Fix handling of permission addition and removal (e.g., o-r).

[oweals/busybox.git] / halt.c

diff --git a/halt.c b/halt.c
index 7f3ccf9667cfd733775d49222f981db3465b96ed..e875d04f0cb8cdee48bfc9d434e97587738ccfce 100644 (file)
--- a/halt.c
+++ b/halt.c
@@ -1,12 +1,35 @@
-#include "internal.h"
-#include <signal.h>
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini halt implementation for busybox
+ *
+ *
+ * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
+ *
+ * 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
+ *
+ */
 
-const char     halt_usage[] = "halt\n"
-"\n\t"
-"\thalt the system.\n";
+#include "busybox.h"
+#include <signal.h>
 
-extern int
-halt_main(struct FileInfo * i, int argc, char * * argv)
+extern int halt_main(int argc, char **argv)
 {
-       return kill(1, SIGUSR1);
+#ifdef BB_FEATURE_LINUXRC
+       /* don't assume init's pid == 1 */
+       return(kill(*(find_pid_by_name("init")), SIGUSR1));
+#else
+       return(kill(1, SIGUSR1));
+#endif
 }