From 4f345d5673bc68122bcc5018a97fda2d8275437d Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 19 Jan 2012 22:57:29 -0500
Subject: sandbox: add ifdef protection to os.h

Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

diff --git a/include/os.h b/include/os.h
index f3af4f0..c17a8a5 100644
--- a/include/os.h
+++ b/include/os.h
@@ -25,6 +25,9 @@
  * This provides access to useful OS routines from the sandbox architecture
  */
 
+#ifndef __OS_H__
+#define __OS_H__
+
 /**
  * Access to the OS read() system call
  *
@@ -98,3 +101,5 @@ void os_usleep(unsigned long usec);
  * \return A monotonic increasing time scaled in nano seconds
  */
 u64 os_get_nsec(void);
+
+#endif
-- 
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