Nucleus

diff --git a/include/nucleus/object.h b/include/nucleus/object.h
index 3103736..7386984 100644
--- a/include/nucleus/object.h
+++ b/include/nucleus/object.h
@@ -2,15 +2,18 @@
 #define _NUCLEUS_OBJECT_H
 
 #include <sys/types.h>
+#include <stddef.h>
 #include <nucleus/cpu.h>
 
+typedef struct Spinlock Spinlock;
 typedef struct ObjectType ObjectType;
-struct Object;
 typedef struct Object Object;
-typedef struct Spinlock Spinlock;
+typedef struct ObjectList ObjectList;
 
 typedef struct Task Task; /* Just a pointer, no need for full definition */
 
+typedef int (*callback_t)(void *object, void *data);
+
 /* Spinlock */
 struct Spinlock {
 	char locked;
@@ -25,7 +28,10 @@ struct Spinlock {
 struct ObjectType {
 	unsigned int count;
 	refcount_t usage;
-	void *(*new)(void);
+	size_t size;
+	void *(*alloc)(void);
+	void (*free)(Object *);
+	void (*new)(Object *);
 	void (*delete)(Object *);
 };
 
@@ -36,10 +42,21 @@ struct Object {
 	Spinlock lock;
 };
 
+extern ObjectType listType;
+
 void *get(void *addr);
 void put(void *addr);
 void *new(ObjectType *type);
 void lock(void *addr);
 void unlock(void *addr);
 
+ObjectList *create_list(ObjectType *type);
+void destroy_list(ObjectList *list);
+void add(ObjectList *list, void *addr);
+void remove(ObjectList *list, void *addr);
+void *pop_from_start(ObjectList *list);
+void *pop_from_end(ObjectList *list);
+size_t count(ObjectList *list);
+void iterate(ObjectList *list, callback_t callback, void *data);
+
 #endif