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Viewing changes to plugin/innobase/mem/mem0dbg.c

  • Committer: Marisa Plumb
  • Date: 2010-12-04 02:38:29 UTC
  • mto: This revision was merged to the branch mainline in revision 1984.
  • Revision ID: marisa.plumb@gmail.com-20101204023829-2khzxh30wxi256db
updates to a few sql docs 

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plugin/innobase/mem/mem0dbg.c
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/*****************************************************************************
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Copyright (C) 1994, 2010, Innobase Oy. All Rights Reserved.
 
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Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved.
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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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/* The mutex which protects in the debug version the hash table
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containing the list of live memory heaps, and also the global
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variables below. */
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UNIV_INTERN mutex_t             mem_hash_mutex;
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#ifdef UNIV_PFS_MUTEX
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/* Key to register mem_hash_mutex with performance schema */
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UNIV_INTERN mysql_pfs_key_t     mem_hash_mutex_key;
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#endif /* UNIV_PFS_MUTEX */
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UNIV_INTERN mutex_t     mem_hash_mutex;
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# endif /* !UNIV_HOTBACKUP */
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/* The following variables contain information about the
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        /* Initialize the hash table */
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        ut_a(FALSE == mem_hash_initialized);
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        mutex_create(mem_hash_mutex_key, &mem_hash_mutex, SYNC_MEM_HASH);
 
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        mutex_create(&mem_hash_mutex, SYNC_MEM_HASH);
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        for (i = 0; i < MEM_HASH_SIZE; i++) {
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                UT_LIST_INIT(*mem_hash_get_nth_cell(i));
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mem_field_erase(
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/*============*/
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        byte*   buf,    /*!< in: memory field */
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        ulint   /*n __attribute__((unused))*/)
 
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        ulint   n __attribute__((unused)))
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                        /*!< in: how many bytes the user requested */
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{
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        byte*   usr_buf;
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mem_heap_validate_or_print(
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/*=======================*/
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        mem_heap_t*     heap,   /*!< in: memory heap */
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        byte*           /*top __attribute__((unused))*/,
 
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        byte*           top __attribute__((unused)),
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                                /*!< in: calculate and validate only until
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                                this top pointer in the heap is reached,
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                                if this pointer is NULL, ignored */