Added sharedSynchronization library

engine/shared/library/sharedSynchronization/src/win32/InterlockedVoidPointer.h

@@ -0,0 +1,45 @@
+// ======================================================================
+//
+// InterlockedVoidPointer.h
+// Acy Stapp
+//
+// Copyright 6/19/2001 Sony Online Entertainment
+//
+// ======================================================================
+
+#ifndef INCLUDED_InterlockedVoidPointer_h
+#define INCLUDED_InterlockedVoidPointer_h
+
+// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+class InterlockedVoidPointer
+{
+public:
+	explicit InterlockedVoidPointer(void * initialValue=0);
+	void * compareExchange(void * compare, void * exchange); // compare and exchange if same
+	operator void * () const { return reinterpret_cast<void *>(value); }
+private:
+	InterlockedVoidPointer(const InterlockedVoidPointer &o);
+	InterlockedVoidPointer &operator =(const InterlockedVoidPointer &o);
+	void * volatile value;
+};
+
+template <class T>
+class InterlockedPointer: public InterlockedVoidPointer
+{
+public:
+	explicit InterlockedPointer(T * initialValue): InterlockedVoidPointer(initialValue) {}
+	operator T * () const { return static_cast<const T *>(value); }
+};
+
+inline InterlockedVoidPointer::InterlockedVoidPointer(void * initialValue)
+{
+	value = initialValue;
+}
+
+inline void * InterlockedVoidPointer::compareExchange(void * compare, void * exchange)
+{
+	return (void *)InterlockedCompareExchange((void **)&value, exchange, compare);
+}
+
+#endif