POLL_HUP
kill_fasync(&client->fasync, SIGIO, POLL_HUP);
kill_fasync(&client->fasync, SIGIO, POLL_HUP);
kill_fasync(&client->fasync, SIGIO, POLL_HUP);
kill_fasync(&client->fasync, SIGIO, POLL_HUP);
kill_fasync(&cfile->async_queue, sig, POLL_HUP);
sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_HUP);
kill_fasync(&client->fasync, SIGIO, POLL_HUP);
kill_fasync(&client->fasync, SIGIO, POLL_HUP);
kill_fasync(&client->async_queue, SIGIO, POLL_HUP);
kill_fasync(&sfp->async_qp, SIGPOLL, POLL_HUP);
fa_band = POLL_HUP;
kill_fasync(&idev->async_queue, SIGIO, POLL_HUP);
event->pending_kill = POLL_HUP;
sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_HUP);
sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_HUP);
sk_wake_async_rcu(sk, SOCK_WAKE_WAITD, POLL_HUP);
sk_wake_async(other, SOCK_WAKE_WAITD, POLL_HUP);
sk_wake_async(skpair, SOCK_WAKE_WAITD, POLL_HUP);