diff options
Diffstat (limited to 'drivers/tty/tty_io.c')
| -rw-r--r-- | drivers/tty/tty_io.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index a3eba7f359ed..739ea86c1cf1 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -2687,6 +2687,11 @@ long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg) case TIOCNXCL: clear_bit(TTY_EXCLUSIVE, &tty->flags); return 0; + case TIOCGEXCL: + { + int excl = test_bit(TTY_EXCLUSIVE, &tty->flags); + return put_user(excl, (int __user *)p); + } case TIOCNOTTY: if (current->signal->tty != tty) return -ENOTTY; |