From: Greg Kurz <gkurz@fr.ibm.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Bryan Donlan <bdonlan@gmail.com>,
akpm@linux-foundation.org, containers@lists.osdl.org,
linux-kernel@vger.kernel.org, serge@hallyn.com,
daniel.lezcano@free.fr, oleg@redhat.com, xemul@openvz.org,
Cedric Le Goater <clg@vnet.ibm.com>
Subject: Re: [PATCH] Introduce ActivePid: in /proc/self/status (v2, was Vpid:)
Date: Thu, 23 Jun 2011 15:43:05 +0200 [thread overview]
Message-ID: <1308836585.2959.89.camel@bahia.local> (raw)
In-Reply-To: <m1oc1pl6t1.fsf@fess.ebiederm.org>
On Wed, 2011-06-22 at 17:39 -0700, Eric W. Biederman wrote:
> I was suggesting implement rt_sigqueueinfo_fd as a proc file instead.
>
> Getting a file descriptor api one way or another for delivering signals
> sounds nice in principle. I don't know if it is useful enough to
> justify the cost of implementing and supporting it.
>
That's my concern: it will take some time to work it out and push it. In
comparison, ActivePid: has no support overhead and is enough for
userland code to relate pids betwen parent and child namespaces.
Mitigating the race with pids is cool but it is another topic IMHO.
Thanks.
--
Gregory Kurz gkurz@fr.ibm.com
Software Engineer @ IBM/Meiosys http://www.ibm.com
Tel +33 (0)534 638 479 Fax +33 (0)561 400 420
"Anarchy is about taking complete responsibility for yourself."
Alan Moore.
next prev parent reply other threads:[~2011-06-23 13:43 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-15 14:55 Greg Kurz
2011-06-15 18:46 ` Oleg Nesterov
2011-06-15 19:08 ` Eric W. Biederman
2011-06-16 11:01 ` Greg Kurz
2011-06-16 12:35 ` Louis Rilling
2011-06-16 13:00 ` Greg Kurz
2011-06-16 13:18 ` Oleg Nesterov
2011-06-16 13:25 ` Louis Rilling
2011-06-16 14:51 ` Oleg Nesterov
2011-06-16 15:08 ` Louis Rilling
2011-06-16 15:01 ` Greg Kurz
2011-06-16 15:27 ` Louis Rilling
2011-06-16 12:42 ` Oleg Nesterov
2011-06-15 19:03 ` Oleg Nesterov
2011-06-16 11:19 ` Greg Kurz
2011-06-16 12:25 ` Cedric Le Goater
2011-06-16 13:06 ` Oleg Nesterov
2011-06-16 14:25 ` Cedric Le Goater
2011-06-16 15:22 ` Eric W. Biederman
2011-06-16 16:22 ` Oleg Nesterov
2011-06-16 15:07 ` Eric W. Biederman
2011-06-16 15:33 ` Greg Kurz
2011-06-16 16:12 ` Oleg Nesterov
2011-06-16 12:52 ` Oleg Nesterov
2011-06-16 17:54 ` Bryan Donlan
2011-06-20 11:45 ` Greg Kurz
2011-06-20 17:37 ` Bryan Donlan
2011-06-20 22:44 ` Eric W. Biederman
2011-06-22 15:29 ` Greg Kurz
2011-06-23 0:39 ` Eric W. Biederman
2011-06-23 13:43 ` Greg Kurz [this message]
2011-06-23 14:37 ` Serge Hallyn
2011-06-22 15:00 ` Greg Kurz
2011-06-22 16:56 ` Bryan Donlan
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