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| author | Jiri Slaby <jslaby@suse.cz> | 2021-07-23 12:31:42 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-27 12:12:07 +0200 |
| commit | a24bc667ac1f19cdda8a998cdaf7fbdd4fc0a040 (patch) | |
| tree | d32a66107cff9551781fad9e9466b1c992857c7e /include/linux/tty_ldisc.h | |
| parent | 890ebae627708cd530592b524efd5d26d9fdb2ec (diff) | |
| download | lwn-a24bc667ac1f19cdda8a998cdaf7fbdd4fc0a040.tar.gz lwn-a24bc667ac1f19cdda8a998cdaf7fbdd4fc0a040.zip | |
tty: move ldisc prototypes to tty_ldisc.h
We already have tty_ldisc.h, so cleanup tty.h a bit by moving out
tty_ldisc-related function prototypes and a variable into tty_ldisc.h.
They are implemented in tty_ldisc.c anyway.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210723103147.18250-4-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/tty_ldisc.h')
| -rw-r--r-- | include/linux/tty_ldisc.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h index fbe9de278629..62131bb9251f 100644 --- a/include/linux/tty_ldisc.h +++ b/include/linux/tty_ldisc.h @@ -2,6 +2,8 @@ #ifndef _LINUX_TTY_LDISC_H #define _LINUX_TTY_LDISC_H +struct tty_struct; + /* * This structure defines the interface between the tty line discipline * implementation and the tty routines. The following routines can be @@ -126,6 +128,7 @@ #include <linux/fs.h> #include <linux/wait.h> #include <linux/atomic.h> +#include <linux/seq_file.h> /* * the semaphore definition @@ -220,4 +223,16 @@ struct tty_ldisc { #define MODULE_ALIAS_LDISC(ldisc) \ MODULE_ALIAS("tty-ldisc-" __stringify(ldisc)) +extern const struct seq_operations tty_ldiscs_seq_ops; + +struct tty_ldisc *tty_ldisc_ref(struct tty_struct *); +void tty_ldisc_deref(struct tty_ldisc *); +struct tty_ldisc *tty_ldisc_ref_wait(struct tty_struct *); + +void tty_ldisc_flush(struct tty_struct *tty); + +int tty_register_ldisc(struct tty_ldisc_ops *new_ldisc); +void tty_unregister_ldisc(struct tty_ldisc_ops *ldisc); +int tty_set_ldisc(struct tty_struct *tty, int disc); + #endif /* _LINUX_TTY_LDISC_H */ |