Andreas Raab wrote:
> p1 := [
>     (Delay forMilliseconds: 1000) wait.
> ] forkAt: Processor activePriority+1.
> p2 := [ | timout |
>     timout := Time millisecondClockValue+1000.
>     [[timeout < Time millisecondClockValue] whileTrue]
>         ensure:[p1 terminate].
> ] forkAt: Processor activePriority-1.
> (Delay forMilliseconds: 500) wait.
> p2 terminate.
> 
> For some reason this explodes with a nil DNU: < but I think the root 
> cause is the (nested) simulation of unwind handling.

Of course, if I'd ever learn how to spell "timeout" correctly, I might 
find out that that's not the problem. Back to the drawing board... (but 
I'm still not convinced that the problem isn't somewhere in the nested 
unwind-protect stuff).

Cheers,
   - Andreas