diff options
| author | Peter Hurley <peter@hurleysoftware.com> | 2016-01-09 21:13:44 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-01-26 23:17:54 -0800 |
| commit | 0bfd464d3fdd5bb322f9cace4cc47f1796545cf7 (patch) | |
| tree | 39464f856fd4dc6b58c31e2cfbbbb882ce3b7ec1 /include | |
| parent | 92e963f50fc74041b5e9e744c330dca48e04f08d (diff) | |
tty: Wait interruptibly for tty lock on reopen
Allow a signal to interrupt the wait for a tty reopen; eg., if
the tty has starting final close and is waiting for the device to
drain.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Cc: stable <stable@vger.kernel.org> # 4.4
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/tty.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/tty.h b/include/linux/tty.h index 2fd8708ea888..d9fb4b043f56 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -649,6 +649,7 @@ extern long vt_compat_ioctl(struct tty_struct *tty, /* tty_mutex.c */ /* functions for preparation of BKL removal */ extern void __lockfunc tty_lock(struct tty_struct *tty); +extern int tty_lock_interruptible(struct tty_struct *tty); extern void __lockfunc tty_unlock(struct tty_struct *tty); extern void __lockfunc tty_lock_slave(struct tty_struct *tty); extern void __lockfunc tty_unlock_slave(struct tty_struct *tty); |