From: Jeff Johnston <jjohnstn@redhat.com>
To: Daniel Jacobowitz <drow@false.org>
Cc: gdb-patches@sources.redhat.com
Subject: Re: [RFC]: fix for recycled thread ids
Date: Thu, 25 Mar 2004 20:22:00 -0000 [thread overview]
Message-ID: <40633F75.5010908@redhat.com> (raw)
In-Reply-To: <20040325163437.GA15238@nevyn.them.org>
Daniel Jacobowitz wrote:
> On Wed, Mar 24, 2004 at 11:39:50PM -0500, Daniel Jacobowitz wrote:
>
>>Do you have any code for PTRACE_EVENT_CLONE yet, or should I put
>>something together in the morning to verify whether that's the problem?
>
>
> Here you go. Again, this patch is obviously not ready to go into GDB,
> but I have not been able to make it misbehave yet. I don't know if all
> the bits it needs work right in RHEL3, or if my testing was conclusive.
>
> The highlights:
> - Includes most of the previous patch
> - Uses PTRACE_EVENT_CLONE to attach to new threads
> - Moves handling of events closer to the waitpid call
>
> There are some potential races but I haven't hit any of them in
> practice. I suspect that with a heavy fork or vfork load (not clone)
> you could produce interesting failure modes.
>
> Give it a try, please. If it works I'll clean it up.
>
Works great. I was unable to get it to misbehave on RHEL3. Please go ahead
cleaning it up.
-- Jeff J.
next prev parent reply other threads:[~2004-03-25 20:22 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-19 0:36 Jeff Johnston
2004-03-19 1:53 ` Daniel Jacobowitz
2004-03-19 18:44 ` Jeff Johnston
2004-03-19 19:01 ` Daniel Jacobowitz
2004-03-19 19:35 ` Jeff Johnston
2004-03-19 19:40 ` Daniel Jacobowitz
2004-03-19 21:32 ` Jeff Johnston
2004-03-24 15:51 ` Daniel Jacobowitz
2004-03-24 16:56 ` Daniel Jacobowitz
2004-03-24 21:56 ` Jeff Johnston
2004-03-25 0:46 ` Jeff Johnston
2004-03-25 4:39 ` Daniel Jacobowitz
2004-03-25 16:34 ` Daniel Jacobowitz
2004-03-25 20:22 ` Jeff Johnston [this message]
2004-03-26 17:59 ` [patch] Use TD_DEATH and PTRACE_EVENT_CLONE when available (was: Re: [RFC]: fix for recycled thread ids) Daniel Jacobowitz
2004-03-26 18:14 ` [patch] Use TD_DEATH and PTRACE_EVENT_CLONE when available Jeff Johnston
2004-03-26 21:13 ` [patch] New thread test to exercise Daniel's Patch Jeff Johnston
2004-03-26 21:19 ` Daniel Jacobowitz
2004-03-29 18:06 ` Jeff Johnston
2004-03-29 18:11 ` Daniel Jacobowitz
2004-03-29 20:18 ` Jeff Johnston
2004-03-29 20:42 ` Daniel Jacobowitz
2004-03-29 21:04 ` Jeff Johnston
2004-03-29 21:34 ` Daniel Jacobowitz
2004-03-29 21:59 ` Jeff Johnston
2004-03-29 22:32 ` Daniel Jacobowitz
2004-03-29 22:58 ` Jeff Johnston
2004-03-29 23:57 ` Daniel Jacobowitz
2004-03-29 18:07 ` [patch] Use TD_DEATH and PTRACE_EVENT_CLONE when available (was: Re: [RFC]: fix for recycled thread ids) Daniel Jacobowitz
2004-03-19 20:33 ` [RFC]: fix for recycled thread ids Andrew Cagney
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