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tty: remove resize window special case

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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>
This commit is contained in:
Alan Cox
2008-08-15 10:39:38 +01:00
committed by Linus Torvalds
parent 21d3bdb160
commit 8c9a9dd0fa
6 changed files with 121 additions and 54 deletions
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14
include/linux/tty_driver.h
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@@ -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);