Experimental Physics and
Industrial Control System

Benjamin Franksen <[email protected]> · Thu, 17 Nov 2005 19:00:48 +0100

On Thursday 17 November 2005 16:41, Jeff Hill wrote:
> > >Could you plese elaborate what you meant with shutdown for read or
> > > write end of socket? I can't see how to do more than call
> > > epicsSocketDestroy.
>
> You could call "shutdown ( sock, SHUT_RD)" since messages are never
> read from this socket. That frees up a few resources in the IP kernel
> and makes the IOC somewhat more immune to external tampering. With a
> client side TCP socket I believe that this would need to be done
> immediately after the socket connects - or reconnects.

Ok, thanks for this (and your other) explanation. I didn't know the 
shutdown call. One more question: Can I assume that this call exists on 
all suported target platforms?

Ben

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System