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Merge branch 'master' into urcu/ht-shrink-help
[urcu.git]
/
urcu
/
rculfhash.h
diff --git
a/urcu/rculfhash.h
b/urcu/rculfhash.h
index 46c0beaf03a5e71fe74dd41c00f9e48fbd8dc32e..8f501ea29b7b1e549c9b2d87f9ecf2e769251af0 100644
(file)
--- a/
urcu/rculfhash.h
+++ b/
urcu/rculfhash.h
@@
-72,20
+72,34
@@
void cds_lfht_node_init(struct cds_lfht_node *node, void *key,
node->key_len = key_len;
}
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.
/*
* 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,
*/
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 (*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));
/*
* cds_lfht_destroy - destroy a hash table.
/*
* cds_lfht_destroy - destroy a hash table.
+ *
+ * Return 0 on success, negative error value on error.
*/
int cds_lfht_destroy(struct cds_lfht *ht);
*/
int cds_lfht_destroy(struct cds_lfht *ht);
@@
-101,7
+115,7
@@
void cds_lfht_count_nodes(struct cds_lfht *ht,
/*
* cds_lfht_lookup - lookup a node by key.
*
/*
* cds_lfht_lookup - lookup a node by key.
*
- * Return
s
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);
* Call with rcu_read_lock held.
*/
struct cds_lfht_node *cds_lfht_lookup(struct cds_lfht *ht, void *key, size_t key_len);
@@
-109,7
+123,7
@@
struct cds_lfht_node *cds_lfht_lookup(struct cds_lfht *ht, void *key, size_t key
/*
* cds_lfht_next - get the next item with same key (after a lookup).
*
/*
* cds_lfht_next - get the next item with same key (after a lookup).
*
- * Return
s
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.
* 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.
@@
-126,8
+140,8
@@
void cds_lfht_add(struct cds_lfht *ht, struct cds_lfht_node *node);
/*
* cds_lfht_add_unique - add a node to hash table, if key is not present.
*
/*
* cds_lfht_add_unique - add a node to hash table, if key is not present.
*
- * Return
s
the node added upon success.
- * Return
s
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.
*/
* the node passed as parameter should be freed by the caller.
* Call with rcu_read_lock held.
*/
@@
-144,11
+158,9
@@
int cds_lfht_remove(struct cds_lfht *ht, struct cds_lfht_node *node);
/*
* cds_lfht_resize - Force a hash table resize
/*
* 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
}
#ifdef __cplusplus
}
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