diff options
Diffstat (limited to 'drivers/tty/tty_io.c')
| -rw-r--r-- | drivers/tty/tty_io.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index a3eba7f359e..da9fde85075 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -236,7 +236,7 @@ void tty_free_file(struct file *file) } /* Delete file from its tty */ -void tty_del_file(struct file *file) +static void tty_del_file(struct file *file) { struct tty_file_private *priv = file->private_data; @@ -554,7 +554,7 @@ EXPORT_SYMBOL_GPL(tty_wakeup); * tasklist_lock to walk task list for hangup event * ->siglock to protect ->signal/->sighand */ -void __tty_hangup(struct tty_struct *tty) +static void __tty_hangup(struct tty_struct *tty) { struct file *cons_filp = NULL; struct file *filp, *f = NULL; @@ -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; |