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- /*
- * 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();
- }
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