diff options
Diffstat (limited to 'include/linux/skip_lists.h')
-rw-r--r-- | include/linux/skip_lists.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/skip_lists.h b/include/linux/skip_lists.h new file mode 100644 index 000000000..c19a6ea62 --- /dev/null +++ b/include/linux/skip_lists.h @@ -0,0 +1,27 @@ +#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; + +skiplist_node *skiplist_init(void); +skiplist *new_skiplist(skiplist_node *slnode); +skiplist_node *skiplist_insert(skiplist_node *slnode, skiplist *l, keyType key, valueType value, unsigned int randseed); +void skiplist_delnode(skiplist_node *slnode, skiplist *l, skiplist_node *node); +#endif /* _LINUX_SKIP_LISTS_H */ |