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Date:      Fri, 15 Nov 1996 10:17:30 -0600 (CST)
From:      Joe Greco <jgreco@brasil.moneng.mei.com>
To:        karl@mcs.net (Karl Denninger)
Cc:        jgreco@brasil.moneng.mei.com, karl@mcs.net, scrappy@ki.net, jdp@polstra.com, hackers@FreeBSD.org
Subject:   Re: Sockets question...
Message-ID:  <199611151617.KAA28016@brasil.moneng.mei.com>
In-Reply-To: <199611151613.KAA21230@Mercury.mcs.net> from "Karl Denninger" at Nov 15, 96 10:13:58 am

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> > > > Are you checking the return value from write() to make sure it actually
> > > > thinks that N bytes were _written_?
> > > > 
> > > > ... JG
> > > 
> > > Uh, hang on a second...
> > > 
> > > Are you saying that the behavior of a *TCP* connection is such that you
> > > would expect to see a write(2) call to the socket come back with a short
> > > count for any reason other than the remote having closed or some other 
> > > kind of transport error (ie: host unreachable, etc)?
> > 
> > Yes: a nonblocking socket write will most definitely display this
> > behaviour.
> 
> Yes, but I did not set nonblocking mode on that socket.

Did you receive a signal?  That is known to cause similar behaviour on
SunOS...

However, if you received a return value from write() equal to the number
of bytes you supplied to write(), I would state that the problem is
almost certainly elsewhere.

... JG



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