X-Recipient: archive-cygwin@delorie.com X-SWARE-Spam-Status: No, hits=-1.8 required=5.0 tests=AWL,BAYES_00,SARE_MSGID_LONG40,SPF_PASS X-Spam-Check-By: sourceware.org MIME-Version: 1.0 In-Reply-To: <20091121185049.GA13903@ednor.casa.cgf.cx> References: <20091121121218.GZ29173@calimero.vinschen.de> <20091121173625.GB9003@ednor.casa.cgf.cx> <4B083047.8050101@gmail.com> <4B08376D.9060408@gmail.com> <20091121185049.GA13903@ednor.casa.cgf.cx> Date: Sat, 21 Nov 2009 14:25:42 -0500 Message-ID: Subject: Re: [OT] Re: Use of Dual Core causes random failures building OpenJDK From: mike marchywka To: cygwin@cygwin.com Content-Type: text/plain; charset=ISO-8859-1 X-IsSubscribed: yes Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: 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 On 11/21/09, Christopher Faylor wrote: > On Sat, Nov 21, 2009 at 06:54:37PM +0000, Dave Korn wrote: >>mike marchywka wrote: >>>On XP, go to control panel->System->Advanced ->Envireonment Variables. >>>These do no appear to be process specific. These are what I was >>>talking about where I saw garbage, >> >>Since registry accesses are atomic and serialized, whatever you saw >>there must reflect exactly the gibberish that some process wrote into >>the registry, owing to a bug in that process (or maybe in some hook >>process, or faulty ram or other hardware in your PC); it was not the >>outcome of two threads trying to write to the registry at the same >>time. >> >>And, as indeed you hypothesize, none of this is to do with Cygwin, so >>we should TITTTL if there's anything else you want to ask about the >>windows environment block and how it is implemented and handled in a >>thread-safe and process-safe fashion; I don't mind going into further >>detail if you're curious, but I want to leave the main list out of it >>now. > > Yes, please take it to the talk list. Eh, this was supposed to be one non-controversial if tangential observation that did happen to point to a likely issue relevant to OP and who knows who starts out by reading a windoze env variable. I don't really want to discuss this further, I didn't think it would get this involved, you are probably right but FWIW. I'd imagine they are supposed to be safe and a problem like this would have probably shown up by now but I'm actually not all that sure that concurrent registry updates would be tested all that much- when is the last time you openned two registry editors while 5 installs were running? ( rhetorical question LOL ). > > In the meantime, I'm going to try teaching my dog to play the piano. > > cgf > > -- > 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 > > -- marchywka@gmail.com Mike Marchywka 586 Saint James Walk Marietta GA 30067-7165 415-264-8477 (w)<- use this 404-788-1216 (C)<- leave message 989-348-4796 (P)<- emergency only marchywka@hotmail.com Note: If I am asking for free stuff, I normally use for hobby/non-profit information but may use in investment forums, public and private. Please indicate any concerns if applicable. Note: hotmail is censoring incoming mail using random criteria beyond my control and often hangs my browser but all my subscriptions are here..., try also marchywka@yahoo.com -- 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