.\"  Automatically generated man page, do not edit
.TH QB_MAP_NOTIFY_ADD 3 2020-10-31 "LIBQB" "libqb Programmer's Manual"
.SH NAME
qb_map_notify_add \- Add a notifier to the map. 

.SH SYNOPSIS
.nf
.B #include <qb/qbmap.h>
.sp
\fBint32_t qb_map_notify_add\fP(
    \fBqb_map_t         *\fP\fIm\fP,
    \fBconst char       *\fP\fIkey\fP,
    \fBqb_map_notify_fn  \fP\fIfn\fP,
    \fBint32_t           \fP\fIevents\fP,
    \fBvoid             *\fP\fIuser_data\fP
);
.fi
.SH PARAMS
\fBm         \fP\fIthe map instance \fP
.PP
\fBkey       \fP\fIthe key (or prefix) to attach the notification to. \fP
.PP
\fBfn        \fP\fIthe callback \fP
.PP
\fBevents    \fP\fIthe type of events to register for. \fP
.PP
\fBuser_data \fP\fIa pointer to be passed into the callback\fP
.PP
.SH DESCRIPTION
.RE
\fB0          \fPsuccess 
.PP
\fB-errno     \fPfailure 
.PP
.SH NOTE
.PP
you can use key prefixes with trie maps.
.SH SEE ALSO
.PP
.nh
.ad l
\fIqb_trie_dump\fR(3), \fIqb_map_iter_create\fR(3), \fIqb_skiplist_create\fR(3), \fIqb_map_notify_del\fR(3), \fIqb_map_put\fR(3), \fIqb_map_count_get\fR(3), \fIqb_map_foreach\fR(3), \fIqb_map_pref_iter_create\fR(3), \fIqb_map_iter_next\fR(3), \fIqb_map_get\fR(3), \fIqb_map_destroy\fR(3), \fIqb_hashtable_create\fR(3), \fIqb_map_iter_free\fR(3), \fIqb_trie_create\fR(3), \fIqb_map_notify_del_2\fR(3), \fIqb_map_rm\fR(3)
.ad
.hy
.SH "COPYRIGHT"
.PP
Copyright (C) 2010-2020 Red Hat, Inc. All rights reserved.