vt_ioctl.c File Reference

#include <linux/types.h>
#include <linux/errno.h>
#include <linux/sched.h>
#include <linux/tty.h>
#include <linux/timer.h>
#include <linux/kernel.h>
#include <linux/compat.h>
#include <linux/module.h>
#include <linux/kd.h>
#include <linux/vt.h>
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/major.h>
#include <linux/fs.h>
#include <linux/console.h>
#include <linux/consolemap.h>
#include <linux/signal.h>
#include <linux/timex.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#include <linux/kbd_kern.h>
#include <linux/vt_kern.h>
#include <linux/kbd_diacr.h>
#include <linux/selection.h>

Go to the source code of this file.

Data Structures
struct	vt_event_wait

Macros
#define	VT_IS_IN_USE(i)   (console_driver->ttys[i] && console_driver->ttys[i]->count)
#define	VT_BUSY(i)   (VT_IS_IN_USE(i) || i == fg_console || vc_cons[i].d == sel_cons)
#define	GPFIRST   0x3b4
#define	GPLAST   0x3df
#define	GPNUM   (GPLAST - GPFIRST + 1)

Functions
void	vt_event_post (unsigned int event, unsigned int old, unsigned int new)
int	vt_waitactive (int n)
int	vt_ioctl (struct tty_struct *tty, unsigned int cmd, unsigned long arg)
void	reset_vc (struct vc_data *vc)
void	vc_SAK (struct work_struct *work)
void	change_console (struct vc_data *new_vc)
int	vt_move_to_console (unsigned int vt, int alloc)
void	pm_set_vt_switch (int do_switch)
	EXPORT_SYMBOL (pm_set_vt_switch)

Variables
char	vt_dont_switch
struct tty_driver *	console_driver

Macro Definition Documentation

#define GPFIRST   0x3b4

Definition at line 215 of file vt_ioctl.c.

#define GPLAST   0x3df

Definition at line 216 of file vt_ioctl.c.

#define GPNUM   (GPLAST - GPFIRST + 1)

Definition at line 217 of file vt_ioctl.c.

#define VT_BUSY

(

i

)

(VT_IS_IN_USE(i) || i == fg_console || vc_cons[i].d == sel_cons)

Definition at line 42 of file vt_ioctl.c.

#define VT_IS_IN_USE

(

i

)

(console_driver->ttys[i] && console_driver->ttys[i]->count)

Definition at line 41 of file vt_ioctl.c.

Function Documentation

void change_console

(

struct vc_data *

new_vc

)

Definition at line 1332 of file vt_ioctl.c.

EXPORT_SYMBOL

(

pm_set_vt_switch

)

void pm_set_vt_switch

(

int

do_switch

)

Definition at line 1446 of file vt_ioctl.c.

void reset_vc

(

struct vc_data *

vc

)

Definition at line 1020 of file vt_ioctl.c.

void vc_SAK

(

struct work_struct *

work

)

Definition at line 1036 of file vt_ioctl.c.

void vt_event_post	(	unsigned int	event,
		unsigned int	old,
		unsigned int	new
	)

vt_event_post : the event that occurred : old console : new console

Post an VT event to interested VT handlers

Definition at line 86 of file vt_ioctl.c.

int vt_ioctl	(	struct tty_struct *	tty,
		unsigned int	cmd,
		unsigned long	arg
	)

Definition at line 291 of file vt_ioctl.c.

int vt_move_to_console	(	unsigned int	vt,
		int	alloc
	)

Definition at line 1403 of file vt_ioctl.c.

int vt_waitactive

(

int

n

)

vt_waitactive - active console wait : event code
: new console

Helper for event waits. Used to implement the legacy event waiting ioctls in terms of events

Definition at line 193 of file vt_ioctl.c.

Variable Documentation

struct tty_driver* console_driver

Definition at line 2388 of file vt.c.

char vt_dont_switch

Definition at line 38 of file vt_ioctl.c.