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On Oct 22 09:20, Michael Haubenwallner wrote: > Hi Takashi, > > On 10/18/19 1:37 PM, Takashi Yano wrote: > > --- > > winsup/cygwin/fhandler_tty.cc | 21 ++++++++++++++++++++- > > winsup/cygwin/tty.cc | 1 + > > winsup/cygwin/tty.h | 1 + > > 3 files changed, 22 insertions(+), 1 deletion(-) > > > > diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc > > index da6119dfb..163f93f35 100644 > > --- a/winsup/cygwin/fhandler_tty.cc > > +++ b/winsup/cygwin/fhandler_tty.cc > > @@ -1305,6 +1305,20 @@ fhandler_pty_slave::write (const void *ptr, size_t len) > > if (bg <= bg_eof) > > return (ssize_t) bg; > > > > + if (get_ttyp ()->need_clear_screen_on_write) > > + { > > + const char *term = getenv ("TERM"); > > + if (term && strcmp (term, "dumb") && !strstr (term, "emacs") && > > + wcsstr (myself->progname, L"\\usr\\sbin\\sshd.exe")) > > Again, my real problem does not utilize ssh at all, but is some python script > using multiple pty.openpty() to spawn commands inside, to allow for herding > all the subprocesses started by the commands (Ctrl-C or similar). > > The ssh -t is just the sample showing a similar effect. > > Unfortunately, I'm not deep enough into that python script to quickly provide > a test case with pty.openpty() combined with all the tty settings used there. > > I've started to extract the important bits, but that may take a while. OTOH, > this is an open source project if you like to try yourself: prefix.gentoo.org > > Thanks! > /haubi/ In terms of clearing the screen at all, what's your opinion, Michael? Corinna -- Corinna Vinschen Cygwin Maintainer
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