1 | // SPDX-License-Identifier: GPL-2.0 |
---|---|
2 | /* |
3 | * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) |
4 | */ |
5 | |
6 | #include <linux/sched/signal.h> |
7 | #include <linux/sched/task.h> |
8 | #include <linux/sched/mm.h> |
9 | #include <linux/spinlock.h> |
10 | #include <linux/slab.h> |
11 | #include <linux/oom.h> |
12 | #include <kern_util.h> |
13 | #include <os.h> |
14 | #include <skas.h> |
15 | |
16 | void (*pm_power_off)(void); |
17 | EXPORT_SYMBOL(pm_power_off); |
18 | |
19 | static void kill_off_processes(void) |
20 | { |
21 | struct task_struct *p; |
22 | int pid; |
23 | |
24 | read_lock(&tasklist_lock); |
25 | for_each_process(p) { |
26 | struct task_struct *t; |
27 | |
28 | t = find_lock_task_mm(p); |
29 | if (!t) |
30 | continue; |
31 | pid = t->mm->context.id.u.pid; |
32 | task_unlock(p: t); |
33 | os_kill_ptraced_process(pid, 1); |
34 | } |
35 | read_unlock(&tasklist_lock); |
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 |