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Date:	Mon, 1 Sep 2008 12:01:18 +0100
From:	"Robert McKay" <robert AT mckay DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Running 64bit processes from 32bit Cygwin
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Hi all,

I have a problem with running powershell scripts from within cygwin..
basically no matter what I do it always ends up running the powershell
process as 32bit when invoked from within Cygwin. This normally
wouldn't make a difference, but I need to use a powershell extension
that only exists for 64bit powershell. There isn't really anything
powershell specific about this question though;

Can anyone tell me for sure that it's impossible to run a 64bit
windows process from 32bit Cygwin? Or rather.. is it possible to spawn
a 64bit process from Cygwin and have it not be trapped inside WoW64
emulation? It seems as though once you're inside WOW64, you can't
readily escape from it? I wonder if it would be possible to ask the
explorer process to spawn something for you (possibly via a com
message?) rather than using WinExec(). If so a utility to facilitate
such process spawning would be a very useful addition to Cygwin.


Rob.

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