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From: glenn@gla-aux.uucp (Glenn Austin)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Questions about multitasking on the mac
Message-ID: <0E010021.uh5xtf@gla-aux.uucp>
Date: 19 May 91 06:52:25 GMT
Reply-To: glenn@gla-aux.uucp
Organization: The Pit Lane
Lines: 30
X-Mailer: uAccess - Mac Release: 1.0.4a


In article <1991May11.191114.27564@potomac.ads.com>, jtn@potomac.ads.com (John T. Nelson) writes:
> 
> No I don't want to start yet ANOTHER flamewar on what type of
> multitasking is the One And True Multitasking.

Thank you.
> Rather I have a
> legitimate question concerning how one passes control onto other apps
> running cooperatively on the Mac.  Let's say I have a large and
> complex compiler (which I do) and let's say that it consists of lots
> of hairy recursive-decent style code.  It's difficult to modularize
> this particular code so I can't call lots of modules from the event
> loop.  Basically we go into the compiler and come back out when done.
> 
> This means that I don't get to call WaitNeXTEvent and thus the
> foreground process has total control.  No backgrounding possible
> because we don't get to the event loop until complete.

Make calls to EventAvail periodically -- the callee of EventAvail (OSEventAvail)
is where MultiFinder patches in to get time...


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| Glenn L. Austin                | "Turn too soon, run out of room.           |
| Macintosh Wizard and           |    Turn too late, much better fate."       |
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