diff -r ea891871f481 -r bb5522e88ab2 misc/libphysfs/lzma/CPP/7zip/Archive/Common/CrossThreadProgress.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/CPP/7zip/Archive/Common/CrossThreadProgress.h	Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,37 @@
+// CrossThreadProgress.h
+
+#ifndef __CROSSTHREADPROGRESS_H
+#define __CROSSTHREADPROGRESS_H
+
+#include "../../ICoder.h"
+#include "../../../Windows/Synchronization.h"
+#include "../../../Common/MyCom.h"
+
+class CCrossThreadProgress: 
+  public ICompressProgressInfo,
+  public CMyUnknownImp
+{
+public:
+  const UInt64 *InSize;
+  const UInt64 *OutSize;
+  HRESULT Result;
+  NWindows::NSynchronization::CAutoResetEvent ProgressEvent;
+  NWindows::NSynchronization::CAutoResetEvent WaitEvent;
+
+  HRes Create()
+  {
+    RINOK(ProgressEvent.CreateIfNotCreated());
+    return WaitEvent.CreateIfNotCreated();
+  }
+  void Init()
+  {
+    ProgressEvent.Reset();
+    WaitEvent.Reset();
+  }
+
+  MY_UNKNOWN_IMP
+
+  STDMETHOD(SetRatioInfo)(const UInt64 *inSize, const UInt64 *outSize);
+};
+
+#endif