1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/*
* Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
* Copyright (C) 2013 John Crispin <blogic@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <sys/reboot.h>
#include <stdlib.h>
#include <unistd.h>
#include "procd.h"
#include "syslog.h"
#include "hotplug.h"
#include "watchdog.h"
enum {
STATE_NONE = 0,
STATE_EARLY,
STATE_INIT,
STATE_RUNNING,
STATE_SHUTDOWN,
STATE_HALT,
__STATE_MAX,
};
static int state = STATE_NONE;
static int reboot_event;
static void state_enter(void)
{
switch (state) {
case STATE_EARLY:
LOG("- early -\n");
watchdog_init(0);
hotplug("/etc/hotplug.json");
procd_coldplug();
break;
case STATE_INIT:
// try to reopen incase the wdt was not available before coldplug
watchdog_init(0);
LOG("- init -\n");
log_init();
procd_connect_ubus();
procd_inittab();
procd_inittab_run("respawn");
procd_inittab_run("askconsole");
procd_inittab_run("askfirst");
procd_inittab_run("sysinit");
break;
case STATE_RUNNING:
LOG("- init complete -\n");
break;
case STATE_SHUTDOWN:
LOG("- shutdown -\n");
procd_inittab_run("shutdown");
sync();
break;
case STATE_HALT:
LOG("- reboot -\n");
reboot(reboot_event);
break;
default:
ERROR("Unhandled state %d\n", state);
return;
};
}
void procd_state_next(void)
{
DEBUG(2, "Change state %d -> %d\n", state, state + 1);
state++;
state_enter();
}
void procd_shutdown(int event)
{
DEBUG(1, "Shutting down system with event %x\n", event);
reboot_event = event;
state = STATE_SHUTDOWN;
state_enter();
}
|
