linux-kernel - Re: getter PTRACE_GETSIGINFO should not modify anything [Re: [PATCH 11/11] ptrace: implement group stop notification for ptracer]

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Message-ID: <20110515171748.GA25216@host1.jankratochvil.net>
Date:	Sun, 15 May 2011 19:17:48 +0200
From:	Jan Kratochvil <jan.kratochvil@...hat.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	oleg@...hat.com, vda.linux@...glemail.com,
	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, indan@....nu
Subject: Re: getter PTRACE_GETSIGINFO should not modify anything  [Re: [PATCH
 11/11] ptrace: implement group stop notification for ptracer]

Hi Tejun,

just a general point for all the mails:

On Sun, 15 May 2011 16:28:27 +0200, Tejun Heo wrote:
> Even for LD_PRELOAD, it can simply keep scheduling INTERRUPT
> until the application calls the wrapped GETSIGINFO when it detects the
> stopped state has changed.  It can be easily done from userland.

I thought the goal is to simplify the interface, not making it even more
complicated.


Thanks,
Jan
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