SOCK_BINDPORT_LOCK
newsk->sk_userlocks = sk->sk_userlocks & ~SOCK_BINDPORT_LOCK;
sk->sk_userlocks |= SOCK_BINDPORT_LOCK;
yes = !(entry->userlocks & SOCK_BINDPORT_LOCK);
sk->sk_userlocks |= SOCK_BINDPORT_LOCK;
!(sk->sk_userlocks & SOCK_BINDPORT_LOCK))
(sk->sk_userlocks & SOCK_BINDPORT_LOCK))
if (!(sk->sk_userlocks & SOCK_BINDPORT_LOCK)) {
sk->sk_userlocks |= SOCK_BINDPORT_LOCK;