net engine: notify receiver of UDP link close
authorJens Axboe <jens.axboe@oracle.com>
Mon, 19 Jan 2009 12:26:36 +0000 (13:26 +0100)
committerJens Axboe <jens.axboe@oracle.com>
Mon, 19 Jan 2009 12:26:36 +0000 (13:26 +0100)
Also optimize the send/receive path, only use poll() if the non-blocking
send/recv returned EAGAIN.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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