hush/init/init_shared.c

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/* vi: set sw=4 ts=4: */
/*
* Stuff shared between init, reboot, halt, and poweroff
*
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
*
* Licensed under GPL version 2, see file LICENSE in this tarball for details.
*/
#include "busybox.h"
#include <sys/reboot.h>
#include <sys/syslog.h>
#include "init_shared.h"
const char * const init_sending_format = "Sending SIG%s to all processes.";
#ifndef CONFIG_INIT
const char * const bb_shutdown_format = "\r%s\n";
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);
bb_setpgrp;
/* Allow Ctrl-Alt-Del to reboot system. */
#ifndef RB_ENABLE_CAD
#define RB_ENABLE_CAD 0x89abcdef
#endif
reboot(RB_ENABLE_CAD);
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openlog(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 = "TERM";
syslog(pri, init_sending_format, message);
printf(bb_shutdown_format, message);
kill(-1, SIGTERM);
sleep(1);
sync();
message = "KILL";
syslog(pri, init_sending_format, message);
printf(bb_shutdown_format, message);
kill(-1, SIGKILL);
sleep(1);
sync();
reboot(magic);
return 0; /* Shrug */
}
#endif