Re: Hibernate a single process (aka checkpointing)

From: jwk (_hate_spam_thunder7_at_xs4all.nl)
Date: 11/29/03 

Date: 29 Nov 2003 11:42:26 GMT

["Followup-To:" header set to comp.os.linux.development.system.]
From: Wayne Hayes <wayne@cs.toronto.edu>
Date: 28 Nov 2003 23:24:02 GMT
> Everybody knows that you can "hibernate" a laptop: that is, the OS
> writes the entire contents of RAM to disk, along with other necessary
> system stuff like registers, etc --- everything that you need to
> continue the system from where it left off.
>
> It should be possible to do this on a per-process basis as well. That
> is, there should be a way that I can temporarily suspend a process in
> such a way that it can be continued later, even if I reboot in between
> the suspend and restart.

No way. The problem is the kernel keeps information about the process as
well, and if the kernel is rebooted, any information about open files,
network state etc. is lost.

IMVHO, of course.

HTH,
Jurriaan 

-- 
>Ever heard of .cshrc?
That's a city in Bosnia.  Right?
	Discussion in comp.os.linux.misc on the intuitiveness of commands
Debian (Unstable) GNU/Linux 2.6.0-test9-mm5 4276 bogomips 0.29 0.14

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