node->key_len = key_len;
}
+/*
+ * Hash table creation flags.
+ */
+enum {
+ CDS_LFHT_AUTO_RESIZE = (1U << 0),
+};
+
/*
* cds_lfht_new - allocate a hash table.
*
* init_size must be power of two.
+ * Return NULL on error.
*/
struct cds_lfht *cds_lfht_new(cds_lfht_hash_fct hash_fct,
cds_lfht_compare_fct compare_fct,
unsigned long hash_seed,
unsigned long init_size,
+ int flags,
void (*cds_lfht_call_rcu)(struct rcu_head *head,
- void (*func)(struct rcu_head *head)));
+ void (*func)(struct rcu_head *head)),
+ void (*cds_lfht_synchronize_rcu)(void),
+ void (*cds_lfht_rcu_read_lock)(void),
+ void (*cds_lfht_rcu_read_unlock)(void),
+ void (*cds_lfht_rcu_thread_offline)(void),
+ void (*cds_lfht_rcu_thread_online)(void));
/*
* cds_lfht_destroy - destroy a hash table.
+ *
+ * Return 0 on success, negative error value on error.
*/
int cds_lfht_destroy(struct cds_lfht *ht);
/*
* cds_lfht_lookup - lookup a node by key.
*
- * Returns NULL if not found.
+ * Return NULL if not found.
* Call with rcu_read_lock held.
*/
struct cds_lfht_node *cds_lfht_lookup(struct cds_lfht *ht, void *key, size_t key_len);
/*
* cds_lfht_next - get the next item with same key (after a lookup).
*
- * Returns NULL if no following node exists with same key.
+ * Return NULL if no following node exists with same key.
* RCU read-side lock must be held across cds_lfht_lookup and cds_lfht_next calls, and also
* between cds_lfht_next calls using the node returned by a previous cds_lfht_next.
* Call with rcu_read_lock held.
/*
* cds_lfht_add_unique - add a node to hash table, if key is not present.
*
- * Returns the node added upon success.
- * Returns the unique node already present upon failure. If cds_lfht_add_unique fails,
+ * Return the node added upon success.
+ * Return the unique node already present upon failure. If cds_lfht_add_unique fails,
* the node passed as parameter should be freed by the caller.
* Call with rcu_read_lock held.
*/
/*
* cds_lfht_resize - Force a hash table resize
- * @growth: growth order (current size is multiplied by 2^growth)
- *
- * Currently, only expand operation is supported (growth >= 0).
+ * @new_size: update to this hash table size.
*/
-void cds_lfht_resize(struct cds_lfht *ht, int growth);
+void cds_lfht_resize(struct cds_lfht *ht, unsigned long new_size);
#ifdef __cplusplus
}