Path: utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!uunet!jarthur!usc!snorkelwacker!apple!austing
From: austing@Apple.COM (Glenn L. Austin)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Why does the System not lock my INITs ?
Message-ID: <43741@apple.Apple.COM>
Date: 8 Aug 90 02:39:33 GMT
References: <157@neptune.inf.ethz.ch>
Organization: Apple Computer Inc., Cupertino, CA
Lines: 24

mneerach@b.inf.ethz.ch (Matthias Ulrich Neeracher) writes:

>This week I tried to write an INIT (I did some before). Every time I tested
>it, it crashed. Stepping through my debugger, I found out that my INIT was
>unlocked and on return from a trap had been moved away. No problem... I just 
>set the lock bit on the INIT resource and everything worked as expected.

>Still, I'm curious: After all, the System locks most resources before
>calling them: CODE, WDEF, MDEF, CDEF, snth and probably even cdev resources.
>Why are INIT's not locked by INIT31 ?

They just aren't.  Don't ask me why (one version of System Software actually
DID lock it down, but it is "history" now, and was actually a "feature").

-- 
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