On Tue, 2015-12-01 at 16:04 +0900, Lorenzo Colitti wrote:
> + /* Don't race with BH socket closes such as inet_csk_listen_stop. */
> + local_bh_disable();
> + bh_lock_sock(sk);
> +
> + if (!sock_flag(sk, SOCK_DEAD)) {
> + smp_wmb(); /* Be consistent with tcp_reset */
This implements SOCK_DESTROY for TCP sockets. It causes all
blocking calls on the socket to fail fast with ECONNABORTED and
causes a protocol close of the socket. It informs the other end
of the connection by sending a RST, i.e., initiating a TCP ABORT
as per RFC 793. ECONNABORTED was chosen for co
