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#ifndef _LINUX_SKIP_LISTS_H
#define _LINUX_SKIP_LISTS_H
typedef u64 keyType;
typedef void *valueType;
typedef struct nodeStructure skiplist_node;
struct nodeStructure {
int level; /* Levels in this structure */
keyType key;
valueType value;
skiplist_node *next[16];
skiplist_node *prev[16];
};
typedef struct listStructure {
int entries;
int level; /* Maximum level of the list
(1 more than the number of levels in the list) */
skiplist_node *header; /* pointer to header */
} skiplist;
void skiplist_init(skiplist_node *slnode);
skiplist *new_skiplist(skiplist_node *slnode);
void free_skiplist(skiplist *l);
void skiplist_node_init(skiplist_node *node);
void skiplist_insert(skiplist *l, skiplist_node *node, keyType key, valueType value, unsigned int randseed);
void skiplist_delete(skiplist *l, skiplist_node *node);
static inline bool skiplist_node_empty(skiplist_node *node) {
return (!node->next[0]);
}
#endif /* _LINUX_SKIP_LISTS_H */
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