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| author | Alan Cox <alan@redhat.com> | 2008-10-13 10:42:19 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-13 09:51:42 -0700 |
| commit | 8b0a88d5912ab549d5adac2c8498ecdaae5319a5 (patch) | |
| tree | 8ed71420259881fd6d1dd5f5841ffe2f3c5d1fa2 /include/linux/tty_driver.h | |
| parent | 7d7b93c1452f381350dbaf276a63357fa6559e6d (diff) | |
| download | kernel_samsung_aries-8b0a88d5912ab549d5adac2c8498ecdaae5319a5.zip kernel_samsung_aries-8b0a88d5912ab549d5adac2c8498ecdaae5319a5.tar.gz kernel_samsung_aries-8b0a88d5912ab549d5adac2c8498ecdaae5319a5.tar.bz2 | |
tty: More driver operations
We have the lookup operation abstracted which is nice for pty cleanup but
we really want to abstract the add/remove entries as well so that we can
pull the pty code out of the tty core and create a clear defined interface
for the tty driver table.
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 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index ba891dd..005d06a 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -15,6 +15,20 @@ * * Optional method. Default behaviour is to use the ttys array * + * int (*install)(struct tty_driver *self, struct tty_struct *tty) + * + * Install a new tty into the tty driver internal tables. Used in + * conjunction with lookup and remove methods. + * + * Optional method. Default behaviour is to use the ttys array + * + * void (*remove)(struct tty_driver *self, struct tty_struct *tty) + * + * Remove a closed tty from the tty driver internal tables. Used in + * conjunction with lookup and remove methods. + * + * Optional method. Default behaviour is to use the ttys array + * * int (*open)(struct tty_struct * tty, struct file * filp); * * This routine is called when a particular tty device is opened. @@ -212,6 +226,8 @@ struct tty_driver; struct tty_operations { struct tty_struct * (*lookup)(struct tty_driver *driver, int idx); + int (*install)(struct tty_driver *driver, struct tty_struct *tty); + void (*remove)(struct tty_driver *driver, struct tty_struct *tty); int (*open)(struct tty_struct * tty, struct file * filp); void (*close)(struct tty_struct * tty, struct file * filp); void (*shutdown)(struct tty_struct *tty); |