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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20040205022635.GA24757@bougret.hpl.hp.com \
--to=jt@bougret.hpl.hp.com \
--cc=bluez-devel@lists.sourceforge.net \
--cc=jt@hpl.hp.com \
--cc=marcel@holtmann.org \
--cc=maxk@qualcomm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).