X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/a4ec38a4c7ef61b04b92d34637c846a8e2e95f7f..1fe5f5eb5378a47bf0f3451762743c162e40faad:/lunaix-os/includes/lunaix/mm/cake.h

diff --git a/lunaix-os/includes/lunaix/mm/cake.h b/lunaix-os/includes/lunaix/mm/cake.h
index 6a3aa39..18d67e0 100644
--- a/lunaix-os/includes/lunaix/mm/cake.h
+++ b/lunaix-os/includes/lunaix/mm/cake.h
@@ -7,24 +7,30 @@
 
 #define PILE_CACHELINE 1
 
+struct cake_pile;
+
+typedef void (*pile_cb)(struct cake_pile*, void*);
+
 struct cake_pile
 {
     struct llist_header piles;
     struct llist_header full;
     struct llist_header partial;
     struct llist_header free;
-    unsigned int offset;
-    unsigned int piece_size;
-    unsigned int cakes_count;
-    unsigned int alloced_pieces;
-    unsigned int pieces_per_cake;
-    unsigned int pg_per_cake;
+    u32_t offset;
+    u32_t piece_size;
+    u32_t cakes_count;
+    u32_t alloced_pieces;
+    u32_t pieces_per_cake;
+    u32_t pg_per_cake;
     char pile_name[PILE_NAME_MAXLEN];
+
+    pile_cb ctor;
 };
 
 typedef unsigned int piece_index_t;
 
-#define EO_FREE_PIECE (-1)
+#define EO_FREE_PIECE ((u32_t)-1)
 
 struct cake_s
 {
@@ -49,6 +55,9 @@ cake_new_pile(char* name,
               unsigned int pg_per_cake,
               int options);
 
+void
+cake_set_constructor(struct cake_pile* pile, pile_cb ctor);
+
 /**
  * @brief 拿一块儿蛋糕
  *
@@ -73,4 +82,9 @@ cake_init();
 void
 cake_export();
 
+/********** some handy constructor ***********/
+
+void
+cake_ctor_zeroing(struct cake_pile* pile, void* piece);
+
 #endif /* __LUNAIX_VALLOC_H */