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author | Andreas Baumann <mail@andreasbaumann.cc> | 2015-01-03 12:04:58 +0100 |
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committer | Andreas Baumann <mail@andreasbaumann.cc> | 2015-01-03 12:04:58 +0100 |
commit | 008d0be72b2f160382c6e880765e96b64a050c65 (patch) | |
tree | 36f48a98a3815a408e2ce1693dd182af90f80305 /release/src/router/busybox/init/init_shared.c | |
parent | 611becfb8726c60cb060368541ad98191d4532f5 (diff) | |
download | tomato-008d0be72b2f160382c6e880765e96b64a050c65.tar.gz tomato-008d0be72b2f160382c6e880765e96b64a050c65.tar.bz2 |
imported original firmware WRT54GL_v4.30.11_11_US
Diffstat (limited to 'release/src/router/busybox/init/init_shared.c')
-rw-r--r-- | release/src/router/busybox/init/init_shared.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/release/src/router/busybox/init/init_shared.c b/release/src/router/busybox/init/init_shared.c new file mode 100644 index 00000000..339add13 --- /dev/null +++ b/release/src/router/busybox/init/init_shared.c @@ -0,0 +1,97 @@ +/* vi: set sw=4 ts=4: */ +/* + * Stuff shared between init, reboot, halt, and poweroff + * + * Copyright (C) 1999-2003 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/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 + |