Re: Why no "Kill App"??

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On Friday 27 December 2002 01:06 am, greg wrote:

> > "kill app" always did something completely stupid - it called close()
> > on the application's X server connection. If the app was stuck in an
> > infinite loop or otherwise stuck, "kill app" wouldn't. Kill the app
> > that is. It didn't work, it's that simple. Quite apart from any
> > usability rationale.
> >
> > If you close a GTK 2 app (and hopefully Qt3.1 apps, though I haven't
> > checked if Troll Tech added support), if the app is locked up
> > metacity will offer to kill it for you. And when metacity kills it
> > will (when possible) use "kill", not close() on the X server
> > connection. kwin may do the same, I don't know.
> >
> > If you run non-GTK2/Qt3.1 apps, add a launcher to your panel that
> > runs xkill. Very easy, if you actually know enough about the
> > technical details to have any business calling close() on an X server
> > connection in the first place. (If you don't understand what that
> > implies, then you should not use xkill, because you won't understand
> > why xkill frequently doesn't work or what to do when it fails.)
> >
> > Another GUI approach to the problem is System Tools -> System Monitor
> > and kill from there.
> >
> > And if you have an app that locks up all the time, please report that
> > bug...
> >
> > Havoc

> Or, even lazier people, can just press ctrl+alt+esc, which is the same
> as kill -9.  A scull appears on the screen, and you just click on the
> program which is no longer responding.

ctrl-alt-esc doesn't issue a kill -9, it calls Xkill. See Havoc's points 
above. There is a good reason the cursor changes to a skull and 
crossbones. ;) The xkill man page tells you that the command is 
dangerous:

DESCRIPTION
Xkill is a utility for forcing the X server  to  close  connections  to
clients.   This  program  is very dangerous, but is useful for aborting
programs that have displayed undesired windows on a user's screen.

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