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From: johan.adolfsson@axis.com
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To: "john slee" <indigoid@higherplane.net>, <ebuddington@wesleyan.edu>
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In-Reply-To: <20020424224714.B19073@ma-northadams1b-46.bur.adelphia.net> <20020425085237.GE17717@higherplane.net>
Subject: Re: Dissociating process from bin's filesystem
Date: Thu, 25 Apr 2002 11:22:00 +0200
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Doesn't mlockall() do this?
man mlockall
/Johan

----- Original Message -----
From: "john slee" <indigoid@higherplane.net>
To: <ebuddington@wesleyan.edu>
Cc: <linux-kernel@vger.kernel.org>
Sent: den 25 april 2002 10:52
Subject: Re: Dissociating process from bin's filesystem


> 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
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