Support reboot, halt, and poweroff independent of busybox init.

Simplify and fixup some logic.
 -Erik


git-svn-id: svn://busybox.net/trunk/busybox@7091 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 6 insertions, 33 deletions

diff --git a/init/reboot.c b/init/reboot.c
index 5ca8b588a..a3c0000f1 100644
--- a/init/reboot.c
+++ b/init/reboot.c
@@ -2,7 +2,6 @@
 /*
  * Mini reboot implementation for busybox
  *
- * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
  * Copyright (C) 1999-2003 by Erik Andersen <andersen@codepoet.org>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -30,11 +29,6 @@
 #include "init_shared.h"
 
 
-#ifndef RB_ENABLE_CAD
-static const int RB_ENABLE_CAD = 0x89abcdef;
-static const int RB_AUTOBOOT = 0x01234567;
-#endif
-
 extern int reboot_main(int argc, char **argv)
 {
         char *delay; /* delay in seconds before rebooting */
@@ -43,34 +37,13 @@ extern int reboot_main(int argc, char **argv)
                 sleep(atoi(delay));
         }
 
-#ifdef CONFIG_USER_INIT
-                /* Don't kill ourself */
-        signal(SIGTERM,SIG_IGN);
-        signal(SIGHUP,SIG_IGN);
-        setpgrp();
-
-                /* Allow Ctrl-Alt-Del to reboot system. */
-                reboot(RB_ENABLE_CAD);
-
-                message(CONSOLE|LOG, "\n\rThe system is going down NOW !!\n");
-                sync();
-
-                /* Send signals to every process _except_ pid 1 */
-                message(CONSOLE|LOG, "\rSending SIGTERM to all processes.\n");
-                kill(-1, SIGTERM);
-                sleep(1);
-                sync();
-
-                message(CONSOLE|LOG, "\rSending SIGKILL to all processes.\n");
-                kill(-1, SIGKILL);
-                sleep(1);
-
-                sync();
-
-                reboot(RB_AUTOBOOT);
-                return 0; /* Shrug */
+#ifndef CONFIG_INIT
+#ifndef RB_AUTOBOOT
+#define RB_AUTOBOOT                             0x01234567
+#endif
+        return(bb_shutdown_system(RB_AUTOBOOT));
 #else
-        return kill_init(SIGTERM);
+        return kill_init(SIGUSR2);
 #endif
 }