X-Recipient: archive-cygwin AT delorie DOT com X-Spam-Check-By: sourceware.org Date: Fri, 20 Feb 2009 12:45:04 -0500 From: Christopher Faylor To: cygwin AT cygwin DOT com Subject: Re: Strange freezes when using gdb (rxvt/mintty but not dos box) Message-ID: <20090220174504.GA16993@ednor.casa.cgf.cx> Reply-To: cygwin AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com References: <499ED1CE DOT 1050803 AT onevision DOT de> <499EDE0C DOT 6080409 AT gmail DOT com> <20090220171303 DOT GB16739 AT ednor DOT casa DOT cgf DOT cx> <20090220172617 DOT GK24834 AT calimero DOT vinschen DOT de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090220172617.GK24834@calimero.vinschen.de> User-Agent: Mutt/1.5.16 (2007-06-09) Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com On Fri, Feb 20, 2009 at 06:26:17PM +0100, Corinna Vinschen wrote: >On Feb 20 12:13, Christopher Faylor wrote: >> On Fri, Feb 20, 2009 at 04:45:00PM +0000, Dave Korn wrote: >> >Roland Schwingel wrote: >> >>gdb freezes upon execution of the inferior process when used from >> >>within mintty/rxvt, but does not freeze when gdb is invoked from a >> >>(conventional) bash inside of a windows DOS box. >> >[...] >> >>But why does it work with DOS box and not using mintty/rxvt??? >> > >> >Clue here. You are launching a win32 app, from a cygwin app, in a >> >(non-console-based) GUI window. Won't work. Use a console. See >> >discussions around CYGWIN=tty for full details (which, if you had it >> >set, ought to make the crash occur in a console as well as in >> >rxvt/mintty, but isn't anything you can turn off for rxvt and get it >> >working). >> >> Right on, Dave. There are all sorts of potential problems with using >> a cygwin pty/tty and a mingw process. >> >> So: what he said. > >What about the new-console option in Cygwin's GDB to create the inferior >process in a new Console window? Shouldn't that help here, as long as >the pty is actually running in the local GUI session. I don't think that resets stdin/stdout for the inferior process so I doubt that it would help. cgf -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/