From owner-freebsd-hackers Sun Mar 12 21: 9:28 2000 Delivered-To: freebsd-hackers@freebsd.org Received: from obie.softweyr.com (obie.softweyr.com [204.68.178.33]) by hub.freebsd.org (Postfix) with ESMTP id 818FC37B5D6 for ; Sun, 12 Mar 2000 21:09:23 -0800 (PST) (envelope-from wes@softweyr.com) Received: from softweyr.com (wes@homer.softweyr.com [204.68.178.39]) by obie.softweyr.com (8.8.8/8.8.8) with ESMTP id WAA04007; Sun, 12 Mar 2000 22:09:13 -0700 (MST) (envelope-from wes@softweyr.com) Message-ID: <38CC7819.C807D095@softweyr.com> Date: Sun, 12 Mar 2000 22:09:45 -0700 From: Wes Peters Organization: Softweyr LLC X-Mailer: Mozilla 4.7 [en] (X11; U; FreeBSD 3.3-RELEASE i386) X-Accept-Language: en MIME-Version: 1.0 To: Mark Hittinger Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: 5.0 features? References: <200003122111.PAA19501@freebsd.netcom.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG 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/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message