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Re: emulating no-senders notifications in L4?

From: Ondrej Hurt
Subject: Re: emulating no-senders notifications in L4?
Date: Thu, 27 Dec 2001 16:41:05 +0100 (CET)

> > The exception handler thread must be reliable i.e. in some trusted
> > task so we can count on it that it releases resources like port
> > rights and the failing task gets killed.

> As I understand it, this is not true.  The exception handler thread
> does not need to be reliable.  The only thing that actually needs to
> be reliable is the task manager that can actually kill tasks.  (It
> makes sense of course for the L4 port to just put that code into the
> existing proc server.)

But how will the task manager know it should delete a task and
perform some cleanup, if it is not told by its incapacitated
exception handler ? You would have to check all tasks periodically,
no ?

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