Re: [microblaze-uclinux] Modbus TCP/IP module

[alucero@xxxxxxxxx]

You must use vfork instead. This is a uClinux limitation.

Regards.

On Thursday 26 January 2006 17:25, Raul Camaras wrote:
> Sorry, fork() doesn't seem to work! it returns -1.
> Does anyone know how to get it working?
> thanks
> best regards,
> Raul
>
> Am Do, den 26.01.2006 schrieb Raul Camaras um 14:42:
> > Hi all,
> > here is our modbus TCP/IP module that we use with uClinux. It was
> > programmed of course under linux. It offers functions 3(read) and
> > 16(write) for multiple holding registers, so as multiple client
> > connections. The port used is the standard for modbus, the 502.
> >
> > Hope this heps somehow. One of my problems programming TCP/IP with
> > uClinux was a big delays(of about 1 or 2 minutes) when communicating two
> > uClinux via TCP/IP, does somebody has any idea or work around for this?
> > I looked already the traffic with tcpdump, and actually, it delays.
> >
> > Best regards,
> > Raul
>
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