Patch from vodz:

[oweals/busybox.git] / init / init_shared.c

diff --git a/init/init_shared.c b/init/init_shared.c
index 842942fe3443cb32cd0e3e73c84d33490e43b7a1..339add13f4b4b2eefd3252e12efe17ede2b2fb80 100644 (file)
--- a/init/init_shared.c
+++ b/init/init_shared.c
@@ -1,9 +1,35 @@
+/* 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
@@ -19,3 +45,53 @@ extern int kill_init(int sig)
        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
+