Lines Matching refs:open
135 struct mutex lock; /* protect open/close */
397 /* push data to (open) tty */
611 /* allocate circular buffer on first open */
617 * portmaster's mutex still protects from simultaneous open(),
632 /* already open? Great. */
669 /* return true on disconnect or empty buffer or if raced with open() */
855 .open = gs_open,
1291 * necessarily start I/O queues; unless the TTY is held open by any
1346 /* if it's already open, start I/O ... and notify the serial
1347 * protocol about open/close status (connect/disconnect).