arch/um/kernel/reboot.c

   1 /*
   2  * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
   3  * Licensed under the GPL
   4  */
   5
   6 #include "linux/sched.h"
   7 #include "os.h"
   8 #include "skas.h"
   9
  10 void (*pm_power_off)(void);
  11
  12 static void kill_off_processes(void)
  13 {
  14         if(proc_mm)
  15                 /*
  16                  * FIXME: need to loop over userspace_pids
  17                  */
  18                 os_kill_ptraced_process(userspace_pid[0], 1);
  19         else {
  20                 struct task_struct *p;
  21                 int pid, me;
  22
  23                 me = os_getpid();
  24                 for_each_process(p){
  25                         if(p->mm == NULL)
  26                                 continue;
  27
  28                         pid = p->mm->context.id.u.pid;
  29                         os_kill_ptraced_process(pid, 1);
  30                 }
  31         }
  32 }
  33
  34 void uml_cleanup(void)
  35 {
  36         kmalloc_ok = 0;
  37         do_uml_exitcalls();
  38         kill_off_processes();
  39 }
  40
  41 void machine_restart(char * __unused)
  42 {
  43         uml_cleanup();
  44         reboot_skas();
  45 }
  46
  47 void machine_power_off(void)
  48 {
  49         uml_cleanup();
  50         halt_skas();
  51 }
  52
  53 void machine_halt(void)
  54 {
  55         machine_power_off();
  56 }