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Date: Fri, 22 Nov 2002 10:18:22 +0100
From: Alex Riesen <Alexander.Riesen@synopsys.com>
To: davids@webmaster.com
Cc: Nivedita Singhvi <niv@us.ibm.com>, linux-kernel@vger.kernel.org
Subject: Re: TCP memory pressure question
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On Thu, Nov 21, 2002 at 05:27:45PM -0800, Nivedita Singhvi wrote:
> > When a Linux machine has reached the tcp_mem limit, what will happen to 
> > 'write's on non-blocking sockets? Will they block until more TCP memory is 
> > available? Will they return an error code? ENOMEM?
> > 
> > If it varies by kernel version, details about different versions would be 
> > extremely helpful. I'm most interested in late 2.4 kernels.
> > 
> >  Thanks in advance.
> Returns EAGAIN.
> Fairly static ~late 2.4.

returns number of bytes sent and sets errno to EAGAIN.

-alex
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