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-rw-r--r--arch/um/kernel/reboot.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/um/kernel/reboot.c b/arch/um/kernel/reboot.c
new file mode 100644
index 000000000000..207f89d74908
--- /dev/null
+++ b/arch/um/kernel/reboot.c
@@ -0,0 +1,79 @@
1/*
2 * Copyright (C) 2000, 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
4 */
5
6#include "linux/module.h"
7#include "linux/sched.h"
8#include "user_util.h"
9#include "kern_util.h"
10#include "kern.h"
11#include "os.h"
12#include "mode.h"
13#include "choose-mode.h"
14
15#ifdef CONFIG_SMP
16static void kill_idlers(int me)
17{
18#ifdef CONFIG_MODE_TT
19 struct task_struct *p;
20 int i;
21
22 for(i = 0; i < sizeof(idle_threads)/sizeof(idle_threads[0]); i++){
23 p = idle_threads[i];
24 if((p != NULL) && (p->thread.mode.tt.extern_pid != me))
25 os_kill_process(p->thread.mode.tt.extern_pid, 0);
26 }
27#endif
28}
29#endif
30
31static void kill_off_processes(void)
32{
33 CHOOSE_MODE(kill_off_processes_tt(), kill_off_processes_skas());
34#ifdef CONFIG_SMP
35 kill_idlers(os_getpid());
36#endif
37}
38
39void uml_cleanup(void)
40{
41 kill_off_processes();
42 do_uml_exitcalls();
43}
44
45void machine_restart(char * __unused)
46{
47 do_uml_exitcalls();
48 kill_off_processes();
49 CHOOSE_MODE(reboot_tt(), reboot_skas());
50}
51
52EXPORT_SYMBOL(machine_restart);
53
54void machine_power_off(void)
55{
56 do_uml_exitcalls();
57 kill_off_processes();
58 CHOOSE_MODE(halt_tt(), halt_skas());
59}
60
61EXPORT_SYMBOL(machine_power_off);
62
63void machine_halt(void)
64{
65 machine_power_off();
66}
67
68EXPORT_SYMBOL(machine_halt);
69
70/*
71 * Overrides for Emacs so that we follow Linus's tabbing style.
72 * Emacs will notice this stuff at the end of the file and automatically
73 * adjust the settings for this buffer only. This must remain at the end
74 * of the file.
75 * ---------------------------------------------------------------------------
76 * Local variables:
77 * c-file-style: "linux"
78 * End:
79 */