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| subject: | Re: kill |
From: Ellen K.
Novell has zombies. We had a lot of trouble with them earlier this year.
On Sat, 24 Sep 2005 16:09:21 -0700, "Rich" wrote in message
:
> Zombies are not what I meant. Zombies as they exist in unix do not exist
in Windows.
>
> The behavior I am describing is that you can't terminate a process or
thread at an arbitrary location in kernel mode. This is because the kernel
mode state must remain in a consistent state. In user mode this doesn't
matter because if you are killing a process with prejudice you explicitly
do not care about user mode state. Anyway, in order to keep kernel mode
state consistent threads only terminate at known good points. If the
thread is blocked in kernel mode at a point that it can not be woken in
order to be terminated cleanly, the termination needs to be defered until
such a point is reached. This is not a zombie at least as the reference to
which you linked uses the term.. This is also not specific to Windows.
>
>Rich
>
> "Tony Williams" wrote in message
news:4335ccdd{at}w3.nls.net...
> Frank Haber wrote:
> >> The process is killed and will terminate when it is unblocked.
> >
> >
> > What is this, some sort of Zen Kill, then? Do I have to
redefine "kill"
> > as a concept? It's not dead, Jim?
> >
> >
> > -zombie
>
> Exactly. They're called zombie processes and they can be a real nuisance.
>
> http://www.losurs.org/docs/zombies has a good explanation.
>
> --
> Tony
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