diff options
| author | Alan Cox <alan@redhat.com> | 2008-08-15 13:39:38 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-15 21:34:07 +0400 |
| commit | 8c9a9dd0fa3a269d380eaae2dc1bee39e865fae1 (patch) | |
| tree | c4617de83246eb6b7ed9c125c5777f05b445c975 /include/linux/tty_driver.h | |
| parent | 21d3bdb1606311a2900eabccfcb5a887952e2c44 (diff) | |
| download | linux-8c9a9dd0fa3a269d380eaae2dc1bee39e865fae1.tar.xz | |
tty: remove resize window special case
This moves it to being a tty operation. That removes special cases and now
also means that resize can be picked up by um and other non vt consoles
which may have a resize operation.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/tty_driver.h')
| -rw-r--r-- | include/linux/tty_driver.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index e1065ac0d922..16d27944c321 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -168,6 +168,18 @@ * * Optional: If not provided then the write method is called under * the atomic write lock to keep it serialized with the ldisc. + * + * int (*resize)(struct tty_struct *tty, struct tty_struct *real_tty, + * unsigned int rows, unsigned int cols); + * + * Called when a termios request is issued which changes the + * requested terminal geometry. + * + * Optional: the default action is to update the termios structure + * without error. This is usually the correct behaviour. Drivers should + * not force errors here if they are not resizable objects (eg a serial + * line). See tty_do_resize() if you need to wrap the standard method + * in your own logic - the usual case. */ #include <linux/fs.h> @@ -206,6 +218,8 @@ struct tty_operations { int (*tiocmget)(struct tty_struct *tty, struct file *file); int (*tiocmset)(struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear); + int (*resize)(struct tty_struct *tty, struct tty_struct *real_tty, + struct winsize *ws); #ifdef CONFIG_CONSOLE_POLL int (*poll_init)(struct tty_driver *driver, int line, char *options); int (*poll_get_char)(struct tty_driver *driver, int line); |