Date: Thu, 3 Jan 2008 13:22:45 -0600 From: "Rick C. Petty" <rick-freebsd@kiwi-computer.com> To: Metin KAYA <metin@EnderUNIX.org> Cc: freebsd-hackers@freebsd.org Subject: Re: select Message-ID: <20080103192245.GB90170@keira.kiwi-computer.com> In-Reply-To: <1571995824.20080103205248@EnderUNIX.org> References: <1571995824.20080103205248@EnderUNIX.org>
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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
> NULL?
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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