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Date: Tue, 19 Mar 2002 11:57:39 +0100
From: Corinna Vinschen <cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: mmap of large amount returns invalid pointer
Message-ID: <20020319115739.U29574@cygbert.vinschen.de>
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References: <20020314132223 DOT N29574 AT cygbert DOT vinschen DOT de> <15508 DOT 58801 DOT 823944 DOT 720766 AT asv-058 DOT sjc DOT ca DOT bbnow DOT net>
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On Sun, Mar 17, 2002 at 10:51:29AM -0800, Stephen Weeks wrote:
> 
> Corinna:
> > Anyway, I've checked in a patch.  It now checks if VirtualProtect
> > failed and then mmap() also fails.  Try the next developers snapshot,
> > please.
> 
> Thanks for the fix.  I tried the 2002-Mar-16 snapshot and the test
> program works correctly.  However, a slightly modified program that
> munmaps the memory in the parent process and then exits does not work
> reliably.  I have included the test case and an strace of a failed run

I'm on vacation currently so I'm not really inclined to test that
by myself.  Could you please describe what happens in the error case
in plain English?  I see that there could be a timing problem in
fork() but I'd like to read how the error looks like.

Thanks,
Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                                mailto:cygwin AT cygwin DOT com
Red Hat, Inc.

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