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diff --git a/LibOVR/Src/Kernel/OVR_SysFile.h b/LibOVR/Src/Kernel/OVR_SysFile.h
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+/************************************************************************************
+
+PublicHeader:   Kernel
+Filename    :   OVR_SysFile.h
+Content     :   Header for all internal file management - functions and structures
+                to be inherited by OS specific subclasses.
+Created     :   September 19, 2012
+Notes       : 
+
+Notes       :   errno may not be preserved across use of GBaseFile member functions
+            :   Directories cannot be deleted while files opened from them are in use
+                (For the GetFullName function)
+
+Copyright   :   Copyright 2012 Oculus VR, Inc. All Rights reserved.
+
+Use of this software is subject to the terms of the Oculus license
+agreement provided at the time of installation or download, or which
+otherwise accompanies this software in either electronic or hard copy form.
+
+************************************************************************************/
+
+#ifndef OVR_SysFile_h
+#define OVR_SysFile_h
+
+#include "OVR_File.h"
+
+namespace OVR {
+
+// ***** Declared classes
+class   SysFile;
+
+//-----------------------------------------------------------------------------------
+// *** File Statistics
+
+// This class contents are similar to _stat, providing
+// creation, modify and other information about the file.
+struct FileStat
+{
+    // No change or create time because they are not available on most systems
+    SInt64  ModifyTime;
+    SInt64  AccessTime;
+    SInt64  FileSize;
+
+    bool operator== (const FileStat& stat) const
+    {
+        return ( (ModifyTime == stat.ModifyTime) &&
+                 (AccessTime == stat.AccessTime) &&
+                 (FileSize == stat.FileSize) );
+    }
+};
+
+//-----------------------------------------------------------------------------------
+// *** System File
+
+// System file is created to access objects on file system directly
+// This file can refer directly to path.
+// System file can be open & closed several times; however, such use is not recommended
+// This class is realy a wrapper around an implementation of File interface for a 
+// particular platform.
+
+class SysFile : public DelegatedFile
+{
+protected:
+  SysFile(const SysFile &source) : DelegatedFile () { OVR_UNUSED(source); }
+public:
+
+    // ** Constructor
+    SysFile();
+    // Opens a file
+    SysFile(const String& path, int flags = Open_Read|Open_Buffered, int mode = Mode_ReadWrite); 
+
+    // ** Open & management 
+    bool  Open(const String& path, int flags = Open_Read|Open_Buffered, int mode = Mode_ReadWrite);
+        
+    OVR_FORCE_INLINE bool  Create(const String& path, int mode = Mode_ReadWrite)
+    { return Open(path, Open_ReadWrite|Open_Create, mode); }
+
+    // Helper function: obtain file statistics information. In GFx, this is used to detect file changes.
+    // Return 0 if function failed, most likely because the file doesn't exist.
+    static bool OVR_CDECL GetFileStat(FileStat* pfileStats, const String& path);
+    
+    // ** Overrides
+    // Overridden to provide re-open support
+    virtual int   GetErrorCode();
+
+    virtual bool  IsValid();
+
+    virtual bool  Close();    
+};
+
+} // Scaleform
+
+#endif