1 files changed, 73 insertions, 0 deletions
diff --git a/cpp/include/Ice/GCObject.h b/cpp/include/Ice/GCObject.h
new file mode 100644
index 00000000000..1ae1df84c28
--- /dev/null
+++ b/cpp/include/Ice/GCObject.h
@@ -0,0 +1,73 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2014 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+#ifndef ICE_GC_OBJECT_H
+#define ICE_GC_OBJECT_H
+
+#include <Ice/Object.h>
+
+#include <IceUtil/MutexPtrLock.h>
+#include <IceUtil/Mutex.h>
+
+namespace IceInternal
+{
+
+class GCObject;
+
+class GCVisitor
+{
+public:
+
+    virtual bool visit(GCObject*) = 0;
+};
+
+class ICE_API GCObject : virtual public Ice::Object
+{
+public:
+
+    //
+    // Flags constant used for collection of graphs
+    //
+    static const unsigned char Collectable;
+    static const unsigned char CycleMember;
+    static const unsigned char Visiting;
+
+    //
+    // Override IceUtil::Shared methods
+    //
+    virtual void __incRef();
+    virtual void __decRef();
+    virtual int __getRef() const;
+    virtual void __setNoDelete(bool);
+
+    //
+    // Override Object methods
+    //
+    virtual bool __gcVisit(GCVisitor&);
+    virtual void ice_collectable(bool);
+
+    //
+    // This method is implemented by Slice classes to visit class
+    // members.
+    //
+    virtual void __gcVisitMembers(IceInternal::GCVisitor&) = 0;
+
+    int __getRefUnsafe()
+    {
+        return _ref;
+    }
+
+private:
+
+    bool collect(IceUtilInternal::MutexPtrLock<IceUtil::Mutex>&);
+};
+
+}
+
+#endif