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Mail Archives: cygwin/2001/06/27/12:19:19

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Message-ID: <3B3A0345.FA629136@beamreachnetworks.com>
Date: Wed, 27 Jun 2001 09:01:09 -0700
From: "Eric M. Monsler" <emonsler AT beamreachnetworks DOT com>
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To: "jorgens AT coho DOT net" <jorgens AT coho DOT net>
CC: "Cygwin List (E-mail)" <cygwin AT cygwin DOT com>
Subject: Re: pthreads works, sorta
References: <01C0FE95 DOT 54BB7F10 DOT jorgens AT coho DOT net>

Steve Jorgensen wrote:
> 
> OK, I'm over my head to even try to participate in this, but it seems to me
> that if you want to check for the condition where you can neither read nor
> write

I think that the check is for the condition that "one can both read and
write", before proceeding.  The IsBad logic forces a somewhat reversed
logical structure, i.e. "if not both read and write, fail", which is
coder-optimised to "if not write, fail", since if we can't read we also
can't write.

Read-only is failure, as is a NULL, or any other bad pointer.

Assuming I've understood the previous discussions correctly...


Eric Monsler

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