From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43)
	id 1KLwhr-0007Oa-GE
	for qemu-devel@nongnu.org; Thu, 24 Jul 2008 05:01:51 -0400
Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43)
	id 1KLwhp-0007NH-PQ
	for qemu-devel@nongnu.org; Thu, 24 Jul 2008 05:01:51 -0400
Received: from [199.232.76.173] (port=42251 helo=monty-python.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1KLwhp-0007NC-FY
	for qemu-devel@nongnu.org; Thu, 24 Jul 2008 05:01:49 -0400
Received: from mail2.shareable.org ([80.68.89.115]:48649)
	by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32)
	(Exim 4.60) (envelope-from <jamie@shareable.org>) id 1KLwhp-00019a-St
	for qemu-devel@nongnu.org; Thu, 24 Jul 2008 05:01:50 -0400
Received: from jamie by mail2.shareable.org with local (Exim 4.63)
	(envelope-from <jamie@shareable.org>) id 1KLx3L-0002UH-MJ
	for qemu-devel@nongnu.org; Thu, 24 Jul 2008 10:24:03 +0100
Date: Thu, 24 Jul 2008 10:24:03 +0100
From: Jamie Lokier <jamie@shareable.org>
Subject: Re: [Qemu-devel] [PATCH 2/3] Always use
	nonblocking	mode	for	qemu_chr_open_fd.
Message-ID: <20080724092403.GA9545@shareable.org>
References: <48871A7E.5030501@redhat.com> <20080723121510.GJ2291@redhat.com>
	<48872979.4050107@redhat.com> <48873F17.4030101@redhat.com>
	<48874D4A.8000604@codemonkey.ws> <20080723153133.GL2291@redhat.com>
	<48874F0B.3040609@codemonkey.ws> <4887598B.8070405@redhat.com>
	<48875D48.8030906@codemonkey.ws> <48883543.3070509@redhat.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <48883543.3070509@redhat.com>
Reply-To: qemu-devel@nongnu.org
List-Id: qemu-devel.nongnu.org
List-Unsubscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/pipermail/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: qemu-devel@nongnu.org

Gerd Hoffmann wrote:
>   (2) Run ptys in non-blocking mode.  Drawback: we risk loosing data
>       in case the pty reader is slow (also when nobody is connected of
>       course, but that is intentional ...).

(4) Run ptys in non-blocking mode, but use a small output buffer in
    QEMU so nothing is lost.  It's not that hard.

-- Jamie