X-Recipient: archive-cygwin@delorie.com X-SWARE-Spam-Status: No, hits=-2.5 required=5.0 tests=AWL,BAYES_00,SPF_PASS X-Spam-Check-By: sourceware.org Message-ID: <4B083158.7040801@gmail.com> Date: Sat, 21 Nov 2009 18:28:40 +0000 From: Dave Korn User-Agent: Thunderbird 2.0.0.17 (Windows/20080914) MIME-Version: 1.0 To: Dave Korn CC: cygwin@cygwin.com Subject: Re: Use of Dual Core causes random failures building OpenJDK References: <4B061709.2040507@cygwin.com> <20091120112052.GT29173@calimero.vinschen.de> <20091120143237.GD18289@ednor.casa.cgf.cx> <20091120144958.GW29173@calimero.vinschen.de> <20091120184906.GA27241@ednor.casa.cgf.cx> <20091121121218.GZ29173@calimero.vinschen.de> <20091121173625.GB9003@ednor.casa.cgf.cx> <4B083047.8050101@gmail.com> In-Reply-To: <4B083047.8050101@gmail.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com 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 -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple