linux-kernel - Re: [RFC] Proposal for ptrace improvements

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Message-ID: <20110301171233.GC17933@htj.dyndns.org>
Date:	Tue, 1 Mar 2011 18:12:33 +0100
From:	Tejun Heo <tj@...nel.org>
To:	Denys Vlasenko <vda.linux@...glemail.com>
Cc:	Oleg Nesterov <oleg@...hat.com>,
	Roland McGrath <roland@...hat.com>, jan.kratochvil@...hat.com,
	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org
Subject: Re: [RFC] Proposal for ptrace improvements

On Tue, Mar 01, 2011 at 06:09:53PM +0100, Tejun Heo wrote:
> > Do you propose gdb to be chaged so that "continue" command
> > issues PTRACE_CONT only if gdb knows that application is not
> > in jctl stop?
> 
> gdb can do whatever it wants to do but I don't think the above needs
> fixing.

Oh, just in case, I'm not saying gdb shouldn't be improved.  gdb can
definitely take advantage of better ptrace behaviors and do something
more useful.  e.g. informing the user that the task is in group stop
and ask for confirmation for forced resume or something.

-- 
tejun
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