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

Alexander Best alexbestms at math.uni-muenster.de
Fri Oct 23 12:16:52 UTC 2009


Gary Jennejohn schrieb am 2009-10-23:
> On Fri, 23 Oct 2009 12:58:43 +0400
> pluknet <pluknet at gmail.com> wrote:

> > 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.


> SIGWINCH is handled in new_curse.c, but it's not being
> compiled/linked.

> ---
> Gary Jennejohn

i just tried building ee under linux without using new_curse.c and linking the
executable against ncurses. running the binary is showing the same problems
with SIGWINCH. so if this is in fact caused by a ncurses bug the bug appears
in linux ncurses too.

alex


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