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From: Oleg Nesterov <oleg@redhat.com>
To: Roland McGrath <roland@redhat.com>
Cc: Jan Kratochvil <jan.kratochvil@redhat.com>,
	Project Archer <archer@sourceware.org>
Subject: Re: ptrace improvement: PTRACE_O_INHERIT
Date: Wed, 16 Feb 2011 20:32:00 -0000	[thread overview]
Message-ID: <20110216202354.GA18694@redhat.com> (raw)
In-Reply-To: <20110216200714.C420A18020E@magilla.sf.frob.com>

On 02/16, Roland McGrath wrote:
>
> > Could you spell please?
>
> Say a debugger has two threads.
>
> Thread A calls wait*.
> Thread B calls PTRACE_DETACH.
>
> Thread A can perceive a wait result from tracee T to be simultaneous with,
> or after, thread B has detached from T.

Ah, yes, sure.

I thought you meant that do_wait() (in kernel) can somehow see the
tracee after it was already detached.

Thanks.

Oleg.

  reply	other threads:[~2011-02-16 20:32 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-03 22:39 ptrace improvement ideas Roland McGrath
2011-02-04 18:56 ` Oleg Nesterov
2011-02-04 18:58   ` Roland McGrath
2011-02-07 21:11 ` Jan Kratochvil
2011-02-08  1:58   ` Roland McGrath
2011-02-08 20:41     ` Jan Kratochvil
2011-02-09  2:48       ` Roland McGrath
2011-02-08 21:07     ` Oleg Nesterov
2011-02-08 23:18       ` hw_breakpoint userland interface Roland McGrath
2011-02-10 21:03         ` Oleg Nesterov
2011-02-10 21:14           ` Roland McGrath
2011-02-11 20:17             ` Oleg Nesterov
2011-02-10 20:00 ` ptrace improvement: PTRACE_O_INHERIT Oleg Nesterov
2011-02-11 19:24   ` Roland McGrath
2011-02-11 20:46     ` Oleg Nesterov
2011-02-12  0:59       ` Roland McGrath
2011-02-12 19:11         ` Oleg Nesterov
2011-02-14 19:31           ` Roland McGrath
2011-02-14 19:46             ` Oleg Nesterov
2011-02-15  0:36               ` Roland McGrath
2011-02-15 13:16                 ` Oleg Nesterov
2011-02-15 21:43                   ` Jan Kratochvil
2011-02-15 21:56                     ` Roland McGrath
2011-02-16 19:42                       ` Oleg Nesterov
2011-02-16 19:45                         ` Roland McGrath
2011-02-16 20:09                           ` Oleg Nesterov
2011-02-16 20:16                             ` Roland McGrath
2011-02-19 19:48                             ` Jan Kratochvil
2011-02-19 20:37                               ` Oleg Nesterov
2011-02-20  8:18                                 ` Jan Kratochvil
2011-02-20 21:05                                   ` Oleg Nesterov
2011-02-21 19:54                                 ` Roland McGrath
2011-02-22 19:39                                   ` Oleg Nesterov
2011-02-22 20:49                                     ` Roland McGrath
2011-02-22 21:10                                       ` Oleg Nesterov
2011-02-22 22:16                                         ` Roland McGrath
2011-02-21 19:44                               ` Roland McGrath
2011-02-15 22:02                     ` Roland McGrath
2011-02-16 16:02                       ` Jan Kratochvil
2011-02-16 18:28                         ` Roland McGrath
2011-02-16 20:00                           ` Oleg Nesterov
2011-02-16 20:07                             ` Roland McGrath
2011-02-16 20:32                               ` Oleg Nesterov [this message]
2011-02-16 19:48                       ` Oleg Nesterov
2011-02-16 20:02                         ` Roland McGrath
2011-02-16 20:15                           ` Oleg Nesterov
2011-02-16 20:31                             ` Roland McGrath
2011-02-16 21:04                               ` Oleg Nesterov
2011-02-16 21:51                                 ` Roland McGrath
2011-02-16 19:38                     ` Oleg Nesterov
2011-02-16 19:40                       ` Roland McGrath
2011-02-15 22:17                   ` Roland McGrath
2011-02-16 20:48                     ` Oleg Nesterov
2011-02-16 11:31 ` ptrace improvement ideas (QPassSignals) Jan Kratochvil
2011-02-16 18:36   ` Roland McGrath
2011-02-16 20:21     ` Oleg Nesterov
2011-02-18 20:24       ` Oleg Nesterov

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