linux-stable/include/linux/reboot.h

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#ifndef _LINUX_REBOOT_H
#define _LINUX_REBOOT_H
#include <linux/notifier.h>
#include <uapi/linux/reboot.h>
#define SYS_DOWN 0x0001 /* Notify of system down */
#define SYS_RESTART SYS_DOWN
#define SYS_HALT 0x0002 /* Notify of system halt */
#define SYS_POWER_OFF 0x0003 /* Notify of system power off */
extern int register_reboot_notifier(struct notifier_block *);
extern int unregister_reboot_notifier(struct notifier_block *);
/*
* Architecture-specific implementations of sys_reboot commands.
*/
extern void machine_restart(char *cmd);
extern void machine_halt(void);
extern void machine_power_off(void);
extern void machine_shutdown(void);
struct pt_regs;
extern void machine_crash_shutdown(struct pt_regs *);
/*
* Architecture independent implemenations of sys_reboot commands.
*/
extern void kernel_restart_prepare(char *cmd);
extern void kernel_restart(char *cmd);
extern void kernel_halt(void);
extern void kernel_power_off(void);
extern int C_A_D; /* for sysctl */
void ctrl_alt_del(void);
#define POWEROFF_CMD_PATH_LEN 256
extern char poweroff_cmd[POWEROFF_CMD_PATH_LEN];
extern int orderly_poweroff(bool force);
/*
* Emergency restart, callable from an interrupt handler.
*/
extern void emergency_restart(void);
#include <asm/emergency-restart.h>
#endif /* _LINUX_REBOOT_H */