in txn, clean up old update records when they can't be referenced anymore

[nbds] / include / skiplist.h

diff --git a/include/skiplist.h b/include/skiplist.h
index 11824f8f747cbb6c3e0e68cb8569c9a1539f5990..08d32cfa0001d8c4fc0d63cb3c98df33f587093b 100644 (file)
--- a/include/skiplist.h
+++ b/include/skiplist.h
@@ -1,19 +1,22 @@
 #ifndef SKIPLIST_H
 #define SKIPLIST_H
 
-#include "datatype.h"
 #include "map.h"
 
 typedef struct sl skiplist_t;
 
-extern map_type_t MAP_TYPE_SKIPLIST;
-
-skiplist_t *sl_alloc (const datatype_t *key_type);
+skiplist_t * sl_alloc (const datatype_t *key_type);
 uint64_t sl_cas    (skiplist_t *sl, void *key, uint64_t expected_val, uint64_t new_val);
 uint64_t sl_lookup (skiplist_t *sl, void *key);
 uint64_t sl_remove (skiplist_t *sl, void *key);
 uint64_t sl_count  (skiplist_t *sl);
 void     sl_print  (skiplist_t *sl);
 void     sl_free   (skiplist_t *sl);
+void *   sl_min_key(skiplist_t *sl);
+
+static const map_impl_t sl_map_impl = { 
+    (map_alloc_t)sl_alloc, (map_cas_t)sl_cas, (map_get_t)sl_lookup, (map_remove_t)sl_remove, 
+    (map_count_t)sl_count, (map_print_t)sl_print, (map_free_t)sl_free
+};
 
 #endif//SKIPLIST_H