linux-kernel - Re: Feature request: exec self for NOMMU.

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Message-Id: <200612270329.16320.rob@landley.net>
Date:	Wed, 27 Dec 2006 03:29:15 -0500
From:	Rob Landley <rob@...dley.net>
To:	Vadim Lobanov <vlobanov@...akeasy.net>
Cc:	ray-gmail@...rabbit.org, linux-kernel@...r.kernel.org,
	David McCullough <david_mccullough@...securecomputing.com>
Subject: Re: Feature request: exec self for NOMMU.

On Wednesday 27 December 2006 1:08 am, Vadim Lobanov wrote:
> On Wed, 2006-12-27 at 00:51 -0500, Rob Landley wrote:
> > On Wednesday 27 December 2006 12:13 am, Ray Lee wrote:
> > > How about openning an fd to yourself at the beginning of execution, then
> > > calling fexecve later?
> > 
> > I haven't got a man page for fexecve.  Does libc have it?
> 
> It's implemented inside glibc, and uses /proc to execve() the file that
> the fd points to.

Cute, and I can do that.  Assuming /proc is mounted in the chroot 
environment...

Rob
-- 
"Perfection is reached, not when there is no longer anything to add, but
when there is no longer anything to take away." - Antoine de Saint-Exupery
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