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Subject: Re: [PATCH] Re: Negative scalability by removal of  lock_kernel()?(Was:Strange
To: dean-list-linux-kernel@arctic.org (dean gaudet)
Date: Sat, 4 Nov 2000 20:43:41 +0000 (GMT)
Cc: andrewm@uow.edu.au (Andrew Morton), kumon@flab.fujitsu.co.jp,
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In-Reply-To: <Pine.LNX.4.21.0011041203300.22526-100000@twinlark.arctic.org> from "dean gaudet" at Nov 04, 2000 12:11:11 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> sysv semaphores have a very unfortunate negative feature -- if the admin
> kill -9's the server (impatient admins do this all the time) then you end
> up leaving a semaphore lying around.  sysvsem don't have the usual unix

Umm they have SEM_UNDO. Its a case of deeper magic


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