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From: Tom Tromey <tromey@redhat.com>
To: Don Breazeal <donb@codesourcery.com>
Cc: <gdb-patches@sourceware.org>
Subject: Re: [PATCH 0/0][REPOST] Exec events in gdbserver on Linux
Date: Wed, 21 May 2014 15:25:00 -0000	[thread overview]
Message-ID: <87lhtvnogs.fsf@fleche.redhat.com> (raw)
In-Reply-To: <1398885482-8449-1-git-send-email-donb@codesourcery.com> (Don	Breazeal's message of "Wed, 30 Apr 2014 12:17:58 -0700")

>>>>> "Don" == Don Breazeal <donb@codesourcery.com> writes:

Don> There are a couple of significant aspects to this patch.  First, it uses
Don> the ptrace extension PTRACE_EVENT_EXIT to detect thread exit, in particular
Don> the exit of a thread group leader when a non-leader calls exec.  Use of
Don> this event was necessary due to a race condition in the two-thread case.
Don> It is only used internally; exit events detected this way are not exposed
Don> to the user, and exit processing was changed as little as possible.

Ok, sorry, I missed this note earlier.

I still don't understand why this is needed in gdbserver but not in gdb,
though.

And I'm still curious about PTRACE_EVENT_EXIT notifying process rather
than thread exit.

Tom


  parent reply	other threads:[~2014-05-21 15:25 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-30 19:18 Don Breazeal
2014-04-30 19:18 ` [PATCH 1/4][REPOST] Remote Linux ptrace exit events Don Breazeal
2014-05-07 19:40   ` Luis Machado
2014-05-08  5:23   ` Yao Qi
2014-05-09 21:03     ` Breazeal, Don
2014-05-21 15:15   ` Tom Tromey
2014-05-22 17:42     ` Breazeal, Don
2014-04-30 19:18 ` [PATCH 3/4][REPOST] Document RSP support for Linux exec events Don Breazeal
2014-05-08  5:34   ` Yao Qi
2014-04-30 19:18 ` [PATCH 4/4 v2][REPOST] Non-stop exec tests Don Breazeal
2014-04-30 19:18 ` [PATCH 2/4][REPOST] Remote Linux ptrace exec events Don Breazeal
2014-05-07 20:01   ` Luis Machado
2014-05-09 21:17     ` Breazeal, Don
2014-05-08  5:44   ` Yao Qi
2014-05-21 15:28   ` Tom Tromey
2014-05-21 15:25 ` Tom Tromey [this message]
2014-05-23 22:49 ` [PATCH 0/4 v3] Exec events in gdbserver on Linux Don Breazeal
2014-05-26  4:55   ` Doug Evans
2014-05-27 18:49     ` Breazeal, Don
2014-05-27 21:41       ` Breazeal, Don
2014-05-28 18:02         ` Breazeal, Don
2014-06-05 22:06   ` Breazeal, Don
2014-06-06 12:29     ` Luis Machado
2014-06-19 15:56     ` Breazeal, Don
2014-05-23 22:49 ` [PATCH 2/4 v3] Remote Linux ptrace exec events Don Breazeal
2014-05-23 22:49 ` [PATCH 1/4 v3] Remote Linux ptrace exit events Don Breazeal
2014-05-23 22:49 ` [PATCH 4/4] Non-stop exec tests Don Breazeal
2014-05-26  3:29   ` Doug Evans
2014-05-27 18:31     ` Breazeal, Don
2014-05-23 22:49 ` [PATCH 3/4] Document RSP support for Linux exec events Don Breazeal
2014-05-24  7:20   ` Eli Zaretskii
2014-05-27 21:28     ` Breazeal, Don
2014-05-28 14:22       ` Eli Zaretskii

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