arch/um/kernel/reboot.c

   1 /*
   2  * Copyright (C) 2000, 2002 Jeff Dike (jdike@karaya.com)
   3  * Licensed under the GPL
   4  */
   5
   6 #include "linux/module.h"
   7 #include "linux/sched.h"
   8 #include "asm/smp.h"
   9 #include "kern_util.h"
  10 #include "kern.h"
  11 #include "os.h"
  12 #include "skas.h"
  13
  14 void (*pm_power_off)(void);
  15
  16 static void kill_off_processes(void)
  17 {
  18         if(proc_mm)
  19                 /*
  20                  * FIXME: need to loop over userspace_pids
  21                  */
  22                 os_kill_ptraced_process(userspace_pid[0], 1);
  23         else {
  24                 struct task_struct *p;
  25                 int pid, me;
  26
  27                 me = os_getpid();
  28                 for_each_process(p){
  29                         if(p->mm == NULL)
  30                                 continue;
  31
  32                         pid = p->mm->context.skas.id.u.pid;
  33                         os_kill_ptraced_process(pid, 1);
  34                 }
  35         }
  36 }
  37
  38 void uml_cleanup(void)
  39 {
  40         kmalloc_ok = 0;
  41         do_uml_exitcalls();
  42         kill_off_processes();
  43 }
  44
  45 void machine_restart(char * __unused)
  46 {
  47         uml_cleanup();
  48         reboot_skas();
  49 }
  50
  51 void machine_power_off(void)
  52 {
  53         uml_cleanup();
  54         halt_skas();
  55 }
  56
  57 void machine_halt(void)
  58 {
  59         machine_power_off();
  60 }