* @min_nr_alloc_buckets: the minimum number of allocated buckets.
* (must be power of two)
* @max_nr_buckets: the maximum number of hash table buckets allowed.
- * (must be power of two)
+ * (must be power of two, 0 is accepted, means
+ * "infinite")
* @flags: hash table creation flags (can be combined with bitwise or: '|').
* 0: no flags.
* CDS_LFHT_AUTO_RESIZE: automatically resize hash table.
*
* Return 0 on success, negative error value on error.
* Threads calling this API need to be registered RCU read-side threads.
+ * cds_lfht_destroy should *not* be called from a RCU read-side critical
+ * section. It should *not* be called from call_rcu thread context
+ * neither.
+ * In userspace RCU 0.7.x, for QSBR RCU flavor, cds_lfht_destroy() has a
+ * side-effect: it puts the caller thread in "online" state. This will
+ * be fixed in userspace RCU 0.8.x.
*/
int cds_lfht_destroy(struct cds_lfht *ht, pthread_attr_t **attr);
*
* Threads calling this API need to be registered RCU read-side threads.
* This function does not (necessarily) issue memory barriers.
+ * cds_lfht_resize should *not* be called from a RCU read-side critical
+ * section.
+ * In userspace RCU 0.7.x, for QSBR RCU flavor, cds_lfht_resize() has a
+ * side-effect: it puts the caller thread in "online" state. This will
+ * be fixed in userspace RCU 0.8.x.
*/
void cds_lfht_resize(struct cds_lfht *ht, unsigned long new_size);
#define cds_lfht_for_each_entry(ht, iter, pos, member) \
for (cds_lfht_first(ht, iter), \
pos = caa_container_of(cds_lfht_iter_get_node(iter), \
- typeof(*(pos)), member); \
- &(pos)->member != NULL; \
+ __typeof__(*(pos)), member); \
+ cds_lfht_iter_get_node(iter) != NULL; \
cds_lfht_next(ht, iter), \
pos = caa_container_of(cds_lfht_iter_get_node(iter), \
- typeof(*(pos)), member))
+ __typeof__(*(pos)), member))
#define cds_lfht_for_each_entry_duplicate(ht, hash, match, key, \
iter, pos, member) \
for (cds_lfht_lookup(ht, hash, match, key, iter), \
pos = caa_container_of(cds_lfht_iter_get_node(iter), \
- typeof(*(pos)), member); \
- &(pos)->member != NULL; \
+ __typeof__(*(pos)), member); \
+ cds_lfht_iter_get_node(iter) != NULL; \
cds_lfht_next_duplicate(ht, match, key, iter), \
pos = caa_container_of(cds_lfht_iter_get_node(iter), \
- typeof(*(pos)), member))
+ __typeof__(*(pos)), member))
#ifdef __cplusplus
}