netdev - Re: sendfile()? Re: SO_LINGER dead: I get an immediate RST on 2.6.24?

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Message-Id: <20090115013344.4b85a26d.billfink@mindspring.com>
Date:	Thu, 15 Jan 2009 01:33:44 -0500
From:	Bill Fink <billfink@...dspring.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	ilpo.jarvinen@...sinki.fi, zbr@...emap.net,
	bert.hubert@...herlabs.nl, h.willstrand@...il.com,
	netdev@...r.kernel.org
Subject: Re: sendfile()? Re: SO_LINGER dead: I get an immediate RST on
 2.6.24?

On Wed, 14 Jan 2009, Herbert Xu wrote:

> On Wed, Jan 14, 2009 at 04:05:50AM -0500, Bill Fink wrote:
> >
> > Well, my man tcp(7) just says:
> > 
> >    SIOCOUTQ
> >           Returns the amount of unsent data in the socket send queue.  The
> >           socket must not be in LISTEN state, otherwise an error  (EINVAL)
> >           is returned.
> 
> You still read man pages? :)
> 
> If you look at the actual code, SIOCOUTQ returns
> 
> 	tp->write_seq - tp->snd_una
> 
> Really you can't get any more precise than that for what you want.

Thanks for the clarification!  That does make it crystal clear.

						-Bill
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