X-Spam-Check-By: sourceware.org Date: Thu, 16 Nov 2006 09:27:15 -0500 (EST) From: Igor Peshansky Reply-To: cygwin@cygwin.com To: cygwin@cygwin.com Subject: Re: request for /dev/stdin and friends In-Reply-To: <20061116104538.GK11304@calimero.vinschen.de> Message-ID: References: <455B18D9.30504@byu.net> <20061116104538.GK11304@calimero.vinschen.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk 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 Thu, 16 Nov 2006, Corinna Vinschen wrote: > On Nov 15 06:40, Eric Blake wrote: > > > > I know it is possible to create /dev/std{in,out,err} myself, simply making > > symlinks to /proc/self/fd/{0,1,2}, once I create an underlying physical > > /dev directory. But by doing so, I have made it so that the version of > > bash that I compile detects their existence, and assumes it can use > > /dev/stdin without problems, and then running that version of bash on > > other machines fails because /dev/stdin is not standard in cygwin. I > > suppose I could try to make the bash postinstall script create a physical > > /dev/ drive, and populate it with std{in,out,err}, but it seems like it > > might be nicer if cygwin/devices.in were to provide them natively for all > > users. > > Dunno about that. On Linux, /dev/std{in,out,err} are just symbolic > links to fd/{0,1,2} and fd is just a symlink to /proc/self/fd. > > So what we should do here IMO is to augment the base-files package > to create a /dev directory and create a couple of standard symlinks > in it, which are not covered automatically by the Cygwin DLL. > For a start: > > fd -> /proc/self/fd > stdin -> fd/0 > stdout -> fd/1 > stderr -> fd/2 > dvd -> scd0 > cdrom -> scd0 > rmt0 -> st0 > nrmt0 -> nst0 > tape -> nst0 There already was some discussion, ending in , which never got a reply... Igor -- http://cs.nyu.edu/~pechtcha/ |\ _,,,---,,_ pechtcha@cs.nyu.edu | igor@watson.ibm.com ZZZzz /,`.-'`' -. ;-;;,_ Igor Peshansky, Ph.D. (name changed!) |,4- ) )-,_. ,\ ( `'-' old name: Igor Pechtchanski '---''(_/--' `-'\_) fL a.k.a JaguaR-R-R-r-r-r-.-.-. Meow! "Las! je suis sot... -Mais non, tu ne l'es pas, puisque tu t'en rends compte." "But no -- you are no fool; you call yourself a fool, there's proof enough in that!" -- Rostand, "Cyrano de Bergerac" -- 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/