2 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License, version 2 only,
6 * as published by the Free Software Foundation.
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
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 #include "rculfhash.h"
24 #include "rculfhash-internal.h"
26 extern unsigned long lttng_ht_seed
;
28 typedef unsigned long (*hash_fct
)(void *_key
, unsigned long seed
);
29 typedef cds_lfht_match_fct hash_match_fct
;
38 cds_lfht_match_fct match_fct
;
42 struct lttng_ht_iter
{
43 struct cds_lfht_iter iter
;
46 struct lttng_ht_node_str
{
48 struct cds_lfht_node node
;
52 struct lttng_ht_node_ulong
{
54 struct cds_lfht_node node
;
58 /* Hashtable new and destroy */
59 extern struct lttng_ht
*lttng_ht_new(unsigned long size
, int type
);
60 extern void lttng_ht_destroy(struct lttng_ht
*ht
);
62 /* Specialized node init and free functions */
63 extern void lttng_ht_node_init_str(struct lttng_ht_node_str
*node
, char *key
);
64 extern void lttng_ht_node_init_ulong(struct lttng_ht_node_ulong
*node
,
66 extern void lttng_ht_node_free_str(struct lttng_ht_node_str
*node
);
67 extern void lttng_ht_node_free_ulong(struct lttng_ht_node_ulong
*node
);
69 extern void lttng_ht_lookup(struct lttng_ht
*ht
, void *key
,
70 struct lttng_ht_iter
*iter
);
72 /* Specialized add unique functions */
73 extern void lttng_ht_add_unique_str(struct lttng_ht
*ht
,
74 struct lttng_ht_node_str
*node
);
75 extern void lttng_ht_add_unique_ulong(struct lttng_ht
*ht
,
76 struct lttng_ht_node_ulong
*node
);
77 extern struct lttng_ht_node_ulong
*lttng_ht_add_replace_ulong(
78 struct lttng_ht
*ht
, struct lttng_ht_node_ulong
*node
);
79 extern void lttng_ht_add_ulong(struct lttng_ht
*ht
,
80 struct lttng_ht_node_ulong
*node
);
82 extern int lttng_ht_del(struct lttng_ht
*ht
, struct lttng_ht_iter
*iter
);
84 extern void lttng_ht_get_first(struct lttng_ht
*ht
,
85 struct lttng_ht_iter
*iter
);
86 extern void lttng_ht_get_next(struct lttng_ht
*ht
, struct lttng_ht_iter
*iter
);
88 extern unsigned long lttng_ht_get_count(struct lttng_ht
*ht
);
90 extern struct lttng_ht_node_str
*lttng_ht_iter_get_node_str(
91 struct lttng_ht_iter
*iter
);
92 extern struct lttng_ht_node_ulong
*lttng_ht_iter_get_node_ulong(
93 struct lttng_ht_iter
*iter
);
95 #endif /* _LTT_HT_H */