stos: ob: Add object cache groundwork

Signed-off-by: Chloe M. <chloe@mensia.org>

paw/stos/head/ob/object.h

@@ -34,12 +34,14 @@ typedef enum {
  * @RefCount:   Object reference count
  * @Type:       Object type
  * @Data:       Object data
+ * @CacheNext:  Used when reclaiming object
  */
-typedef struct {
+typedef struct _ST_OBJECT {
     CHAR Name[OBJECT_NAMESZ];
     ULONG RefCount;
     OBJECT_TYPE Type;
     VOID *Data;
+    struct _ST_OBJECT *CacheNext;
 } ST_OBJECT;
 
 /*
@@ -82,4 +84,12 @@ ST_STATUS ObCreateObject(
  */
 VOID ObInitManager(VOID);
 
+/*
+ * Reclaim an object after use, if its reference count is > 1, simply
+ * bump it down. Once it hits zero, the object is returned to the cache.
+ *
+ * @Object: Object to reclaim
+ */
+VOID ObReclaimObject(ST_OBJECT *Object);
+
 #endif  /* !_OB_OBJECT_H_ */