Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!rutgers!cmcl2!adm!smoke!gwyn
From: gwyn@smoke.BRL.MIL (Doug Gwyn )
Newsgroups: comp.sys.apple
Subject: Re: Multitasking & the IIgs
Keywords: Multitasking, IIgs
Message-ID: <9956@smoke.BRL.MIL>
Date: 30 Mar 89 17:12:54 GMT
References: <9294@claris.com>
Reply-To: gwyn@brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 8

In article <9294@claris.com> wombat@claris.com (Scott Lindsey) writes:
>Neither the tools nor GS/OS are reentrant, ...

You're assuming that multitasking requires preemption of tasks
rather than voluntary relinquishment of the CPU.  That's not
necessary; in fact the terminal I'm typing on right now (AT&T
model 630) is multitasking, and it has neither preemptive
scheduling nor memory protection.