X-Recipient: archive-cygwin@delorie.com X-SWARE-Spam-Status: No, hits=-1.7 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,KHOP_THREADED,RCVD_IN_DNSWL_LOW,SPF_NEUTRAL,TW_RV,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Message-ID: <4FD0BC4C.1070603@cs.utoronto.ca> Date: Thu, 07 Jun 2012 10:35:56 -0400 From: Ryan Johnson User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:12.0) Gecko/20120428 Thunderbird/12.0.1 MIME-Version: 1.0 To: cygwin@cygwin.com Subject: Re: Windows 8 Release Preview. fork problems with rsync References: <20120606123434.GA27662@calimero.vinschen.de> <20120606161217.GB30795@calimero.vinschen.de> In-Reply-To: <20120606161217.GB30795@calimero.vinschen.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes 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 On 06/06/2012 12:12 PM, Corinna Vinschen wrote: > On Jun 6 16:41, Bertrand Latinville wrote: >> I'm using >> >> rsync --chmod=ug=rwX -arvz --prune-empty-dirs --include="*/" >> --include-from=include-file.txt --exclude="*" ${source_dir}/ >> ${dest_dir} > Thanks. I can confirm the effect. For no apparent reason, the OS > reserves a 1 Megs shared memory region, top-down allocated, of which it > uses about 20K. It's not the PEB or one of the TEBs, though. Nor is > it a thread stack. I checked, and it turns out that it's allocated > in every process, on 32 and 64 bit systems. That's kind of worrying > since that's bound to collide with mmaped regions and pthread stacks a > lot. I don't know what to do at this point. Given that the OS always gets there first, why not just adjust Cygwin's definition of "top" for win8? Or does heap randomization move that mystery chunk around? Ryan -- 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