1 files changed, 91 insertions, 0 deletions
diff --git a/src/vm/jupiterobject.h b/src/vm/jupiterobject.h
new file mode 100644
index 0000000000..ae3f4abe2e
--- /dev/null
+++ b/src/vm/jupiterobject.h
@@ -0,0 +1,91 @@
+// 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.
+//
+
+//
+
+/*============================================================
+**
+** Header:  IJupiterObject.h
+**
+**
+** Purpose: Defines headers used in RCW walk
+** 
+==============================================================*/
+
+#ifndef _H_JUPITER_OBJECT_
+#define _H_JUPITER_OBJECT_
+
+#ifdef FEATURE_COMINTEROP
+
+#include "internalunknownimpl.h"
+
+class ICCW;
+
+// Windows.UI.Xaml.Hosting.IReferenceTrackerHost
+class DECLSPEC_UUID("29a71c6a-3c42-4416-a39d-e2825a07a773") ICLRServices : public IUnknown
+{
+public :
+    STDMETHOD(GarbageCollect)(DWORD dwFlags) = 0;
+    STDMETHOD(FinalizerThreadWait)() = 0;
+    STDMETHOD(DisconnectRCWsInCurrentApartment)() = 0;
+    STDMETHOD(CreateManagedReference)(IUnknown *pJupiterObject, ICCW **ppNewReference) = 0;
+    STDMETHOD(AddMemoryPressure)(UINT64 bytesAllocated) = 0;
+    STDMETHOD(RemoveMemoryPressure)(UINT64 bytesAllocated) = 0;
+};
+
+// Windows.UI.Xaml.Hosting.IReferenceTrackerManager
+class DECLSPEC_UUID("3cf184b4-7ccb-4dda-8455-7e6ce99a3298") IJupiterGCManager : public IUnknown
+{
+public :
+    STDMETHOD(OnGCStarted)() = 0;
+    STDMETHOD(OnRCWWalkFinished)(BOOL bWalkFailed) = 0;
+    STDMETHOD(OnGCFinished)() = 0;
+    STDMETHOD(SetCLRServices)(/* [in] */ ICLRServices *pCLRServices) = 0;
+};
+
+// Windows.UI.Xaml.Hosting.IReferenceTrackerTarget
+class DECLSPEC_UUID("64bd43f8-bfee-4ec4-b7eb-2935158dae21") ICCW : public IUnknown
+{
+
+public :
+    STDMETHOD_(ULONG, AddReferenceFromJupiter)() = 0;    
+    STDMETHOD_(ULONG, ReleaseFromJupiter)() = 0;
+    STDMETHOD(Peg)() = 0;
+    STDMETHOD(Unpeg)() = 0;
+};
+
+// Windows.UI.Xaml.Hosting.IFindReferenceTargetsCallback
+class DECLSPEC_UUID("04b3486c-4687-4229-8d14-505ab584dd88") IFindDependentWrappersCallback : public IUnknown
+{
+
+public :
+    STDMETHOD(OnFoundDependentWrapper)(/* [in] */ ICCW *pCCW) = 0;
+};
+
+// Windows.UI.Xaml.Hosting.IReferenceTracker
+class DECLSPEC_UUID("11d3b13a-180e-4789-a8be-7712882893e6") IJupiterObject : public IUnknown
+{
+public :
+    STDMETHOD(Connect)() = 0;           // Notify Jupiter that we've created a new RCW
+    STDMETHOD(Disconnect)() = 0;        // Notify Jupiter that we are about to destroy this RCW
+    STDMETHOD(FindDependentWrappers)(/* [in] */ IFindDependentWrappersCallback *pCallback) = 0;
+                                        // Find list of dependent CCWs for this RCW
+    STDMETHOD(GetJupiterGCManager)(/* [out, retval] */ IJupiterGCManager **ppJupiterGCManager) = 0;
+                                        // Retrieve IJupiterGCManager interface
+    STDMETHOD(AfterAddRef)() = 0;       // Notify Jupiter that we've done a AddRef()
+    STDMETHOD(BeforeRelease)() = 0;     // Notify Jupiter that we are about to do a Release()
+    STDMETHOD(Peg)() = 0;               // Notify Jupiter that we've returned this IJupiterObject as
+                                        // [out] parameter and this IJupiterObject object including 
+                                        // all its reachable CCWs should be pegged
+};
+
+extern const IID IID_ICCW;
+extern const IID IID_IJupiterObject;
+extern const IID IID_IJupiterGCManager;
+extern const IID IID_IFindDependentWrappersCallback;
+
+#endif // FEATURE_COMINTEROP
+
+#endif // _H_JUPITER_OBJECT_