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Date:	Sat, 21 Nov 2009 18:28:40 +0000
From:	Dave Korn <dave DOT korn DOT cygwin AT googlemail DOT com>
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To:	Dave Korn <dave DOT korn DOT cygwin AT googlemail DOT com>
CC:	cygwin AT cygwin DOT com
Subject:	Re: Use of Dual Core causes random failures building OpenJDK
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Dave Korn wrote:
> If they aren't from the same
> process, they cannot be updating the same copy of the environment, since each
> process has its own

http://msdn.microsoft.com/en-us/library/ms682653(VS.85).aspx

  MSDN reference: hopefully this should clear up the details about how
environment blocks behave.  Note particularly that changes are never
propagated back *up* to the global system environment; you have to write to
the registry to change them, and that is indeed properly serialized.

    cheers,
      DaveK

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