Subject: Re: Program recovery using checkpointing
To: Jason Thorpe <thorpej@shagadelic.org>
From: Kamal R. Prasad <kamalpr@yahoo.com>
List: tech-kern
Date: 03/11/2005 06:54:08
--- Jason Thorpe <thorpej@shagadelic.org> wrote:
>
> On Mar 11, 2005, at 6:24 AM, Kamal R. Prasad wrote:
>
> > No -I am talking of the checkpoint file itself.
> > The checkpoint filename is generated by my code,
> when
> > doing a save/restore. The patch I have given
> contains
> > the src code to do what Im stating here.
>
> Fine, whatever. You're still not addressing the
> fact that pathnames of
> the process's open files are required in order to
> restart without a
> huge security hole.
>
> -- thorpej
>
The checkpointing code in my case -does not write
*ANY* information about the process's open files. The
kernel maintains the fds for the process as long as it
is running, and until the userland has done a
close(fd). So is there still a problem with my
implementation?
regards
-kamal
>
------------------------------------------------------------
Kamal R. Prasad
UNIX systems consultant
kamalp@acm.org
In theory, there is no difference between theory and practice. In practice, there is:-).
------------------------------------------------------------
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