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 "linux/spinlock.h" 8 #include "linux/slab.h" 9 #include "kern_util.h" 10 #include "os.h" 11 #include "skas.h" 12 13 void (*pm_power_off)(void); 14 15 static void kill_off_processes(void) 16 { 17 if (proc_mm) 18 /* 19 * FIXME: need to loop over userspace_pids 20 */ 21 os_kill_ptraced_process(userspace_pid[0], 1); 22 else { 23 struct task_struct *p; 24 int pid; 25 26 read_lock(&tasklist_lock); 27 for_each_process(p) { 28 if (p->mm == NULL) 29 continue; 30 31 pid = p->mm->context.id.u.pid; 32 os_kill_ptraced_process(pid, 1); 33 } 34 read_unlock(&tasklist_lock); 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 } 61