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

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

20       m         the map instance
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22       key       the key (or prefix) to attach the notification to.
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24       fn        the callback
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26       events    the type of events to register for.
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28       user_data a pointer to be passed into the callback
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DESCRIPTION

31       0          success
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33       -errno     failure
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NOTE

36       you can use key prefixes with trie maps.
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SEE ALSO

39       qb_trie_dump(3), qb_map_iter_create(3), qb_skiplist_create(3),
40       qb_map_notify_del(3), qb_map_put(3), qb_map_count_get(3),
41       qb_map_foreach(3), qb_map_pref_iter_create(3), qb_map_iter_next(3),
42       qb_map_get(3), qb_map_destroy(3), qb_hashtable_create(3),
43       qb_map_iter_free(3), qb_trie_create(3), qb_map_notify_del_2(3),
44       qb_map_rm(3)
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COPYRIGHT

47       Copyright (C) 2010-2020 Red Hat, Inc. All rights reserved.
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51LIBQB                             2020-07-30              QB_MAP_NOTIFY_ADD(3)