diff options
author | Con Kolivas <kernel@kolivas.org> | 2018-06-27 13:23:55 +1000 |
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committer | Con Kolivas <kernel@kolivas.org> | 2018-06-27 13:26:32 +1000 |
commit | 9568626b45f63b59ec474620525b6f538fc4eeae (patch) | |
tree | 3b85a1056aecbd2039cc8cd3c76826337b971eb9 | |
parent | dcfa9fa0f73e8c93bb38dd392ac2287a9b80443e (diff) |
Missing include.4.17-muqss-172
-rw-r--r-- | include/linux/skip_list.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/linux/skip_list.h b/include/linux/skip_list.h new file mode 100644 index 000000000000..d4be84ba273b --- /dev/null +++ b/include/linux/skip_list.h @@ -0,0 +1,33 @@ +#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[8]; + skiplist_node *prev[8]; +}; + +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 */ |