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97acc4a1c3
InnoDB defines some functions that are not called at all. Other functions are called, but only from the same compilation unit. Remove some function declarations and definitions, and add 'static' keywords. Some symbols must be kept for separately compiled tools, such as innochecksum.
110 lines
3.1 KiB
Text
110 lines
3.1 KiB
Text
/*****************************************************************************
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Copyright (c) 1996, 2015, Oracle and/or its affiliates. All Rights Reserved.
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Copyright (c) 2017, MariaDB Corporation.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
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*****************************************************************************/
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/**************************************************//**
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@file include/lock0lock.ic
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The transaction lock system
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Created 5/7/1996 Heikki Tuuri
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*******************************************************/
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#include "srv0srv.h"
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#include "dict0dict.h"
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#include "row0row.h"
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#include "trx0sys.h"
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#include "trx0trx.h"
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#include "buf0buf.h"
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#include "page0page.h"
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#include "page0cur.h"
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#include "row0vers.h"
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#include "que0que.h"
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#include "btr0cur.h"
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#include "read0read.h"
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#include "log0recv.h"
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/*********************************************************************//**
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Calculates the fold value of a page file address: used in inserting or
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searching for a lock in the hash table.
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@return folded value */
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UNIV_INLINE
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ulint
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lock_rec_fold(
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/*==========*/
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ulint space, /*!< in: space */
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ulint page_no)/*!< in: page number */
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{
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return(ut_fold_ulint_pair(space, page_no));
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}
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/*********************************************************************//**
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Calculates the hash value of a page file address: used in inserting or
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searching for a lock in the hash table.
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@return hashed value */
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UNIV_INLINE
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unsigned
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lock_rec_hash(
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/*==========*/
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ulint space, /*!< in: space */
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ulint page_no)/*!< in: page number */
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{
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return(unsigned(hash_calc_hash(lock_rec_fold(space, page_no),
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lock_sys->rec_hash)));
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}
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/*********************************************************************//**
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Gets the heap_no of the smallest user record on a page.
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@return heap_no of smallest user record, or PAGE_HEAP_NO_SUPREMUM */
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UNIV_INLINE
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ulint
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lock_get_min_heap_no(
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/*=================*/
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const buf_block_t* block) /*!< in: buffer block */
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{
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const page_t* page = block->frame;
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if (page_is_comp(page)) {
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return(rec_get_heap_no_new(
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page
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+ rec_get_next_offs(page + PAGE_NEW_INFIMUM,
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TRUE)));
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} else {
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return(rec_get_heap_no_old(
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page
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+ rec_get_next_offs(page + PAGE_OLD_INFIMUM,
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FALSE)));
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}
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}
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/*************************************************************//**
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Get the lock hash table */
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UNIV_INLINE
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hash_table_t*
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lock_hash_get(
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/*==========*/
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ulint mode) /*!< in: lock mode */
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{
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if (mode & LOCK_PREDICATE) {
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return(lock_sys->prdt_hash);
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} else if (mode & LOCK_PRDT_PAGE) {
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return(lock_sys->prdt_page_hash);
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} else {
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return(lock_sys->rec_hash);
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}
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}
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