From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3032 invoked by alias); 12 Dec 2002 16:56:21 -0000 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Received: (qmail 3020 invoked from network); 12 Dec 2002 16:56:18 -0000 Received: from unknown (HELO redhat.com) (66.30.22.225) by sources.redhat.com with SMTP; 12 Dec 2002 16:56:18 -0000 Received: by redhat.com (Postfix, from userid 201) id 214B41C109; Thu, 12 Dec 2002 11:57:36 -0500 (EST) Date: Thu, 12 Dec 2002 10:27:00 -0000 From: Christopher Faylor To: cygwin@cygwin.com Subject: Re: pipe improvements in snapshot Message-ID: <20021212165736.GA14986@redhat.com> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: <20021211041250.GA31215@redhat.com> <094401c2a1da$954ab980$1d6cba8c@sfdev3> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <094401c2a1da$954ab980$1d6cba8c@sfdev3> User-Agent: Mutt/1.5.1i X-SW-Source: 2002-12/txt/msg00682.txt.bz2 On Thu, Dec 12, 2002 at 07:32:16AM -0500, Norman Vine wrote: >Christopher Faylor writes: > >> In the most recent cygwin snapshot (uploading now) I've attempted to >> work around the 10ms delay in pipe reads. > >< snip > > >> Please check out the latest snapshot and report here if there are >> problems. I haven't yet tried this on Windows 9x class systems so it's >> entirely possible that there is a problem there. > >With a Cygwin CVS tree I built this AM < (2) below > >rxvt has problems when configuring a project from a build directory > >ie >$TOP_DIR > src > build > >cd $TOP_DIR/build >../configure > >The problems vary from run to run ranging from 'error parsing uname' >to program hang < recoverable with 'ctrl-C' > making me suspect a >possible data loss > >Using the gcc option -pipe seems to allow the configure process >Using the -pipe flag I have not seen the uname error but it does >eventually hang when actually creating the Makefiles > >This project uses libtool > >With the CVS tree build (1) below I do not experience this > >(1) 10-Dec-2002 7:10:38a 6,683,847 cygwin-20021210.tar.gz >(2) 12-Dec-2002 6:09:42a 6,688,318 cygwin-20021212.tar.gz > >The times are EST and the tarballs are created by a script that >does a CVS update, make, make tarball which takes ~20 minutes >so the CVS update time should be approximately 20 minutes earlier > >Any 'tips' as to how to best debug this appreciated - Attach to the hung process with gdb and see where it is hung. - Provide cygcheck output. - Run under strace and see if you can infer where hangs or problems are occurring. cgf -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/