| 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 |