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DATAGRAM_POLL(9) Linux Networking DATAGRAM_POLL(9)

NAME

datagram_poll - generic datagram poll

SYNOPSIS

unsigned int datagram_poll(struct file * file, struct socket * sock, poll_table * wait);

ARGUMENTS

file
file struct
sock
socket
wait
poll table

DATAGRAM POLL

Again totally generic. This also handles sequenced packet sockets providing the socket receive queue is only ever holding data ready to receive.

NOTE

when you _don't_ use this routine for this protocol, and you use a different write policy from sock_writeable then please supply your own write_space callback.

COPYRIGHT

March 2016 Kernel Hackers Manual 3.2.