5e7672ec3f
Make lots of structures const in order to make it obvious that they need no locking. Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
/*
|
|
* Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
|
|
* Licensed under the GPL
|
|
*/
|
|
|
|
#ifndef __CHAN_USER_H__
|
|
#define __CHAN_USER_H__
|
|
|
|
#include "init.h"
|
|
|
|
struct chan_opts {
|
|
void (*announce)(char *dev_name, int dev);
|
|
char *xterm_title;
|
|
int raw;
|
|
unsigned long tramp_stack;
|
|
int in_kernel;
|
|
};
|
|
|
|
enum chan_init_pri { INIT_STATIC, INIT_ALL, INIT_ONE };
|
|
|
|
struct chan_ops {
|
|
char *type;
|
|
void *(*init)(char *, int, const struct chan_opts *);
|
|
int (*open)(int, int, int, void *, char **);
|
|
void (*close)(int, void *);
|
|
int (*read)(int, char *, void *);
|
|
int (*write)(int, const char *, int, void *);
|
|
int (*console_write)(int, const char *, int);
|
|
int (*window_size)(int, void *, unsigned short *, unsigned short *);
|
|
void (*free)(void *);
|
|
int winch;
|
|
};
|
|
|
|
extern const struct chan_ops fd_ops, null_ops, port_ops, pts_ops, pty_ops,
|
|
tty_ops, xterm_ops;
|
|
|
|
extern void generic_close(int fd, void *unused);
|
|
extern int generic_read(int fd, char *c_out, void *unused);
|
|
extern int generic_write(int fd, const char *buf, int n, void *unused);
|
|
extern int generic_console_write(int fd, const char *buf, int n);
|
|
extern int generic_window_size(int fd, void *unused, unsigned short *rows_out,
|
|
unsigned short *cols_out);
|
|
extern void generic_free(void *data);
|
|
|
|
struct tty_struct;
|
|
extern void register_winch(int fd, struct tty_struct *tty);
|
|
extern void register_winch_irq(int fd, int tty_fd, int pid, struct tty_struct *tty);
|
|
|
|
#define __channel_help(fn, prefix) \
|
|
__uml_help(fn, prefix "[0-9]*=<channel description>\n" \
|
|
" Attach a console or serial line to a host channel. See\n" \
|
|
" http://user-mode-linux.sourceforge.net/input.html for a complete\n" \
|
|
" description of this switch.\n\n" \
|
|
);
|
|
|
|
#endif
|
|
|
|
/*
|
|
* Overrides for Emacs so that we follow Linus's tabbing style.
|
|
* Emacs will notice this stuff at the end of the file and automatically
|
|
* adjust the settings for this buffer only. This must remain at the end
|
|
* of the file.
|
|
* ---------------------------------------------------------------------------
|
|
* Local variables:
|
|
* c-file-style: "linux"
|
|
* End:
|
|
*/
|