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Diffstat (limited to 'storage/xtradb/include/hash0hash.ic')
| -rw-r--r-- | storage/xtradb/include/hash0hash.ic | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/storage/xtradb/include/hash0hash.ic b/storage/xtradb/include/hash0hash.ic deleted file mode 100644 index 3d93cc12e32..00000000000 --- a/storage/xtradb/include/hash0hash.ic +++ /dev/null @@ -1,225 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1997, 2009, Oracle and/or its affiliates. All Rights Reserved. - -This program 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; version 2 of the License. - -This program 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 02110-1335 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/hash0hash.ic -The simple hash table utility - -Created 5/20/1997 Heikki Tuuri -*******************************************************/ - -#include "ut0rnd.h" - -/************************************************************//** -Gets the nth cell in a hash table. -@return pointer to cell */ -UNIV_INLINE -hash_cell_t* -hash_get_nth_cell( -/*==============*/ - hash_table_t* table, /*!< in: hash table */ - ulint n) /*!< in: cell index */ -{ - ut_ad(table); - ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); - ut_ad(n < table->n_cells); - - return(table->array + n); -} - -/*************************************************************//** -Clears a hash table so that all the cells become empty. */ -UNIV_INLINE -void -hash_table_clear( -/*=============*/ - hash_table_t* table) /*!< in/out: hash table */ -{ - ut_ad(table); - ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); - memset(table->array, 0x0, - table->n_cells * sizeof(*table->array)); -} - -/*************************************************************//** -Returns the number of cells in a hash table. -@return number of cells */ -UNIV_INLINE -ulint -hash_get_n_cells( -/*=============*/ - hash_table_t* table) /*!< in: table */ -{ - ut_ad(table); - ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); - return(table->n_cells); -} - -/**************************************************************//** -Calculates the hash value from a folded value. -@return hashed value */ -UNIV_INLINE -ulint -hash_calc_hash( -/*===========*/ - ulint fold, /*!< in: folded value */ - hash_table_t* table) /*!< in: hash table */ -{ - ut_ad(table); - ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); - return(ut_hash_ulint(fold, table->n_cells)); -} - -#ifndef UNIV_HOTBACKUP -/************************************************************//** -Gets the sync object index for a fold value in a hash table. -@return index */ -UNIV_INLINE -ulint -hash_get_sync_obj_index( -/*====================*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold) /*!< in: fold */ -{ - ut_ad(table); - ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); - ut_ad(table->type != HASH_TABLE_SYNC_NONE); - ut_ad(ut_is_2pow(table->n_sync_obj)); - return(ut_2pow_remainder(hash_calc_hash(fold, table), - table->n_sync_obj)); -} - -/************************************************************//** -Gets the nth heap in a hash table. -@return mem heap */ -UNIV_INLINE -mem_heap_t* -hash_get_nth_heap( -/*==============*/ - hash_table_t* table, /*!< in: hash table */ - ulint i) /*!< in: index of the heap */ -{ - ut_ad(table); - ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); - ut_ad(table->type != HASH_TABLE_SYNC_NONE); - ut_ad(i < table->n_sync_obj); - - return(table->heaps[i]); -} - -/************************************************************//** -Gets the heap for a fold value in a hash table. -@return mem heap */ -UNIV_INLINE -mem_heap_t* -hash_get_heap( -/*==========*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold) /*!< in: fold */ -{ - ulint i; - - ut_ad(table); - ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); - - if (table->heap) { - return(table->heap); - } - - i = hash_get_sync_obj_index(table, fold); - - return(hash_get_nth_heap(table, i)); -} - -/************************************************************//** -Gets the nth mutex in a hash table. -@return mutex */ -UNIV_INLINE -ib_prio_mutex_t* -hash_get_nth_mutex( -/*===============*/ - hash_table_t* table, /*!< in: hash table */ - ulint i) /*!< in: index of the mutex */ -{ - ut_ad(table); - ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); - ut_ad(table->type == HASH_TABLE_SYNC_MUTEX); - ut_ad(i < table->n_sync_obj); - - return(table->sync_obj.mutexes + i); -} - -/************************************************************//** -Gets the mutex for a fold value in a hash table. -@return mutex */ -UNIV_INLINE -ib_prio_mutex_t* -hash_get_mutex( -/*===========*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold) /*!< in: fold */ -{ - ulint i; - - ut_ad(table); - ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); - - i = hash_get_sync_obj_index(table, fold); - - return(hash_get_nth_mutex(table, i)); -} - -/************************************************************//** -Gets the nth rw_lock in a hash table. -@return rw_lock */ -UNIV_INLINE -prio_rw_lock_t* -hash_get_nth_lock( -/*==============*/ - hash_table_t* table, /*!< in: hash table */ - ulint i) /*!< in: index of the rw_lock */ -{ - ut_ad(table); - ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); - ut_ad(table->type == HASH_TABLE_SYNC_RW_LOCK); - ut_ad(i < table->n_sync_obj); - - return(table->sync_obj.rw_locks + i); -} - -/************************************************************//** -Gets the rw_lock for a fold value in a hash table. -@return rw_lock */ -UNIV_INLINE -prio_rw_lock_t* -hash_get_lock( -/*==========*/ - hash_table_t* table, /*!< in: hash table */ - ulint fold) /*!< in: fold */ -{ - ulint i; - - ut_ad(table); - ut_ad(table->type == HASH_TABLE_SYNC_RW_LOCK); - ut_ad(table->magic_n == HASH_TABLE_MAGIC_N); - - i = hash_get_sync_obj_index(table, fold); - - return(hash_get_nth_lock(table, i)); -} -#endif /* !UNIV_HOTBACKUP */ |