taglinefilesource code
TCP_CLOSING1668net/inet/tcp.csk->state == TCP_CLOSING ||
TCP_CLOSING2286net/inet/tcp.ccase TCP_CLOSING:
TCP_CLOSING2430net/inet/tcp.celse if (sk->state != TCP_CLOSING)
TCP_CLOSING2962net/inet/tcp.cif (sk->state == TCP_CLOSING) 
TCP_CLOSING3401net/inet/tcp.ccase TCP_CLOSING:
TCP_CLOSING3424net/inet/tcp.ctcp_set_state(sk,TCP_CLOSING);
TCP_CLOSING3970net/inet/tcp.ccase TCP_CLOSING:
TCP_CLOSING4285net/inet/tcp.csk->state != TCP_CLOSING
TCP_CLOSING198net/inet/timer.cif (sk->state == TCP_FIN_WAIT1 || sk->state == TCP_FIN_WAIT2 || sk->state == TCP_CLOSING)