help needed to fix contrib/ee crash/exit when receiving SIGWINCH

Alexander Best alexbestms at math.uni-muenster.de
Fri Oct 23 10:42:29 UTC 2009


pluknet schrieb am 2009-10-23:
> 2009/10/23 Antony Mawer <lists at mawer.org>:
> > On Fri, Oct 23, 2009 at 1:35 PM, Alexander Best
> > <alexbestms at math.uni-muenster.de> wrote:
> >> hi everyone,

> >> together with hugh mahon (the author of ee) i've been trying to
> >> fix a nasty
> >> bug in ee. for some reason ee exits (not crashes) and leaves the
> >> console
> >> corrupted when receiving SIGWINCH (`killall -SIGWINCH ee` should
> >> exit all
> >> running ee instances).

> > I noticed this the other day when working on a new 8.0-RC1
> > system...
> > in my case I was using putty (Windows ssh client) to access the
> > system
> > and maximised the window I had ee running in, and noticed ee just
> > dumped me straight to the prompt.

> > I am wondering if this has anything to do with the new tty
> > subsystem
> > in 8.0, as this wasn't a problem I've experienced before under
> > 7.x...


> No, that's a regression appeared in (FreeBSD'ish? version of) ee
> 1.5.0.

i'm not so sure this is entirely ee's fault. i just grabbed a really ancient
version of ee from http://www.anerd.org/sources/ (ee-1.4.2.src.tgz last
modified Jan 2001).

yet i see the very same behaviour as with ee 1.5.0. right now it looks more
like a tty or ncurses bug.

cheers.
alex


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