/* 
   * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
   * Licensed under the GPL
   */
  
  #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 <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.u.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();
  }