91 lines
2.2 KiB
C
91 lines
2.2 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Mini reboot implementation for busybox
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*
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* Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
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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 "busybox.h"
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#include "init_shared.h"
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#if (__GNU_LIBRARY__ > 5) || defined(__dietlibc__)
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#include <sys/reboot.h>
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#define init_reboot(magic) reboot(magic)
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#else
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#define init_reboot(magic) reboot(0xfee1dead, 672274793, magic)
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#endif
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#ifndef RB_ENABLE_CAD
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static const int RB_ENABLE_CAD = 0x89abcdef;
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static const int RB_AUTOBOOT = 0x01234567;
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#endif
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extern int reboot_main(int argc, char **argv)
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{
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char *delay; /* delay in seconds before rebooting */
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if(bb_getopt_ulflags(argc, argv, "d:", &delay)) {
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sleep(atoi(delay));
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}
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#ifdef CONFIG_USER_INIT
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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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init_reboot(RB_ENABLE_CAD);
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message(CONSOLE|LOG, "\n\rThe system is going down NOW !!\n");
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sync();
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/* Send signals to every process _except_ pid 1 */
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message(CONSOLE|LOG, "\rSending SIGTERM to all processes.\n");
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kill(-1, SIGTERM);
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sleep(1);
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sync();
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message(CONSOLE|LOG, "\rSending SIGKILL to all processes.\n");
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kill(-1, SIGKILL);
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sleep(1);
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sync();
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init_reboot(RB_AUTOBOOT);
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return 0; /* Shrug */
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#else
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return kill_init(SIGTERM);
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#endif
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}
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/*
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Local Variables:
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c-file-style: "linux"
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c-basic-offset: 4
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tab-width: 4
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End:
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*/
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