Path: utzoo!utgpu!attcan!uunet!lll-winken!ames!hc!pprg.unm.edu!unmvax!tut.cis.ohio-state.edu!rutgers!mit-eddie!killer!texbell!sw1e!uucibg
From: uucibg@sw1e.UUCP (3929] Brian Gilstrap)
Newsgroups: comp.sys.mac.programmer
Subject: Question on Handle locking example
Message-ID: <1219@sw1e.UUCP>
Date: 25 Jan 89 13:30:12 GMT
References: <379@lclark.UUCP> <2580011@hpausla.HP.COM>
Reply-To: uucibg@sw1e.UUCP ([5-3929] Brian Gilstrap)
Organization: Southwestern Bell Telephone Co.
Lines: 18

I'm not clear on why function 'a' below would die.  This was posted recently
as an example of how not to code.  I'm sure I'm missing something extremely
obvious (it's late...), but please explain....

>a()
>{	
>	HLock(h);
>	b(h);
>	*h->x = ...	/* this would not survive a heap scramble */
>	HUnlock(h);
>}

Thanks,
Brian R. Gilstrap                          Southwestern Bell Telephone
One Bell Center Rm 17-G-4                  ...!ames!killer!texbell!sw1e!uucibg
St. Louis, MO 63101                        ...!bellcore!texbell!sw1e!uucibg
(314) 235-3929
#include <std_disclaimers.h>