1 /* vi: set sw=4 ts=4: */
3 * Mini reboot implementation for busybox
5 * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
6 * Copyright (C) 1999-2002 by Erik Andersen <andersee@debian.org>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
31 #if (__GNU_LIBRARY__ > 5) || defined(__dietlibc__)
32 #include <sys/reboot.h>
33 #define init_reboot(magic) reboot(magic)
35 #define init_reboot(magic) reboot(0xfee1dead, 672274793, magic)
39 static const int RB_ENABLE_CAD = 0x89abcdef;
40 static const int RB_AUTOBOOT = 0x01234567;
43 extern int reboot_main(int argc, char **argv)
45 int delay = 0; /* delay in seconds before rebooting */
48 while ((rc = getopt(argc, argv, "d:")) > 0) {
63 #ifdef CONFIG_USER_INIT
64 /* Don't kill ourself */
65 signal(SIGTERM,SIG_IGN);
66 signal(SIGHUP,SIG_IGN);
69 /* Allow Ctrl-Alt-Del to reboot system. */
70 init_reboot(RB_ENABLE_CAD);
72 message(CONSOLE|LOG, "\n\rThe system is going down NOW !!\n");
75 /* Send signals to every process _except_ pid 1 */
76 message(CONSOLE|LOG, "\rSending SIGTERM to all processes.\n");
81 message(CONSOLE|LOG, "\rSending SIGKILL to all processes.\n");
86 if (kernelVersion > 0 && kernelVersion <= KERNEL_VERSION(2,2,11)) {
87 /* bdflush, kupdate not needed for kernels >2.2.11 */
92 init_reboot(RB_AUTOBOOT);
95 #ifdef CONFIG_FEATURE_INITRD
97 /* don't assume init's pid == 1 */
98 long *pid = find_pid_by_name("init");
100 pid = find_pid_by_name("linuxrc");
102 bb_error_msg_and_die("no process killed");
104 return(kill(*pid, SIGTERM));
107 return(kill(1, SIGTERM));
114 c-file-style: "linux"