[ee122] fd_sets in select()

[Daniel Killebrew]

Ben Wang wrote:
> Hi all,
> I was wondering if the read set and write set for the select() call 
> can be the same set. 
Yes they can.
> Also when do we need the except set? Thanks!
>
If you want your thread thats sleeping on select to be woken up if an 
exception occurs on one or more file handles.

Daniel
> -- 
> cheers
>
> Ben Wang
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