Path: utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!uunet!cs.utexas.edu!asuvax!stjhmc!f14.n114.z1.fidonet.org!Leo.Bores
From: Leo.Bores@f14.n114.z1.fidonet.org (Leo Bores)
Newsgroups: comp.sys.mac.system
Subject: 6.0.5 and System Heap questions...
Message-ID: <17916.2645CE29@stjhmc.fidonet.org>
Date: 7 May 90 19:25:06 GMT
Sender: ufgate@stjhmc.fidonet.org (newsout1.26)
Organization: FidoNet node 1:114/14 - Eye Net, Scottsdale AZ
Lines: 32

In an article of <3 May 90 03:29:03 GMT>, shahn@hstbme.mit.edu (Samuel Hahn) 
writes:

 SH>Two questions/comments on the above subjects:
 SH>
 SH>2) System Heap...this whole thing about the System Heap has got me 
 SH>confused.
 SH>I thought most (if not all) of the memory allocation was dynamic and 
 SH>that the
 SH>heap grew and shrank as needed.  For instance, if you open a bunch of 
 SH>DAs
 SH>or run PrintMonitor and do a "About Finder" the memory dedicated to the
 SH>System grows appreciably.  If this is true, why bother setting the 
 SH>system
 SH>heap to a predefined limit?  What am I missing here?

Not all DAs/INITs have the syz resource which allows such allocation and even 
if they do, most of these are "quick and dirty" routines that often do not exit 
correctly, leaving the heap fragmented and in a mess.

Leo Bores, M.D.








--  
Uucp: ...{gatech,ames,rutgers}!ncar!asuvax!stjhmc!14!Leo.Bores
Internet: Leo.Bores@f14.n114.z1.fidonet.org