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98 lines
2.2 KiB
98 lines
2.2 KiB
/*
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* $Id$
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*
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* Copyright (C) 2001-2003 FhG Fokus
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*
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* This file is part of Kamailio, a free SIP server.
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*
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* Kamailio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* Kamailio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*! \file
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* \brief USRLOC - Hash table collision slot related functions
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* \ingroup usrloc
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*/
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#ifndef HSLOT_H
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#define HSLOT_H
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#include "../../locking.h"
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#include "udomain.h"
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#include "urecord.h"
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struct udomain;
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struct urecord;
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typedef struct hslot {
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int n; /*!< Number of elements in the collision slot */
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struct urecord* first; /*!< First element in the list */
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struct urecord* last; /*!< Last element in the list */
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struct udomain* d; /*!< Domain we belong to */
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#ifdef GEN_LOCK_T_PREFERED
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gen_lock_t *lock; /*!< Lock for hash entry - fastlock */
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#else
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int lockidx; /*!< Lock index for hash entry - the rest*/
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#endif
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} hslot_t;
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/*! \brief
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* Initialize slot structure
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*/
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void init_slot(struct udomain* _d, hslot_t* _s, int n);
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/*! \brief
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* Deinitialize given slot structure
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*/
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void deinit_slot(hslot_t* _s);
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/*! \brief
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* Add an element to slot linked list
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*/
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void slot_add(hslot_t* _s, struct urecord* _r);
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/*! \brief
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* Remove an element from slot linked list
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*/
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void slot_rem(hslot_t* _s, struct urecord* _r);
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/*!
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* \brief Initialize locks for the hash table
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* \return 0 on success, -1 on failure
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*/
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int ul_init_locks(void);
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/*!
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* \brief Destroy all locks on the list
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*/
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void ul_unlock_locks(void);
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void ul_destroy_locks(void);
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#ifndef GEN_LOCK_T_PREFERED
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void ul_lock_idx(int idx);
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void ul_release_idx(int idx);
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#endif
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#endif /* HSLOT_H */
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