Ondrej Hurt <[EMAIL PROTECTED]> writes:

> > And a task can not die violently since if it raises an exception this
> > exception is delivered to an exception handler thread which can handle
> > this situation.
> 
> The exception handler can get stuck itself somewhere and can ignore
> exception IPC forever. 

Not a problem; we would just require that this exception handler be a
trusted entity.

For this to work, it must be impossible for an unprivileged task to
change its exception handler.  In Mach, anyone can change their own
exception handler; in the proposed L4 scheme, will that still be so?



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