.\" .\" Copyright 2012-2013 Samy Al Bahra. .\" All rights reserved. .\" .\" Redistribution and use in source and binary forms, with or without .\" modification, are permitted provided that the following conditions .\" are met: .\" 1. Redistributions of source code must retain the above copyright .\" notice, this list of conditions and the following disclaimer. .\" 2. Redistributions in binary form must reproduce the above copyright .\" notice, this list of conditions and the following disclaimer in the .\" documentation and/or other materials provided with the distribution. .\" .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" .\" .Dd March 29, 2012 .Dt CK_HT_COUNT 3 .Sh NAME .Nm ck_ht_count .Nd return count of key-value pairs in hash table .Sh LIBRARY Concurrency Kit (libck, \-lck) .Sh SYNOPSIS .In ck_ht.h .Ft uint64_t .Fn ck_ht_count "ck_ht_t *ht" .Sh DESCRIPTION The .Fn ck_ht_count function will return the number of entries in the hash table pointed to be the .Fa ht argument. The function may only be called without the presence of concurrent write operations. .Sh ERRORS Behavior is undefined if .Fa ht has not been initialized. .Sh SEE ALSO .Xr ck_ht_stat 3 , .Xr ck_ht_init 3 , .Xr ck_ht_destroy 3 , .Xr ck_ht_hash 3 , .Xr ck_ht_hash_direct 3 , .Xr ck_ht_set_spmc 3 , .Xr ck_ht_put_spmc 3 , .Xr ck_ht_gc 3 , .Xr ck_ht_get_spmc 3 , .Xr ck_ht_grow_spmc 3 , .Xr ck_ht_remove_spmc 3 , .Xr ck_ht_reset_size_spmc 3 , .Xr ck_ht_reset_spmc 3 , .Xr ck_ht_entry_empty 3 , .Xr ck_ht_entry_key_set 3 , .Xr ck_ht_entry_key_set_direct 3 , .Xr ck_ht_entry_key 3 , .Xr ck_ht_entry_key_length 3 , .Xr ck_ht_entry_value 3 , .Xr ck_ht_entry_set 3 , .Xr ck_ht_entry_set_direct 3 , .Xr ck_ht_entry_key_direct 3 , .Xr ck_ht_entry_value_direct 3 , .Xr ck_ht_iterator_init 3 , .Xr ck_ht_next 3 .Pp Additional information available at http://concurrencykit.org/