From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [patch 1/1] proc connector: add event for process becoming session leader Date: Wed, 12 Aug 2009 18:02:31 -0700 Message-ID: <20090812180231.1bdebc03.akpm@linux-foundation.org> References: <200908062305.n76N5lZj005259@imap1.linux-foundation.org> <20090812.173203.35197832.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, scott@ubuntu.com, johnpol@2ka.mipt.ru, matthltc@us.ibm.com, oleg@tv-sign.ru To: David Miller Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:55504 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751054AbZHMBC7 (ORCPT ); Wed, 12 Aug 2009 21:02:59 -0400 In-Reply-To: <20090812.173203.35197832.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, 12 Aug 2009 17:32:03 -0700 (PDT) David Miller wrote: > From: akpm@linux-foundation.org > Date: Thu, 06 Aug 2009 16:05:47 -0700 > > > From: Scott James Remnant > > > > The act of a process becoming a session leader is a useful signal to a > > supervising init daemon such as Upstart. > > > > While a daemon will normally do this as part of the process of becoming a > > daemon, it is rare for its children to do so. When the children do, it is > > nearly always a sign that the child should be considered detached from the > > parent and not supervised along with it. > > > > The poster-child example is OpenSSH; the per-login children call setsid() > > so that they may control the pty connected to them. If the primary daemon > > dies or is restarted, we do not want to consider the per-login children > > and want to respawn the primary daemon without killing the children. > > > > This patch adds a new PROC_SID_EVENT and associated structure to the > > proc_event event_data union, it arranges for this to be emitted when the > > special PIDTYPE_SID pid is set. > > > > [akpm@linux-foundation.org: coding-style fixes] > > Signed-off-by: Scott James Remnant > > Acked-by: Matt Helsley > > Cc: Oleg Nesterov > > Cc: Evgeniy Polyakov > > Cc: "David S. Miller" > > Signed-off-by: Andrew Morton > > Acked-by: David S. Miller Ta. > This is more process handling level stuff than actual networking > or connector bits, so it should probably be merged via akpm's > usual patch bombs or some other relevant tree. > > Andrew, if you really want, I can take this into net-next-2.6 No probs, I'll send it for 2.6.32-rc1.