Path: utzoo!attcan!uunet!jarthur!usc!apple!keith
From: keith@Apple.COM (Keith Rollin)
Newsgroups: comp.sys.mac.programmer
Subject: Re: MacApp 2.0 crashes on SE running Finder
Message-ID: <47291@apple.Apple.COM>
Date: 12 Dec 90 01:12:48 GMT
References: <17724@neptune.inf.ethz.ch>
Distribution: comp
Organization: Apple Computer Inc., Cupertino, CA
Lines: 37

In article <17724@neptune.inf.ethz.ch> dchrist@inf.ethz.ch (Dan Christensen) writes:
>Has anyone else had trouble with MacApp 2.0 crashing on an SE running
>the Finder?  It works fine with the Multifinder.  This is with version
>6.0.5 of the System (6.1.5 of the Finder) and has also been testing
>with an earlier version (6.0.3?).  After the program has been run once,
>the machine is completely messed up.  Even trying to open the control
>panel crashes the machine.  This happens even with the demo programs
>provided with MacApp.
>

This is a bug in MacApp 2.0 that will be fixed in MacApp 2.0.1. Here
is a description of the problem. It was originally in Technote #280,
but I pulled it out before publication because I thought MacApp 2.0.1
was going to be released a lot sooner.

"26.     BusyRemove, the routine that removes the trap patches
implementing MacApp's busy cursor mechanism, incorrectly attempts to
remove a patch on _SetCCursor that was not installed in BusyInstall on
non-Color QuickDraw Macintoshes. The result is that the trap address
for _Count1Resources is set to zero when not running under MultiFinder
(when it is running, MultiFinder covers up MacApp's mistake).

Fix:	In BusyRemove (file UBusyCursor.inc1.p), replace:

              UnpatchTrap(pSCCPatch);

	With:

              IF qNeedsColorQD | gConfiguration.hasColorQD THEN
                  UnpatchTrap(pSCCPatch);"

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"Argue for your Apple, and sure enough, it's yours" - Keith Rollin, Contusions