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Re: OpenBSD Port: rxvt race causes winsize of terminal to be incorrect

From: Jacob Meuser (jakemsrsdf.lonestar.org)
Date: Wed Aug 25 2010 - 16:47:48 CDT


I think you need to go talk to the rxvt folks.

this says you're using obsd 4.5. what's the status on more recent
releases?

On Wed, Aug 25, 2010 at 02:43:18PM -0400, Nathan Houghton wrote:
> Hello. I emailed Jason Ish about this bug, however he says that
> he does not have time to work on this port.
>
> Thanks,
> -Nate
>
> ----- Forwarded message from Nathan Houghton <natex84gmail.com> -----
>
> Date: Sat, 21 Aug 2010 15:27:42 -0400
> From: Nathan Houghton <natex84gmail.com>
> To: Jason Ish <ishopenbsd.org>
> Subject: OpenBSD Port: rxvt race causes winsize of terminal to be incorrect
>
> Hi Jason,
>
> Here is a bug report for the openbsd rxvt port.. I initially
> submitted it using sendbug, but was instructed to send it on to
> you.
>
> >Number: 6450
> >Category: ports
> >Synopsis: rxvt race causes winsize of terminal to be
> incorrect
> >Confidential: yes
> >Severity: serious
> >Priority: medium
> >Responsible: bugs
> >State: closed
> >Quarter:
> >Keywords:
> >Date-Required:
> >Class: sw-bug
> >Submitter-Id: unknown
> >Arrival-Date: Sat Aug 21 17:20:01 GMT 2010
> >Closed-Date: Sat Aug 21 11:42:46 MDT 2010
> >Last-Modified: Sat Aug 21 11:42:46 MDT 2010
> >Originator:
> >Release:
> >Organization:
> >Environment:
> System : OpenBSD 4.5
> Details : OpenBSD 4.5-stable (GENERIC) #2: Tue Aug 17
> 23:04:08 EDT 2010
>
> rootiron.brainwerk.org:/usr/src/sys/arch/i386/compile/GENERIC
>
> Architecture: OpenBSD.i386
> Machine : i386
> >Description:
> A race condition exists in rxvt during startup that can
> cause the terminal size to be set (with ioctl TIOCSWINSZ)
> to the size determined by the rxvt window size, followed
> by setting the terminal size to 80x24, resulting in a
> large
> rxvt window that has only an 80x24 size terminal usable
> inside.
> >How-To-Repeat:
> Use a window manager such as scrotwm that will
> immediately
> resize the terminal window when it is launched. Simply
> launch rxvt. Inside rxvt run something like vi, or use
> TIOCGWINSZ to get the terminal size. It will be set to
> 80x24. After a window resize the terminal size will be
> corrected.
> >Fix:
>
> Don't call rxvt_tt_winsize in both processes during
> initialization.
>
> --- src/init.c.orig Sat Aug 21 00:30:38 2010
> +++ src/init.c Sat Aug 21 00:30:56 2010
> -1316,6 +1316,9
> /* need to trap SIGURG for SVR4 (Unixware) rlogin */
> /* signal (SIGURG, SIG_DFL); */
>
> +/* set window size */
> + rxvt_tt_winsize(STDIN_FILENO, r->TermWin.ncol,
> r->TermWin.nrow);
> +
> #ifndef __QNX__
> /* spin off the command interpreter */
> switch (r->h->cmd_pid = fork()) {
> -1398,9 +1401,6
> }
> #endif /* SRIOCSREDIR */
> }
> -
> - /* set window size */
> - rxvt_tt_winsize(STDIN_FILENO, r->TermWin.ncol,
> r->TermWin.nrow);
>
> /* reset signals and spin off the command interpreter */
> signal(SIGINT, SIG_DFL);
>
>
> -Nate
>
> ----- End forwarded message -----

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