ST_STATE_CLOSING
((un->un_state == ST_STATE_CLOSING) && (cmd == SCMD_REWIND))) {
(un->un_laststate == ST_STATE_CLOSING)))) {
(un->un_state == ST_STATE_CLOSING)) {
un->un_state = ST_STATE_CLOSING;
#define IS_CLOSING(un) ((un)->un_state == ST_STATE_CLOSING || \
(un)->un_laststate == ST_STATE_CLOSING))