On Thu, Jan 03, 2008 at 08:52:48PM +0200, Metin KAYA wrote:
> How select(2) will behave if I give the "utimeout" parameter as

According to the man page:

If timeout is not a null pointer, it specifies the maximum interval to
wait for the selection to complete. System activity can lengthen the
interval by an indeterminate amount.

If timeout is a null pointer, the select blocks indefinitely.

To effect a poll, the timeout argument should not be a null pointer, but
it should point to a zero-valued timeval structure.

-- Rick C. Petty
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