[PATCH v2] Cygwin: pty: Introduce disable_pcon in environment CYGWIN.

Corinna Vinschen corinna-cygwin@cygwin.com
Mon Feb 10 10:07:00 GMT 2020

On Feb  8 18:13, Thomas Wolff wrote:
> On 22.01.2020 11:06, Corinna Vinschen wrote:
> > On Jan 21 22:25, Takashi Yano wrote:
> > > - For programs which does not work properly with pseudo console,
> > >    disable_pcon in environment CYGWIN is introduced. If disable_pcon
> > >    is set, pseudo console support is disabled.
> > Pushed.  I just fixed a missing </para> in the doc text.
> > 
> Sorry I didn't notice this before. I think rather than having to decide and
> unconditionally switch on or off, a better approach would be to
> automatically enable pseudo console when forking a non-cygwin program only,
> or have that as a third option. (I think I had suggested this before.)
> It's good we had pseudo console in unconditionally now for a while, as that
> apparently helped identifying a bunch of issues, but targetting it to where
> it's really needed would further help to avoid future trouble, including any
> performance issues as recently reported.
> I'm willing to prepare a patch if desired, as I had implemented that
> condition already for my earlier "winpty injection" proposal.
> Thomas

Interesting idea, but given that all the Pseudo Console code in
Cygwin is from Takashi, he should decide how to go forward.

Takashi?  What do you think?


Corinna Vinschen
Cygwin Maintainer
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