[xmonad] exiting: asking for confirmation (or a four-key combination)

wagnerdm at seas.upenn.edu wagnerdm at seas.upenn.edu
Sat Nov 12 20:50:11 CET 2011

Quoting Brandon Allbery <allbery.b at gmail.com>:

> Meh, right problem, wrong specifics.  xmonad's main loop isn't running, so
> the problem manifests when another program opens a non-override_redirect
> window.
> - the program may block waiting on xmonad to respond to ConfigureRequest-s,
> while xmonad is blocked on its output;
> - a badly behaved program may map its window anyway, and you won't be able
> to do anything about it if it pops over the dmenu.
> (I am a little surprised *dmenu* doesn't trigger #1, which makes me think
> it's either using override_redirect or it's case #2.)

I'm an X novice, so you'll have to spell out the conclusion a little  
more explicitly for me. Does this mean that spawning *some* program  
might cause problems, but dmenu happens not to? Or does it mean that  
even dmenu is unsafe? If even dmenu is unsafe, can you give a concrete  
sequence of things to do that should break things? A specific program  
to run, key- or mouse click-sequence to hit, or so on?


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