lttng-sessiond/hashtable.h

   1 /*
   2  * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License as published by the Free
   6  * Software Foundation; only version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11  * more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with
  14  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  15  * Place - Suite 330, Boston, MA  02111-1307, USA.
  16  */
  17
  18 #ifndef _LTT_HASHTABLE_H
  19 #define _LTT_HASHTABLE_H
  20
  21 #include <urcu.h>
  22 #include "../hashtable/rculfhash.h"
  23
  24 struct cds_lfht *hashtable_new(unsigned long size);
  25 struct cds_lfht *hashtable_new_str(unsigned long size);
  26
  27 struct cds_lfht_node *hashtable_iter_get_node(struct cds_lfht_iter *iter);
  28 struct cds_lfht_node *hashtable_lookup(struct cds_lfht *ht, void *key,
  29                 size_t key_len, struct cds_lfht_iter *iter);
  30
  31 void hashtable_get_first(struct cds_lfht *ht, struct cds_lfht_iter *iter);
  32 void hashtable_get_next(struct cds_lfht *ht, struct cds_lfht_iter *iter);
  33 void hashtable_add_unique(struct cds_lfht *ht, struct cds_lfht_node *node);
  34 void hashtable_node_init(struct cds_lfht_node *node,
  35                 void *key, size_t key_len);
  36
  37 int hashtable_del(struct cds_lfht *ht, struct cds_lfht_iter *iter);
  38 unsigned long hashtable_get_count(struct cds_lfht *ht);
  39 int hashtable_destroy(struct cds_lfht *ht);
  40
  41 #endif /* _LTT_HASHTABLE_H */