On Wed, Oct 10, 2012 at 8:31 PM, V G <x.solarwind.x@gmail.com> wrote:
> Thanks for the info, guys.
>
> I missed the major point that caused my confusion:
>
> select() waits until I/O is available based on its timeout argument. I wa=
s
> under the impression that it returned immediately and would constantly ke=
ep
> the loop running at full speed if I/O is not available. Now it all makes
> sense.
>
> In addition, epoll() and kqueue() are better to use than select since
> they're O(1) whereas select() is O(n).


Also, note the poll() implementations across various *nix platforms vary
http://www.greenend.org.uk/rjk/tech/poll.html
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