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Date: Tue, 6 Jul 1999 15:06:14 -0400
From: Chris Faylor <cygwin AT sourceware DOT cygnus DOT com>
To: Ian T Zimmerman <itz AT lbin DOT com>
Cc: cygwin AT sourceware DOT cygnus DOT com
Subject: Re: window size hook
Message-ID: <19990706150614.D1219@cygnus.com>
References: <8753gpfnnu DOT fsf AT amazon DOT lbin DOT com>
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In-Reply-To: <8753gpfnnu.fsf@amazon.lbin.com>; from Ian T Zimmerman on Tue, Jul 06, 1999 at 05:51:25PM +0000

On Tue, Jul 06, 1999 at 05:51:25PM +0000, Ian T Zimmerman wrote:
>In a Cygwin window:
>
>amazon:~$ trap 'echo CAUGHT' SIGWINCH
>amazon:~$ stty -a
>speed 38400 baud; rows 40; columns 100; line = 0; intr = ^C; quit =
>^\; erase = ^?; kill = ^U; eof = ^D; eol = <undef>; eol2 = <undef>;
>start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R; werase = ^W; lnext = ^V;
>flush = ^O; min = 1; time = 0; -parenb -parodd cs8 -hupcl -cstopb
>cread -clocal -crtscts -ignbrk brkint -ignpar -parmrk -inpck -istrip
>-inlcr -igncr icrnl ixon -ixoff -iuclc -ixany
>-imaxbel
>opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0
>isig icanon iexten echo -echoe -echok -echonl -noflsh -tostop -echoctl -echoke
>amazon:~$ stty -a
>speed 38400 baud; rows 35; columns 97; line = 0;
>intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ^D; eol = <undef>; eol2 = <undef>;
>start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R; werase = ^W; lnext = ^V; flush = ^O;
>min = 1; time = 0;
>-parenb -parodd cs8 -hupcl -cstopb cread -clocal -crtscts
>-ignbrk brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr icrnl ixon
>-ixoff -iuclc -ixany
>-imaxbel
>opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0
>isig icanon iexten echo -echoe -echok -echonl -noflsh -tostop -echoctl
>-echoke
>
>
>I can see looking at winsup/fhandler_console.cc and
>winsup/fhandler_tty.cc that code exists there which was clearly
>intended to do this thing; it doesn't seem to work though.
>
>One interesting observation is that I get the wrong behaviour even in
>an xterm run on the local machine (the one from Suhaib's X11R6.4
>bundle).  This would seem to indicate that the problem is not with
>sending SIGWINCH itself (as the X server and protocol should take care 
>of that) but some process group/session confusion.
>
>
>Setup is NT WS 4, SP5, NTFS, binary mount, CYGWIN=tty ntea.

Patches gratefully accepted.

cgf

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