Fujii Masao <masao.fujii@gmail.com> writes:
> I'm not sure whether poll(2) should be called for this purpose. But
> poll(2) and select(2) seem to often come together in the existing code.
> We should follow such custom?
Yes. poll() is usually more efficient, so it's preferred, but not all
platforms have it. (On the other side, I think Windows might have
only poll and not select.)
regards, tom lane