Date: Sun, 12 Mar 2000 22:09:45 -0700 From: Wes Peters <wes@softweyr.com> To: Mark Hittinger <bugs@freebsd.netcom.com> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: 5.0 features? Message-ID: <38CC7819.C807D095@softweyr.com> References: <200003122111.PAA19501@freebsd.netcom.com>
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Mark Hittinger wrote:
>
> Something that the old DEC took a few stabs at was the idea of a
> "checkpoint" feature where a process or a series of processes could be
> put in a quiesced state. This would page out the process or processes
> into the swap space, allow a hardware shutdown, and after a reboot allow
> the restart of the checkpointed process(es).
Actually checkpoint/restart worked pretty well under both VMS and ELN.
The core file code gives us a reasonable starting point for doing the
same; the Emacs "loadup/dump" initialization essentially does a check-
point of Emacs following elisp initialization.
--
"Where am I, and what am I doing in this handbasket?"
Wes Peters Softweyr LLC
wes@softweyr.com http://softweyr.com/
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