1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/*
* $Id$
*
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of Kamailio, a free SIP server.
*
* Kamailio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version
*
* Kamailio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*! \file
* \brief USRLOC - Hash table collision slot related functions
* \ingroup usrloc
*/
#ifndef HSLOT_H
#define HSLOT_H
#include "../../locking.h"
#include "udomain.h"
#include "urecord.h"
struct udomain;
struct urecord;
typedef struct hslot {
int n; /*!< Number of elements in the collision slot */
struct urecord* first; /*!< First element in the list */
struct urecord* last; /*!< Last element in the list */
struct udomain* d; /*!< Domain we belong to */
#ifdef GEN_LOCK_T_PREFERED
gen_lock_t *lock; /*!< Lock for hash entry - fastlock */
#else
int lockidx; /*!< Lock index for hash entry - the rest*/
#endif
} hslot_t;
/*! \brief
* Initialize slot structure
*/
void init_slot(struct udomain* _d, hslot_t* _s, int n);
/*! \brief
* Deinitialize given slot structure
*/
void deinit_slot(hslot_t* _s);
/*! \brief
* Add an element to slot linked list
*/
void slot_add(hslot_t* _s, struct urecord* _r);
/*! \brief
* Remove an element from slot linked list
*/
void slot_rem(hslot_t* _s, struct urecord* _r);
/*!
* \brief Initialize locks for the hash table
* \return 0 on success, -1 on failure
*/
int ul_init_locks(void);
/*!
* \brief Destroy all locks on the list
*/
void ul_unlock_locks(void);
void ul_destroy_locks(void);
#ifndef GEN_LOCK_T_PREFERED
void ul_lock_idx(int idx);
void ul_release_idx(int idx);
#endif
#endif /* HSLOT_H */
|
