+ virtual CullResult cull();
+ virtual ~classbase();
+ private:
+ // uncopyable
+ classbase(const classbase&);
+ void operator=(const classbase&);
+};
+
+/** The base class for inspircd classes that provide a wrapping interface, and
+ * should only exist while being used. Prevents heap allocation.
+ */
+class CoreExport interfacebase
+{
+ public:
+ interfacebase() {}
+ static inline void* operator new(size_t, void* m) { return m; }
+ private:
+ interfacebase(const interfacebase&);
+ void operator=(const interfacebase&);
+ static void* operator new(size_t);
+ static void operator delete(void*);
+};
+
+/** The base class for inspircd classes that support reference counting.
+ * Any objects that do not have a well-defined lifetime should inherit from
+ * this, and should be assigned to a reference<type> object to establish their
+ * lifetime.
+ *
+ * Reference objects should not hold circular references back to themselves,
+ * even indirectly; this will cause a memory leak because the count will never
+ * drop to zero.
+ *
+ * Using a normal pointer for the object is recommended if you can assure that
+ * at least one reference<> will remain as long as that pointer is used; this
+ * will avoid the slight overhead of changing the reference count.
+ */
+class CoreExport refcountbase
+{
+ mutable unsigned int refcount;
+ public:
+ refcountbase();
+ virtual ~refcountbase();
+ inline unsigned int GetReferenceCount() const { return refcount; }
+ static inline void* operator new(size_t, void* m) { return m; }
+ static void* operator new(size_t);
+ static void operator delete(void*);
+ inline void refcount_inc() const { refcount++; }
+ inline bool refcount_dec() const { refcount--; return !refcount; }
+ private:
+ // uncopyable
+ refcountbase(const refcountbase&);
+ void operator=(const refcountbase&);