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98 lines
2.3 KiB
C
98 lines
2.3 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Stuff shared between init, reboot, halt, and poweroff
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*
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* Copyright (C) 1999-2003 by Erik Andersen <andersen@codepoet.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <signal.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <getopt.h>
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#include <sys/reboot.h>
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#include <sys/reboot.h>
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#include <sys/syslog.h>
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#include "busybox.h"
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#include "init_shared.h"
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extern int kill_init(int sig)
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{
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#ifdef CONFIG_FEATURE_INITRD
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/* don't assume init's pid == 1 */
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long *pid = find_pid_by_name("init");
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if (!pid || *pid<=0) {
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pid = find_pid_by_name("linuxrc");
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if (!pid || *pid<=0)
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bb_error_msg_and_die("no process killed");
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}
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return(kill(*pid, sig));
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#else
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return(kill(1, sig));
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#endif
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}
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#ifndef CONFIG_INIT
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const char * const bb_shutdown_format = "\r%s\n";
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extern int bb_shutdown_system(unsigned long magic)
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{
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int pri = LOG_KERN|LOG_NOTICE|LOG_FACMASK;
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const char *message;
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/* Don't kill ourself */
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signal(SIGTERM,SIG_IGN);
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signal(SIGHUP,SIG_IGN);
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setpgrp();
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/* Allow Ctrl-Alt-Del to reboot system. */
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#ifndef RB_ENABLE_CAD
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#define RB_ENABLE_CAD 0x89abcdef
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#endif
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reboot(RB_ENABLE_CAD);
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openlog(bb_applet_name, 0, pri);
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message = "\nThe system is going down NOW !!";
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syslog(pri, "%s", message);
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printf(bb_shutdown_format, message);
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sync();
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/* Send signals to every process _except_ pid 1 */
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message = "Sending SIGTERM to all processes.";
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syslog(pri, "%s", message);
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printf(bb_shutdown_format, message);
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kill(-1, SIGTERM);
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sleep(1);
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sync();
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message = "Sending SIGKILL to all processes.";
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syslog(pri, "%s", message);
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printf(bb_shutdown_format, message);
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kill(-1, SIGKILL);
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sleep(1);
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sync();
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reboot(magic);
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return 0; /* Shrug */
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}
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#endif
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