From: "H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
To: Grzegorz Nosek <root-AfQBxy1nhrQ00sYp1HPQUA@public.gmane.org>
Cc: containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org,
Sukadev Bhattiprolu
<sukadev-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
Alan Cox <alan-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>,
lxc-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: BUG in tty_open when using containers and ptrace
Date: Thu, 23 Jul 2009 15:11:50 -0700 [thread overview]
Message-ID: <4A68E026.1070608@zytor.com> (raw)
In-Reply-To: <20090723203329.GC16322-yp6mvK3Bdd2rDJvtcaxF/A@public.gmane.org>
Grzegorz Nosek wrote:
>
> I tried that and while it did not oops, I wasn't sure where to dput it
> back, so it leaked like a sieve. I'm probably missing something obvious
> but I couldn't find a function whose calls balanced calls to
> devpts_get_tty.
>
> BTW, what would the semantics be? I.e. what can we do with a pty that has
> its master side long gone?
>
Nothing, but as long as something is keeping the pts file entry open, it
should not be garbage-collected.
-hpa
next prev parent reply other threads:[~2009-07-23 22:11 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-12 13:45 BUG in tty_open when using containers and ptrace Môshe van der Sterre
2009-04-12 13:45 ` Môshe van der Sterre
2009-04-13 14:20 ` Serge E. Hallyn
[not found] ` <20090413142038.GB13007-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-07-04 13:28 ` Grzegorz Nosek
[not found] ` <20090704132851.GA16373-yp6mvK3Bdd2rDJvtcaxF/A@public.gmane.org>
2009-07-04 14:34 ` Grzegorz Nosek
[not found] ` <20090704143412.GA27523-yp6mvK3Bdd2rDJvtcaxF/A@public.gmane.org>
2009-07-05 12:08 ` Grzegorz Nosek
2009-07-07 3:31 ` Sukadev Bhattiprolu
[not found] ` <20090707033135.GA29461-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-07-07 7:34 ` Grzegorz Nosek
2009-07-08 10:54 ` Grzegorz Nosek
[not found] ` <20090708105417.GA16833-yp6mvK3Bdd2rDJvtcaxF/A@public.gmane.org>
2009-07-11 19:30 ` Grzegorz Nosek
[not found] ` <20090711193055.GA11303-yp6mvK3Bdd2rDJvtcaxF/A@public.gmane.org>
2009-07-11 20:01 ` Grzegorz Nosek
[not found] ` <20090711200133.GB11303-yp6mvK3Bdd2rDJvtcaxF/A@public.gmane.org>
2009-07-11 22:19 ` Alan Cox
[not found] ` <20090711231935.6ff59796-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>
2009-07-12 7:49 ` Grzegorz Nosek
[not found] ` <20090712074932.GA17291-yp6mvK3Bdd2rDJvtcaxF/A@public.gmane.org>
2009-07-13 19:02 ` Serge E. Hallyn
[not found] ` <20090713190211.GA4208-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-07-13 19:30 ` Grzegorz Nosek
[not found] ` <20090713193058.GL18617-yp6mvK3Bdd2rDJvtcaxF/A@public.gmane.org>
2009-07-13 20:26 ` Serge E. Hallyn
[not found] ` <20090713202610.GA6447-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-07-13 22:34 ` Grzegorz Nosek
[not found] ` <20090713223444.GM18617-yp6mvK3Bdd2rDJvtcaxF/A@public.gmane.org>
2009-07-14 6:49 ` Sukadev Bhattiprolu
[not found] ` <20090714064905.GA25278-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-07-14 10:31 ` Grzegorz Nosek
[not found] ` <20090714103129.GB12958-yp6mvK3Bdd2rDJvtcaxF/A@public.gmane.org>
2009-07-15 4:47 ` Sukadev Bhattiprolu
[not found] ` <20090715044744.GA25745-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-07-15 5:42 ` Grzegorz Nosek
2009-07-15 13:19 ` Grzegorz Nosek
[not found] ` <20090715131923.GB21417-yp6mvK3Bdd2rDJvtcaxF/A@public.gmane.org>
2009-07-18 20:52 ` Sukadev Bhattiprolu
[not found] ` <20090718205244.GA23625-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-07-19 7:15 ` Grzegorz Nosek
[not found] ` <20090719071531.GA20818-yp6mvK3Bdd2rDJvtcaxF/A@public.gmane.org>
2009-07-22 6:41 ` Sukadev Bhattiprolu
[not found] ` <20090722064120.GA24373-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-07-22 22:25 ` Grzegorz Nosek
[not found] ` <20090722222550.GA633-yp6mvK3Bdd2rDJvtcaxF/A@public.gmane.org>
2009-07-23 1:27 ` Sukadev Bhattiprolu
[not found] ` <20090723012733.GB27764-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-07-23 1:48 ` H. Peter Anvin
[not found] ` <4A67C187.5000201-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2009-07-23 7:47 ` Grzegorz Nosek
[not found] ` <20090723074736.GA20236-yp6mvK3Bdd2rDJvtcaxF/A@public.gmane.org>
2009-07-23 8:04 ` [lxc-devel] " Daniel Lezcano
2009-07-23 18:26 ` Grzegorz Nosek
[not found] ` <20090723182620.GA16322-yp6mvK3Bdd2rDJvtcaxF/A@public.gmane.org>
2009-07-23 19:32 ` Sukadev Bhattiprolu
[not found] ` <20090723193245.GA25662-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-07-23 20:33 ` Grzegorz Nosek
[not found] ` <20090723203329.GC16322-yp6mvK3Bdd2rDJvtcaxF/A@public.gmane.org>
2009-07-23 22:11 ` H. Peter Anvin [this message]
[not found] ` <4A68E026.1070608-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2009-07-24 7:31 ` Grzegorz Nosek
[not found] ` <20090724073158.GA2617-yp6mvK3Bdd2rDJvtcaxF/A@public.gmane.org>
2009-07-30 18:06 ` Sukadev Bhattiprolu
[not found] ` <20090730180611.GA20872-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-07-30 18:44 ` Sukadev Bhattiprolu
2009-07-31 21:58 ` Grzegorz Nosek
2009-08-07 19:08 ` Sukadev Bhattiprolu
2009-07-05 20:00 ` Môshe van der Sterre
2009-07-05 20:35 ` Grzegorz Nosek
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