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