X-Recipient: archive-cygwin@delorie.com X-SWARE-Spam-Status: No, hits=-1.7 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE,UNPARSEABLE_RELAY X-Spam-Check-By: sourceware.org X-Yahoo-SMTP: jenXL62swBAWhMTL3wnej93oaS0ClBQOAKs8jbEbx_o- Date: Thu, 4 Aug 2011 00:22:06 -0400 From: Christopher Faylor To: cygwin@cygwin.com Subject: Re: Device numbers, Cygwin vs. Linux Message-ID: <20110804042206.GA2483@ednor.casa.cgf.cx> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 Wed, Aug 03, 2011 at 09:33:32PM -0500, Yaakov (Cygwin/X) wrote: >I'm working on /proc/devices, but upon comparing to Linux[1], I >noticed some differences in character device numbering: > >* /dev/tty >Linux is 5,0, Cygwin is 3,0 You're using a snapshot. After my pty reorg, Cygwin, probably erroneously, effectively symlinks /dev/tty to whatever your current "tty" is. It will either be a pty or a console. >* /dev/tty[N] >Linux is 4,[N], Cygwin 136,N (major 136 is /dev/pts/N on Linux) > >* /dev/console >Linux is 5,1, Cygwin is 3,0 (same as /dev/tty !) See above. >* /dev/ttyS[N] >Linux is 4,[N+64], Cygwin is 117,[N] > >Why these differences? I had a reason when I set up the device numbers but I don't remember any more. I tried to adhere to linux but there wasn't a 1-1 correspondence. And, possibly the numbering changed over time for linux. 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