1 files changed, 95 insertions, 0 deletions

diff --git a/busybox/init/init_shared.c b/busybox/init/init_shared.c
new file mode 100644
index 000000000..0ad55a433
--- /dev/null
+++ b/busybox/init/init_shared.c
@@ -0,0 +1,95 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Stuff shared between init, reboot, halt, and poweroff
+ *
+ * Copyright (C) 1999-2004 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/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