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Date:	Mon, 04 Dec 2006 23:01:10 -0500
From:	"Larry Hall (Cygwin)" <reply-to-list-only-lh AT cygwin DOT com>
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To:	cygwin AT cygwin DOT com
Subject:	Re: cygwin + vista x64
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Andrew Paprocki wrote:
> Corinna,
> 
> I've been trying to figure out why cygwin isn't working properly on
> Vista x64. I saw the thread you posted to here:
> 
> http://www.cygwin.com/ml/cygwin/2006-11/msg00595.html
> 
> I see that cygwin is performing the trick outlined here:
> 
> http://www.catch22.net/tuts/undoc01.asp
> 
> (Search for "Pass arbitrary data to a child process!")
> 
> This is achieved because the child_info class is declared to have:
> 
> DWORD zero[4]; // must be zeroed
> 
> It appears as if this trick is no longer working under Vista x64. The
> question is, does this code now have to resort to using
> VirtualAllocEx/WriteProcessMemory, or is there a way around it?
> 
> Have you been able to isolate this into a simple binary test? I am
> currently running on a Vista x64 system right now with VS2005
> installed in case you would like me to try out anything which may be
> of help.


You may be interested in this update from Corinna today:

<http://cygwin.com/ml/cygwin/2006-12/msg00159.html>


-- 
Larry Hall                              http://www.rfk.com
RFK Partners, Inc.                      (508) 893-9779 - RFK Office
216 Dalton Rd.                          (508) 893-9889 - FAX
Holliston, MA 01746

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