taglinefilesource code
close_wait1557drivers/char/serial.cwake_up_interruptible(&info->close_wait);
close_wait1599drivers/char/serial.cinterruptible_sleep_on(&info->close_wait);
close_wait2038drivers/char/serial.cinfo->close_wait = 0;
close_wait45include/linux/serial.hstruct wait_queue  *close_wait;