Article View: comp.sys.apple2.gno
Article #436Re: Idea for improved user control of restart flag.
From: Jawaid Bazyar
Date: Tue, 05 Jan 1993 21:04
Date: Tue, 05 Jan 1993 21:04
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jamesb@ecst.csuchico.edu (James L. Brookes) writes: >One reason I asked this, is because uEmacs has a variable to control >restartibility. Does anyone actually turn this off? Why? :-) >So, then should all apps be written to use rexit()? I don't really see >any reason to -not- make an app restartable, but then I have 4.25 megs >of memory, and want -everything- restartable :) Well, some applications would take a LOT of work to make restartable. That is, excepting the trick that Morgan Davis used to make uEmacs restartable. I don't know that his technique will work with ORCA/C, though. >Hm, a couple of questions I just thought of re: restartability: >I've noticed that, if I have a restartable program running in the >background, and try to run the same application in the foreground, it will >not restart. No surprise, that's to be expected. But, even after one >execution, this copy of the app won't restart. So, is it to be presumed >that there can only be one copy of a given restartable application in memory >at a time? Is it possible, in a multiuser system, for someone (for example) >on console to use a restartable program, then exit, and for another person >not on console to use the copy in memory? Yes, but not simultaneously. GNO specifcally reloads a program from disk if a restartable executable is running and another copy is requested. The system loader simply doesn't deal with more than one restartable copy of a program at one time. -- Jawaid Bazyar | Ask me about the GNO Multitasking Environment Procyon, Inc. | for the Apple IIgs! bazyar@cs.uiuc.edu | P.O Box 620334 --Apple II Forever!-- | Littleton, CO 80162-0334 (303) 933-4649
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Newsgroups: comp.sys.apple2.gno Path: arc1-ca.pugleaf.net!sparky!uunet!gatech!usenet.ins.cwru.edu!agate!dog.ee.lbl.gov!hellgate.utah.edu!csn!teal!bazyar From: bazyar@teal.csn.org (Jawaid Bazyar) Subject: Re: Idea for improved user control of restart flag. Message-ID: <bazyar.726267862@teal> Keywords: restartability Sender: news@csn.org (news) Nntp-Posting-Host: teal.csn.org Organization: Colorado SuperNet, Inc. References: <1ians2INNaur@charnel.ecst.csuchico.edu> <bazyar.726209355@teal> <1icpfiINNd21@charnel.ecst.csuchico.edu> Date: Tue, 5 Jan 1993 21:04:22 GMT Lines: 37