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author | Ingo Molnar <mingo@elte.hu> | 2008-08-26 10:25:59 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-08-26 10:25:59 +0200 |
commit | 3cf430b0636045dc524759a0852293ba037732a7 (patch) | |
tree | 2c4e03f9028dc23ab4e6ca5a3a5a263af397984f /include/linux/tty_driver.h | |
parent | 93dcf55f828b035fc93fc19eb03c1390e1e6d570 (diff) | |
parent | 83097aca8567a0bd593534853b71fe0fa9a75d69 (diff) | |
download | linux-next-3cf430b0636045dc524759a0852293ba037732a7.tar.gz |
Merge branch 'linus' into sched/devel
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); |