qb_map_notify_add - Man Page

Add a notifier to the map.

Synopsis

#include <qb/qbmap.h>

int32_t qb_map_notify_add(
    qb_map_t         *m,
    const char       *key,
    qb_map_notify_fn  fn,
    int32_t           events,
    void             *user_data
);

Params

m         the map instance

key       the key (or prefix) to attach the notification to.

fn        the callback

events    the type of events to register for.

user_data a pointer to be passed into the callback

Description

Return Value

0          success

-errno     failure

Note

you can use key prefixes with trie maps.

See Also

qb_trie_dump(3), qb_map_iter_create(3), qb_skiplist_create(3), qb_map_notify_del(3), qb_map_put(3), qb_map_count_get(3), qb_map_foreach(3), qb_map_pref_iter_create(3), qb_map_iter_next(3), qb_map_get(3), qb_map_destroy(3), qb_hashtable_create(3), qb_map_iter_free(3), qb_trie_create(3), qb_map_notify_del_2(3), qb_map_rm(3)

Referenced By

qb_hashtable_create(3), qb_map_count_get(3), qb_map_destroy(3), qb_map_foreach(3), qb_map_get(3), qbmap.h(3), qb_map_iter_create(3), qb_map_iter_free(3), qb_map_iter_next(3), qb_map_notify_del(3), qb_map_notify_del_2(3), qb_map_pref_iter_create(3), qb_map_put(3), qb_map_rm(3), qb_skiplist_create(3), qb_trie_create(3), qb_trie_dump(3).

2021-03-03 libqb Programmer's Manual