[ECOS] added poll function

["Wade Jensen" <Wade_Jensen at inter-tel dot com>]

Hello,

There are some previous posts about adding the poll function, but I don't see it
anywhere.  I added a poll function that works very similar to select but should
be a little faster than select.  Since it uses some of the select function's
data structures, I put poll in select.cxx and added poll.h.  Currently, it only
handles a couple events (like select).

I have only done a little testing.  Please let me know if something is not right
(I don't have a lot of experience with poll).

Thanks,
Wade

(See attached file: patch.poll)(See attached file: poll.h)


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Attachment: patch.poll
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Attachment: poll.h
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