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Date:      Fri, 06 Apr 2001 01:58:58 -0600
From:      Brett Glass <brett@lariat.org>
To:        Robert Watson <rwatson@FreeBSD.ORG>
Cc:        John Baldwin <jhb@FreeBSD.ORG>, Johann Visagie <johann@egenetics.com>, Freebsd-chat@FreeBSD.ORG, Dag-Erling Smorgrav <des@ofug.org>
Subject:   Re: corporate announcement
Message-ID:  <4.3.2.7.2.20010406015658.04439ea0@localhost>
In-Reply-To: <Pine.NEB.3.96L.1010406012504.46990H-100000@fledge.watson.o rg>
References:  <4.3.2.7.2.20010405160153.00e5b4d0@localhost>

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At 11:25 PM 4/5/2001, Robert Watson wrote:

>My understanding is that that was a result of an application bug rather
>than the OS, and had to do with a priority inversion.

RTOSes are supposed to recognize and handle priority inversion problems.
I think it was Jack Crenshaw who wrote about the algorithms for this in
Embedded Systems programming not long ago.

Of course, badly written applications can fail despite the OS's attempts
to set things right....

--Brett


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