urcu/rculfhash.h

   1 #ifndef _URCU_RCULFHASH_H
   2 #define _URCU_RCULFHASH_H
   3
   4 #include <stdint.h>
   5
   6 /*
   7  * Caution !
   8  * Ensure writer threads are registered as urcu readers and with with
   9  * urcu-defer.
  10  * Ensure reader threads are registered as urcu readers.
  11  */
  12
  13 typedef uint32_t (*ht_hash_fct)(void *key, uint32_t length, uint32_t initval);
  14
  15 /*
  16  * init_size must be power of two.
  17  */
  18 struct rcu_ht *ht_new(ht_hash_fct hash_fct, void (*free_fct)(void *data),
  19                       unsigned long init_size, uint32_t keylen,
  20                       uint32_t hashseed);
  21
  22 int ht_delete_all(struct rcu_ht *ht);
  23
  24 int ht_destroy(struct rcu_ht *ht);
  25
  26 void *ht_lookup(struct rcu_ht *ht, void *key);
  27
  28 int ht_add(struct rcu_ht *ht, void *key, void *data);
  29
  30 int ht_delete(struct rcu_ht *ht, void *key);
  31
  32 void *ht_steal(struct rcu_ht *ht, void *key);
  33
  34 void ht_resize(struct rcu_ht *ht, int growth);
  35
  36 uint32_t ht_jhash(void *key, uint32_t length, uint32_t initval);
  37
  38 #endif /* _URCU_RCULFHASH_H */