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From: cheung@vu-vlsi.UUCP (Wilson Cheung)
Newsgroups: comp.sys.amiga
Subject: Resource manager needed.
Message-ID: <1012@vu-vlsi.UUCP>
Date: Thu, 30-Jul-87 11:21:59 EDT
Article-I.D.: vu-vlsi.1012
Posted: Thu Jul 30 11:21:59 1987
Date-Received: Sat, 1-Aug-87 10:57:19 EDT
Distribution: na
Organization: Villanova Univ. EE Dept.
Lines: 24

Its been said that resource tracking would have placed too much of an overhead
on the Amiga's operating system.  Well with 2 megs and 5 different applications
set up this overhead would be tolerable for me, although I fail to see what type
of overhead other than memory usage this would cause.  Take the following scenario
I have Scribble! up with a FORTH program and 3 additional include files in
there own windows.  In the background I am downloading a 100K file at 1200 baud.
In the meantime I have a Multi-Forth window popped up.  I compile the FORTH
program with no problems.  Then I run it.  I Wait, and wait and wait.  Darn!
my program hung up FORTH probably a stupid endless loop.  The Multi-Forth
now eats up huge CPU time causing my mouse pointer to become jerky and sluggish.
Now do I pop up another FORTH evironment and put up with a much slowed down
68000 or do I reboot, lose my file transfer, and the work in setting up my
applications the way I wanted.  
Here it would be nice to have a certain key combination to invoke a resource/task
manager that would allow a user to cancel a task and all the resouces associated
with it.  Using the keyboard rather than the mouse should generally guarantee
that the user can still invoke the manager even if the locked application has
locked up the mouse pointer as well.
I guess what one would have to do to create the manager is to intercept all
requests to access devices or allocate memory and store the information in 
its own table or list.  Anyone up to the task?


				Wilson Cheung