// SPDX-License-Identifier: GPL-2.0/*  * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) */ #include <linux/sched/signal.h>#include <linux/sched/task.h>#include <linux/sched/mm.h>#include <linux/spinlock.h>#include <linux/slab.h>#include <linux/oom.h>#include <linux/reboot.h>#include <kern_util.h>#include <os.h>#include <skas.h> void (*pm_power_off)(void);EXPORT_SYMBOL(pm_power_off); static void kill_off_processes(void){	struct task_struct *p;	int pid; 	read_lock(&tasklist_lock);	for_each_process(p) {		struct task_struct *t; 		t = find_lock_task_mm(p);		if (!t)			continue;		pid = t->mm->context.id.pid;		task_unlock(t);		os_kill_ptraced_process(pid, 1);	}	read_unlock(&tasklist_lock);} void uml_cleanup(void){	kmalloc_ok = 0;	do_uml_exitcalls();	kill_off_processes();} void machine_restart(char * __unused){	uml_cleanup();	reboot_skas();} void machine_power_off(void){	uml_cleanup();	halt_skas();} void machine_halt(void){	machine_power_off();} static int sys_power_off_handler(struct sys_off_data *data){	machine_power_off();	return 0;} static int register_power_off(void){	register_sys_off_handler(SYS_OFF_MODE_POWER_OFF,				 SYS_OFF_PRIO_DEFAULT,				 sys_power_off_handler, NULL);	return 0;}__initcall(register_power_off);