From: "Alan Cox" <alan@lxorguk.ukuu.org.uk>
> > Ok, but now the question is: which interrupt changes current->state?
Perhaps
> > a special boobytrap in the interrupt handlers could detect that?
>
> Numerous interrupt handlers change task->state. Every interrupt handler
that
> does a wake_up_interruptible() for example. It could easily be 'current'
Yes, my booby-trap was wrong:
* wake_up_interruptible() is ok: it add the the task back into the runqueue
* changing current->state _without_ adding back into the runqueue causes
corruptions.
--
Manfred
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This archive was generated by hypermail 2b29 : Tue Feb 15 2000 - 21:00:30 EST