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-rw-r--r--util-linux/switch_root.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/util-linux/switch_root.c b/util-linux/switch_root.c
index d471437..7794de1 100644
--- a/util-linux/switch_root.c
+++ b/util-linux/switch_root.c
@@ -5,6 +5,16 @@
*
* Licensed under GPLv2, see file LICENSE in this source tree.
*/
+
+//usage:#define switch_root_trivial_usage
+//usage: "[-c /dev/console] NEW_ROOT NEW_INIT [ARGS]"
+//usage:#define switch_root_full_usage "\n\n"
+//usage: "Free initramfs and switch to another root fs:\n"
+//usage: "chroot to NEW_ROOT, delete all in /, move NEW_ROOT to /,\n"
+//usage: "execute NEW_INIT. PID must be 1. NEW_ROOT must be a mountpoint.\n"
+//usage: "\nOptions:"
+//usage: "\n -c DEV Reopen stdio to DEV after switch"
+
#include <sys/vfs.h>
#include <sys/mount.h>
#include "libbb.h"