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List:       freebsd-hackers
Subject:    Re: Sockets programming question
From:       Adrian Chadd <adrian () freebsd ! org>
Date:       2013-01-29 17:56:42
Message-ID: CAJ-Vmo=rV5+zmPAxyLjuK1H_Yxu-cpQ=93rEONfex7ywrEYHEA () mail ! gmail ! com
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On 29 January 2013 09:46, Ian Lepore <ian@freebsd.org> wrote:

> You can't use EOF on a read() to determine client life when the nature
> of the client/server relationship is that clients are allowed to
> shutdown(fd, SHUT_WR) as soon as they connect because they expect to
> receive but never send any data.
>
> On the other hand, Alfred's suggestion of using poll(2) rather than
> select(2) worked perfectly.  Polling with an events mask of zero results
> in it returning POLLHUP in revents if the client has closed the socket.

Just make sure that's portable.. :-)



adrian
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