Path: utzoo!attcan!uunet!lll-winken!lll-tis!ames!pacbell!att!ttrdc!ttrde!ttrdf!fjo
From: fjo@ttrdf.UUCP (Frank Owen )
Newsgroups: comp.sys.mac.programmer
Subject: Re: Multifinder: how do I patch GetNextEvent?
Message-ID: <759@ttrdf.UUCP>
Date: 20 Oct 88 18:43:38 GMT
References: <18936@apple.Apple.COM>
Organization: AT&T, Skokie, IL
Lines: 13

in article <18936@apple.Apple.COM>, darin@Apple.COM (Darin Adler) says:
> ... This is why it's permissible to do
> something first, then call the real trap. In that case the stack is the same
> as if the trap had been called directly, with the correct return address.

Not if you CALL the trap it isn't! You must JUMP to the trap address
upon exit to keep the stack intact.


-- 
Frank Owen (fjo@ttrdf)  312-982-2182
AT&T Bell Laboratories 
5555 Touhy Ave., Skokie, IL  60077
PATH:  ...!att!ttrdf!fjo