1 files changed, 66 insertions, 0 deletions
diff --git a/src/pal/inc/rt/unknwn.h b/src/pal/inc/rt/unknwn.h
new file mode 100644
index 0000000000..1397cdbec9
--- /dev/null
+++ b/src/pal/inc/rt/unknwn.h
@@ -0,0 +1,66 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+//
+
+//
+// ===========================================================================
+// File: unknwn.h
+// 
+// ===========================================================================
+// simplified unknwn.h for PAL
+
+#include "rpc.h"
+#include "rpcndr.h"
+
+#ifndef __IUnknown_INTERFACE_DEFINED__
+#define __IUnknown_INTERFACE_DEFINED__
+
+typedef interface IUnknown IUnknown;
+
+typedef /* [unique] */ IUnknown *LPUNKNOWN;
+
+// 00000000-0000-0000-C000-000000000046
+EXTERN_C const IID IID_IUnknown;
+
+MIDL_INTERFACE("00000000-0000-0000-C000-000000000046")
+IUnknown
+{
+    virtual HRESULT STDMETHODCALLTYPE QueryInterface( 
+        REFIID riid,
+        void **ppvObject) = 0;
+        
+    virtual ULONG STDMETHODCALLTYPE AddRef( void) = 0;
+        
+    virtual ULONG STDMETHODCALLTYPE Release( void) = 0;
+
+    template<class Q>
+    HRESULT
+    STDMETHODCALLTYPE
+    QueryInterface(Q** pp)
+    {
+        return QueryInterface(__uuidof(Q), (void **)pp);
+    }
+};
+
+#endif // __IUnknown_INTERFACE_DEFINED__
+
+#ifndef __IClassFactory_INTERFACE_DEFINED__
+#define __IClassFactory_INTERFACE_DEFINED__
+
+// 00000001-0000-0000-C000-000000000046
+EXTERN_C const IID IID_IClassFactory;
+    
+MIDL_INTERFACE("00000001-0000-0000-C000-000000000046")
+IClassFactory : public IUnknown
+{
+    virtual HRESULT STDMETHODCALLTYPE CreateInstance( 
+        IUnknown *pUnkOuter,
+        REFIID riid,
+        void **ppvObject) = 0;
+    
+    virtual HRESULT STDMETHODCALLTYPE LockServer( 
+        BOOL fLock) = 0;
+};
+
+#endif // __IClassFactory_INTERFACE_DEFINED__