1QB_MAP_NOTIFY_ADD(3)       libqb Programmer's Manual      QB_MAP_NOTIFY_ADD(3)
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NAME

6       qb_map_notify_add - Add a notifier to the map.
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SYNOPSIS

10       #include <qb/qbmap.h>
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12       int32_t qb_map_notify_add(
13           qb_map_t         *m,
14           const char       *key,
15           qb_map_notify_fn  fn,
16           int32_t           events,
17           void             *user_data
18       );
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PARAMS

21       m         the map instance
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23       key       the key (or prefix) to attach the notification to.
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25       fn        the callback
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27       events    the type of events to register for.
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29       user_data a pointer to be passed into the callback
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DESCRIPTION

RETURN VALUE
33       0          success
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35       -errno     failure
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NOTE
38       you can use key prefixes with trie maps.
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SEE ALSO
41       qb_trie_dump(3), qb_map_iter_create(3), qb_skiplist_create(3),
42       qb_map_notify_del(3), qb_map_put(3), qb_map_count_get(3),
43       qb_map_foreach(3), qb_map_pref_iter_create(3), qb_map_iter_next(3),
44       qb_map_get(3), qb_map_destroy(3), qb_hashtable_create(3),
45       qb_map_iter_free(3), qb_trie_create(3), qb_map_notify_del_2(3),
46       qb_map_rm(3)
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49       Copyright (C) 2010-2020 Red Hat, Inc.
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53LIBQB                             2021-03-03              QB_MAP_NOTIFY_ADD(3)



        

    


            
        

        

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