X-Recipient: archive-cygwin@delorie.com X-Spam-Check-By: sourceware.org Date: Tue, 6 Apr 2010 12:45:37 -0400 From: Christopher Faylor To: cygwin@cygwin.com Subject: Re: CygWin-1.7.3-1 fails to provide pipe. Message-ID: <20100406164537.GA19024@ednor.casa.cgf.cx> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: <4B30AD0BED19E842AAE88DC3973649312411601388@mail3.walsh.edu> <20100406141508.GD16409@ednor.casa.cgf.cx> <4BBB4EE4.9080508@gmail.com> <20100406150121.GE16409@ednor.casa.cgf.cx> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100406150121.GE16409@ednor.casa.cgf.cx> User-Agent: Mutt/1.5.20 (2009-06-14) 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 Tue, Apr 06, 2010 at 11:01:21AM -0400, Christopher Faylor wrote: >On Tue, Apr 06, 2010 at 04:10:28PM +0100, Dave Korn wrote: >>On 06/04/2010 15:15, Christopher Faylor wrote: >>> On Tue, Apr 06, 2010 at 07:55:19AM -0400, George Barrick wrote: >>>> What I am suggesting is that the new cygwin.dll has difficulties >>>> implementing the kind of pipe that octave uses to send its graphing >>>> commands to gnuplot. The specific details of the pipe that serves as >>>> an example of this can be seen in the __gnuplot_get_var__.m script >>>> inside the GNU Octave package. >>> >>> Sorry but unless someone can narrow this down to a test case which >>> does not requier installing gnuplot I don't intend on investigating >>> this. >> >> Here ya go. I took a look at the octave module, and narrowed it down to the >>equivalent C testcase attached, which appears to reproduce the same failure >>mode for me: > >Thanks for tracking it down but the test case is probably simpler than this. > > $ mkfifo /tmp/fifo > $ cat /tmp/fifo > >That demonstrates the problem. I'll fix this ASAP. This should be fixed in the latest snapshot: http://cygwin.com/snapshots/ 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