reboot.c

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/* 
 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 * Licensed under the GPL
 */

#include <linux/sched.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/oom.h>
#include <kern_util.h>
#include <os.h>
#include <skas.h>

void (*pm_power_off)(void);

static void kill_off_processes(void)
{
    if (proc_mm)
        /*
         * FIXME: need to loop over userspace_pids
         */
        os_kill_ptraced_process(userspace_pid[0], 1);
    else {
        struct task_struct *p;
        int pid;

        read_lock(&tasklist_lock);
        for_each_process(p) {
            struct task_struct *t;

            t = find_lock_task_mm(p);
            if (!t)
                continue;
            pid = t->mm->context.id.u.pid;
            task_unlock(t);
            os_kill_ptraced_process(pid, 1);
        }
        read_unlock(&tasklist_lock);
    }
}

void uml_cleanup(void)
{
    kmalloc_ok = 0;
    do_uml_exitcalls();
    kill_off_processes();
}

void machine_restart(char * __unused)
{
    uml_cleanup();
    reboot_skas();
}

void machine_power_off(void)
{
    uml_cleanup();
    halt_skas();
}

void machine_halt(void)
{
    machine_power_off();
}