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- Newsgroups: comp.sys.mac.programmer
- Path: sparky!uunet!munnari.oz.au!uniwa!bilby.cs.uwa.oz.au!usenet
- From: Quinn <quinn@cs.uwa.edu.au>
- Subject: Re: Formatting a disk in the background
- Message-ID: <1992Sep2.012822.21039@bilby.cs.uwa.edu.au>
- X-Xxdate: Wed, 2 Sep 92 01: 23:22 GMT
- Sender: usenet@bilby.cs.uwa.edu.au
- Nntp-Posting-Host: eriodon
- Organization: The University of Western Australia
- X-Useragent: Nuntius v1.1.1d9
- References: <1992Aug31.223046.8274@microsoft.com>
- Date: Wed, 2 Sep 1992 01:28:22 GMT
- Lines: 31
-
- In article <1992Sep1.121235.11175@tc.cornell.edu> Michael G. Reed,
- reed@snake.tc.cornell.edu writes:
- >I don't think it can be done. The problem is that reads/writes to
- floppy
- >disks are VERY time critical. Therefore, most OS's will disable
- interupts
- >and require the formatting code to run exclusively if you want a
- "properly"
- >formatted disk. This happens on the mac (that's why the mouse "jumps"
- when
- >you are formatting disks...the mouse is interupt driven), so I don't
- think
- >you're going to be able to get around it with Apple's routines...You
- could
- >always write your own disk I/O routines :) (just kidding).
-
- Unless you've got a IIfx (or Quadra 900/950 ?) because the on-board
- IO Processors handle all that messing around with floppies and leave
- the mouse tracking smooth as silk. [Heavy sigh]
-
- Of course hacking the disk initialisation package to run in the
- background would be fun (-;
-
- btw Does anyone know why the disk init package doesn't display
- a filler bar telling you how far it's got? It seems like a user
- interface faux pas to me.
-
- Quinn "The Eskimo!" <quinn@cs.uwa.edu.au> "Support HAVOC!"
- Department of Computer Science, The University of Western Australia
- -- Inquiring minds want to know where the phrase "Inquiring minds
- want to know" comes from.
-