards
>
> Marcel
Jean
next prev parent reply other threads:[~2004-02-05 2:26 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-04 1:58 L2CAP non-blocking socket nasty race conditions Jean Tourrilhes
2004-02-04 7:17 ` [Bluez-devel] " Marcel Holtmann
2004-02-04 17:58 ` Jean Tourrilhes
2004-02-04 19:58 ` [Bluez-devel] " Marcel Holtmann
2004-02-04 21:45 ` Jean Tourrilhes
2004-02-05 1:00 ` [Bluez-devel] " Marcel Holtmann
2004-02-05 1:11 ` Jean Tourrilhes
2004-02-05 1:30 ` [Bluez-devel] " Marcel Holtmann
2004-02-05 1:40 ` Jean Tourrilhes
2004-02-05 2:21 ` [Bluez-devel] " Marcel Holtmann
2004-02-05 2:26 ` Jean Tourrilhes [this message]
2004-02-05 2:36 ` Marcel Holtmann
2004-02-05 2:42 ` Jean Tourrilhes
2004-02-05 3:30 ` Jean Tourrilhes
2004-02-05 13:49 ` [Bluez-devel] " Marcel Holtmann
2004-02-05 17:19 ` Jean Tourrilhes
2004-02-05 18:17 ` [Bluez-devel] " Marcel Holtmann
2004-02-05 23:13 ` Jean Tourrilhes
2004-02-05 23:37 ` [Bluez-devel] " Marcel Holtmann
2004-02-05 23:43 ` Jean Tourrilhes
2004-02-04 11:23 ` [Bluez-devel] bluez & qos Mauro Tortonesi
2004-02-04 11:36 ` Marcel Holtmann
2004-02-04 17:46 ` [Bluez-devel] " Jean Tourrilhes
2004-02-05 10:46 ` Mauro Tortonesi
2004-02-05 17:22 ` Jean Tourrilhes
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