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| author |   Samuel Thibault <samuel.thibault@ens-lyon.org> | 2007-10-18 23:39:17 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-19 11:53:34 -0700 |
| commit | b293d758470e971253eec42b817bc9ef1213b228 (patch) | |
| tree | aafc6011762436cf3076798fee7140145908852c /include/linux/vt.h | |
| parent | Add kernel/notifier.c (diff) | |
| download | linux-dev-b293d758470e971253eec42b817bc9ef1213b228.tar.xz linux-dev-b293d758470e971253eec42b817bc9ef1213b228.zip | |
Console events and accessibility
Some external modules like Speakup need to monitor console output.
This adds a VT notifier that such modules can use to get console output events:
allocation, deallocation, writes, other updates (cursor position, switch, etc.)
[akpm@linux-foundation.org: fix headers_check]
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/vt.h')
| -rw-r--r-- | include/linux/vt.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/vt.h b/include/linux/vt.h index ba806e8711be..02c1c0288770 100644 --- a/include/linux/vt.h +++ b/include/linux/vt.h @@ -1,6 +1,18 @@ #ifndef _LINUX_VT_H #define _LINUX_VT_H +#ifdef __KERNEL__ +struct notifier_block; + +struct vt_notifier_param { + struct vc_data *vc; /* VC on which the update happened */ + unsigned int c; /* Printed char */ +}; + +extern int register_vt_notifier(struct notifier_block *nb); +extern int unregister_vt_notifier(struct notifier_block *nb); +#endif + /* * These constants are also useful for user-level apps (e.g., VC * resizing). |