From 22853e4a82c6ef7b336527529acb94b14a0b0fd8 Mon Sep 17 00:00:00 2001
From: Karel Zak
Date: Thu, 7 Dec 2006 00:25:43 +0100
Subject: Imported from util-linux-2.10m tarball.

---
 mount/pivot_root.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 mount/pivot_root.c

(limited to 'mount/pivot_root.c')

diff --git a/mount/pivot_root.c b/mount/pivot_root.c
new file mode 100644
index 000000000..4ab8be853
--- /dev/null
+++ b/mount/pivot_root.c
@@ -0,0 +1,24 @@
+/* pivot_root.c - Change the root file system */
+
+/* Written 2000 by Werner Almesberger */
+
+
+#include <stdio.h>
+#include <linux/unistd.h>
+
+
+_syscall2(int,pivot_root,const char *,new_root,const char *,put_old)
+
+
+int main(int argc,const char **argv)
+{
+    if (argc != 3) {
+	fprintf(stderr,"usage: %s new_root put_old\n",argv[0]);
+	return 1;
+    }
+    if (pivot_root(argv[1],argv[2]) < 0) {
+	perror("pivot_root");
+	return 1;
+    }
+    return 0;
+}
-- 
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