RE: [rtl] Networking With RT-Linux

["Michael Frank" <mfrank@allot.com>]

Hi, Alex!

	I am using this option for a long time in several situations 
and I have not experienced any problem.
	In every case, TCP_NODELAY has nothing in common with 
blocking, non-blocking functionality. It is connected 
to so-called "Nagle's Rule"(see linux/net/ipv4/tcp.c file)

> -----Original Message-----
> From: Aleksandar Bakic [mailto:bakicale@brazil.tcimet.net]
> Sent: Friday, November 19, 1999 11:58 AM
> To: Michael Frank
> Cc: RT-Linux Mailing List
> Subject: Re: [rtl] Networking With RT-Linux
> 
> 
> "Michael Frank" <mfrank@allot.com> writes:
> 
> > The right option to make socket non-blocking one is
> > 
> >    fcntl(fd, F_SETFL, O_NONBLOCK)
> 
> Hm... I actually used this in one application long time ago, but
> removed it because it behaved strangely. (Could be just that some data
> were lost due to lack of buffer space; the TCP_NODELAY seemed better,
> although I can't remember exactly what it does.)
> 
> Thanks,
> Aleks
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