Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!snorkelwacker!apple!stevec
From: stevec@Apple.COM (Steve Christensen)
Newsgroups: comp.sys.mac.programmer
Subject: Re: HLock interdiction??
Keywords: MacTutor, Memory Manager, DogCow
Message-ID: <10348@goofy.Apple.COM>
Date: 21 Sep 90 16:48:59 GMT
References: <1990Sep21.043054.24649@cunixf.cc.columbia.edu>
Organization: Apple Computer Inc., Cupertino, CA
Lines: 20

jtt@cunixd.cc.columbia.edu (James T. Tanis) writes:
>while reading the September issue of MacTutor, in the Mousehole echo,
>I saw a disturbing exchange...
>
>the gist was, that HLock would _Unlock_ an object if it was locked to
>begin with. Is this the case? Should I call HGetState first, to determine 
>whether a handle is locked, and if so... with what mask???

Was this described as a bug or feature?  HLock has always locked a block for
me, and HUnlock has unlocked it.  It's never toggled the state.

steve

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