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Date:      Fri, 10 Jan 2003 10:41:25 -0800 (PST)
From:      Nate Lawson <nate@root.org>
To:        Sam Leffler <sam@errno.com>
Cc:        current@FreeBSD.ORG, re@FreeBSD.ORG
Subject:   Re: Serious issues with kqueue on sockets on CURRENT.
Message-ID:  <Pine.BSF.4.21.0301101036310.24355-100000@root.org>
In-Reply-To: <12d201c2b8cd$a52a1440$52557f42@errno.com>

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On Fri, 10 Jan 2003, Sam Leffler wrote:
> unless the mbufs are specifically tagged as such.  I'm not clear on exactly
> what sb_ctl is supposed to count; the comment in the cvs log is unclear:
> 
> "Track the number of non-data chararacters stored in socket buffers so that
> the data value returned by kevent()'s EVFILT_READ filter on non-TCP
> sockets accurately reflects the amount of data that can be read from the
> sockets by applications."
> 
> What are "non-data characters"?

A very zen question.  :)  In this case, It probably means bytes carried in
an mbuf with a type other than MT_DATA.

-Nate



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