diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-08-20 12:39:18 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-08-20 12:39:18 +0200 |
commit | 170465ee7f5a9a2d0ac71285507e52642e040353 (patch) | |
tree | dbca81f04cde9e625170abbd6a72555cfbeb194e /include/linux/tty_driver.h | |
parent | 169ad16bb87c10a3f7c108bb7008ebc0270f617a (diff) | |
parent | 1fca25427482387689fa27594c992a961d98768f (diff) |
Merge branch 'linus' into x86/xen
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 e1065ac0d92..16d27944c32 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); |