Re: RPG Socket API help?

[Robert Upshall <rupshall@xxxxxxxxxxx>]

Thanks, I went back through your tutorials and found the non-blocking 
code.  I now have another problem.

Whenever I set the port to be non-blocking, the connect fails.  Have you 
ever experienced that before?



Scott Klement wrote:
> The recv() API doesn't have a timeout capability.  Don't let this stop 
> you, however.  There are (at least) two ways to time out a socket.
>
> a) you can call the select() API to see if there's data to receive. 
> Select can wait until there's data to receive, or until a timeout occurs. 
> If you call it before calling recv() each time you can write your code so 
> that it only calls recv() if there's data to receive -- if a timeout 
> occurs, you don't call recv(), you just say "time out!"
>
> b) You can use the alarm() API to have the system send you a signal after 
> a specified number of seconds.  If your program receives a signal, it will 
> abort a socket API. The recv() API will return -1 and set errno to EINTR 
> (which means "interrupted by signal")
>
> If you always tell it to send you a signal before calling recv(), this 
> will result in a timeout.
>
> I've described both of these techniques, and even provided sample code, on 
> this list in the past.  Please search the archives.
>
> ---
> Scott Klement http://www.scottklement.com
>
> On Tue, 8 Aug 2006, Robert Upshall wrote:
>
> > Can anybody tell me if it is possible to set the timeout value on a
> > socket receive?
> >
> >
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