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From: john slee <indigoid@higherplane.net>
To: ebuddington@wesleyan.edu
Cc: linux-kernel@vger.kernel.org
Subject: Re: Dissociating process from bin's filesystem
Date: Thu, 25 Apr 2002 18:52:37 +1000	[thread overview]
Message-ID: <20020425085237.GE17717@higherplane.net> (raw)
In-Reply-To: <20020424224714.B19073@ma-northadams1b-46.bur.adelphia.net>

On Wed, Apr 24, 2002 at 10:47:14PM -0400, Eric Buddington wrote:
> Is there any way to dissociate a process from its on-disk binary?  In
> other words, I want to start 'foo_daemon', then unmount the filesystem
> it started from. It seems to me this would be reasonably accomplished
> by loading the binary completely into memory first ro eliminate the
> dependence.
> 
> Is this possible, or planned? Are there intractable problems with it
> that I don't see?

as i understand it this precludes you from using shared libs as they are
mmap()'d on startup...

other than that the running daemon will cause the fs to be
un-umountable.

j.

-- 
R N G G   "Well, there it goes again... And we just sit 
 I G G G   here without opposable thumbs." -- gary larson

  parent reply	other threads:[~2002-04-25  8:51 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-04-25  2:47 Dissociating process from bin's filesystem Eric Buddington
2002-04-25  3:42 ` James Cassidy
2002-04-25  8:52 ` john slee [this message]
2002-04-25  9:22   ` johan.adolfsson
2002-04-25 11:42 ` Padraig Brady
2002-04-27 19:03   ` Eric W. Biederman
2002-04-25 12:28 ` Rob Landley
2002-04-25 17:52   ` Chris Friesen

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