summaryrefslogtreecommitdiff
path: root/release/src/router/busybox/init/init_shared.c
diff options
context:
space:
mode:
authorAndreas Baumann <mail@andreasbaumann.cc>2015-01-03 12:04:58 +0100
committerAndreas Baumann <mail@andreasbaumann.cc>2015-01-03 12:04:58 +0100
commit008d0be72b2f160382c6e880765e96b64a050c65 (patch)
tree36f48a98a3815a408e2ce1693dd182af90f80305 /release/src/router/busybox/init/init_shared.c
parent611becfb8726c60cb060368541ad98191d4532f5 (diff)
downloadtomato-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.c97
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
+