Opinions solicted for changes to tty names in 1.7.10

Christopher Faylor cgf-use-the-mailinglist-please@cygwin.com
Tue Jun 14 20:36:00 GMT 2011

After some discussion with Corinna, I'm thinking about making a change to
the tty naming in Cygwin as part of the removal of CYGWIN=tty.

(In case you haven't noticed, CYGWIN=tty, is no longer supported in
snapshots.  If you do have the tty option set you get one warning per
session telling you to unset it.)

Since the only thing using Cygwin's "tty layer" will now be ptys, I'd
like to rename /dev/ttyN to /dev/ptyN.  I've already added /dev/consN
support for consoles but I'd like to change that so that consoles are
represented as /dev/ttyN instead.  Obviously ps(1) will need to be
changed too.

Corinna suggested that I should send a query here to see if anyone knows
if this proposed change will affect any existing applications which use
ptys like mintty, emacs, xterm, rxvt, or screen.  Does anyone see any
problems with this?  Problems can include large wails of protest from
the user community if you think that will happen.  I can't predict if
this will be the case or not.  I don't know the purity of doing things
this way will outweigh any end user confusion.  Or even if there will
be that much end user confusion.


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