96 lines
2.3 KiB
C
96 lines
2.3 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Stuff shared between init, reboot, halt, and poweroff
|
|
*
|
|
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
*/
|
|
|
|
#include <signal.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <getopt.h>
|
|
#include <sys/reboot.h>
|
|
#include <sys/syslog.h>
|
|
#include "busybox.h"
|
|
#include "init_shared.h"
|
|
|
|
extern int kill_init(int sig)
|
|
{
|
|
#ifdef CONFIG_FEATURE_INITRD
|
|
/* don't assume init's pid == 1 */
|
|
long *pid = find_pid_by_name("init");
|
|
if (!pid || *pid<=0) {
|
|
pid = find_pid_by_name("linuxrc");
|
|
if (!pid || *pid<=0)
|
|
bb_error_msg_and_die("no process killed");
|
|
}
|
|
return(kill(*pid, sig));
|
|
#else
|
|
return(kill(1, sig));
|
|
#endif
|
|
}
|
|
|
|
#ifndef CONFIG_INIT
|
|
const char * const bb_shutdown_format = "\r%s\n";
|
|
extern int bb_shutdown_system(unsigned long magic)
|
|
{
|
|
int pri = LOG_KERN|LOG_NOTICE|LOG_FACMASK;
|
|
const char *message;
|
|
|
|
/* Don't kill ourself */
|
|
signal(SIGTERM,SIG_IGN);
|
|
signal(SIGHUP,SIG_IGN);
|
|
setpgrp();
|
|
|
|
/* Allow Ctrl-Alt-Del to reboot system. */
|
|
#ifndef RB_ENABLE_CAD
|
|
#define RB_ENABLE_CAD 0x89abcdef
|
|
#endif
|
|
reboot(RB_ENABLE_CAD);
|
|
|
|
openlog(bb_applet_name, 0, pri);
|
|
|
|
message = "\nThe system is going down NOW !!";
|
|
syslog(pri, "%s", message);
|
|
printf(bb_shutdown_format, message);
|
|
|
|
sync();
|
|
|
|
/* Send signals to every process _except_ pid 1 */
|
|
message = "Sending SIGTERM to all processes.";
|
|
syslog(pri, "%s", message);
|
|
printf(bb_shutdown_format, message);
|
|
|
|
kill(-1, SIGTERM);
|
|
sleep(1);
|
|
sync();
|
|
|
|
message = "Sending SIGKILL to all processes.";
|
|
syslog(pri, "%s", message);
|
|
printf(bb_shutdown_format, message);
|
|
|
|
kill(-1, SIGKILL);
|
|
sleep(1);
|
|
|
|
sync();
|
|
|
|
reboot(magic);
|
|
return 0; /* Shrug */
|
|
}
|
|
#endif
|