From d905c9da4d8984f19cd74a17cebd2743d399b035 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Mon, 30 Nov 2015 14:49:56 +0100
Subject: Reorganize source directory

---
 state.c | 181 ----------------------------------------------------------------
 1 file changed, 181 deletions(-)
 delete mode 100644 state.c

(limited to 'state.c')

diff --git a/state.c b/state.c
deleted file mode 100644
index a16ec36..0000000
--- a/state.c
+++ /dev/null
@@ -1,181 +0,0 @@
-/*
- * Copyright (C) 2015 Matthias Schiffer <mschiffer@universe-factory.net>
- *
- * Based on "procd" by:
- * 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 <fcntl.h>
-#include <sys/reboot.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <signal.h>
-
-#include "unitd.h"
-#include "syslog.h"
-#include "watchdog.h"
-#include "service/service.h"
-#include "utils/utils.h"
-
-enum {
-	STATE_NONE = 0,
-	STATE_EARLY,
-	STATE_RUNNING,
-	STATE_SHUTDOWN,
-	__STATE_MAX,
-};
-
-static int state = STATE_NONE;
-static int reboot_event;
-
-static void set_stdio(const char* tty)
-{
-	if (chdir("/dev") ||
-	    !freopen(tty, "r", stdin) ||
-	    !freopen(tty, "w", stdout) ||
-	    !freopen(tty, "w", stderr) ||
-	    chdir("/"))
-		ERROR("failed to set stdio\n");
-	else
-		fcntl(STDERR_FILENO, F_SETFL, fcntl(STDERR_FILENO, F_GETFL) | O_NONBLOCK);
-}
-
-static void set_console(void)
-{
-	const char* tty;
-	char* split;
-	char line[ 20 ];
-	const char* try[] = { "tty0", "console", NULL }; /* Try the most common outputs */
-	int f, i = 0;
-
-	tty = get_cmdline_val("console",line,sizeof(line));
-	if (tty != NULL) {
-		split = strchr(tty, ',');
-		if ( split != NULL )
-			*split = '\0';
-	} else {
-		// Try a default
-		tty=try[i];
-		i++;
-	}
-
-	if (chdir("/dev")) {
-		ERROR("failed to change dir to /dev\n");
-		return;
-	}
-	while (tty!=NULL) {
-		f = open(tty, O_RDONLY);
-		if (f >= 0) {
-			close(f);
-			break;
-		}
-
-		tty=try[i];
-		i++;
-	}
-	if (chdir("/"))
-		ERROR("failed to change dir to /\n");
-
-	if (tty != NULL)
-		set_stdio(tty);
-}
-
-static void state_enter(void)
-{
-	char ubus_cmd[] = "/sbin/ubusd";
-
-	switch (state) {
-	case STATE_EARLY:
-		watchdog_init(0);
-		LOG("- early -\n");
-		unitd_early();
-		unitd_connect_ubus();
-		service_init();
-		service_start_early("ubus", ubus_cmd);
-		break;
-
-	case STATE_RUNNING:
-		LOG("- init -\n");
-		unitd_askconsole();
-
-		// switch to syslog log channel
-		ulog_open(ULOG_SYSLOG, LOG_DAEMON, "unitd");
-
-		LOG("- init complete -\n");
-		break;
-
-	case STATE_SHUTDOWN:
-		/* Redirect output to the console for the users' benefit */
-		set_console();
-		LOG("- shutdown -\n");
-		sync();
-		// To prevent killed processes from interrupting the sleep
-		signal(SIGCHLD, SIG_IGN);
-		LOG("- SIGTERM processes -\n");
-		kill(-1, SIGTERM);
-		sync();
-		sleep(1);
-		LOG("- SIGKILL processes -\n");
-		kill(-1, SIGKILL);
-		sync();
-		sleep(1);
-		if (reboot_event == RB_POWER_OFF)
-			LOG("- power down -\n");
-		else
-			LOG("- reboot -\n");
-
-		/* Allow time for last message to reach serial console, etc */
-		sleep(1);
-
-		/* We have to fork here, since the kernel calls do_exit(EXIT_SUCCESS)
-		 * in linux/kernel/sys.c, which can cause the machine to panic when
-		 * the init process exits... */
-		if (!vfork( )) { /* child */
-			reboot(reboot_event);
-			_exit(EXIT_SUCCESS);
-		}
-
-		while (1)
-			sleep(1);
-		break;
-
-	default:
-		ERROR("Unhandled state %d\n", state);
-		return;
-	};
-}
-
-void unitd_state_next(void)
-{
-	DEBUG(4, "Change state %d -> %d\n", state, state + 1);
-	state++;
-	state_enter();
-}
-
-void unitd_state_ubus_connect(void)
-{
-	if (state == STATE_EARLY)
-		unitd_state_next();
-}
-
-void unitd_shutdown(int event)
-{
-	if (state >= STATE_SHUTDOWN)
-		return;
-	DEBUG(2, "Shutting down system with event %x\n", event);
-	reboot_event = event;
-	state = STATE_SHUTDOWN;
-	state_enter();
-}
-- 
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