TTY_EXCLUSIVE 1271 drivers/tty/tty_io.c if (test_bit(TTY_EXCLUSIVE, &tty->flags) && !capable(CAP_SYS_ADMIN)) TTY_EXCLUSIVE 2581 drivers/tty/tty_io.c set_bit(TTY_EXCLUSIVE, &tty->flags); TTY_EXCLUSIVE 2584 drivers/tty/tty_io.c clear_bit(TTY_EXCLUSIVE, &tty->flags); TTY_EXCLUSIVE 2588 drivers/tty/tty_io.c int excl = test_bit(TTY_EXCLUSIVE, &tty->flags);