Re: [Qemu-devel] handling SIGWINCH with qemu -nographic

[Rob Landley <rob@landley.net>]

On Tuesday 16 October 2007 3:51:29 pm Stefan Weil wrote:
> Jeff Carr schrieb:
> > On 10/15/07 19:32, Paul Brook wrote:
> >> qemu emulates a real machine. Signals are an operating system
> >> concept, so your
> >> question makes no sense. Configure your guest OS exactly the same way
> >> you
> >> would a real machine with a serial console.
> >
> > OK. I thought there might be a way.
>
> I think your question is quite reasonable. Imagine a Linux host
> running X Windows and a terminal like xterm or kconsole.

This is why ssh was invented.  That passes through terminal information just 
fine.  QEMU does have a virtual network...

> Then run a program like "top" or "less" in this terminal.
> When a user changes the size of the console window, top, less
> and other console applications get notified of this change by SIGWINCH.

You can also set the environment variables COLUMNS and LINES to the 
appropriate values.  Most things will parse that and use it if the tty info 
isn't available.

Rob
-- 
"One of my most productive days was throwing away 1000 lines of code."
  - Ken Thompson.