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Detailed revision comments:
r6749 | vasil | 2010-02-20 18:45:41 +0200 (Sat, 20 Feb 2010) | 5 lines
Non-functional change: update copyright year to 2010 of the files
that have been modified after 2010-01-01 according to svn.
for f in $(svn log -v -r{2010-01-01}:HEAD |grep "^ M " |cut -b 16- |sort -u) ; do sed -i "" -E 's/(Copyright \(c\) [0-9]{4},) [0-9]{4}, (.*Innobase Oy.+All Rights Reserved)/\1 2010, \2/' $f ; done
151 lines
5.3 KiB
C
151 lines
5.3 KiB
C
/*****************************************************************************
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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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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., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*****************************************************************************/
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/**************************************************//**
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@file include/mem0dbg.h
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The memory management: the debug code. This is not a compilation module,
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but is included in mem0mem.* !
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Created 6/9/1994 Heikki Tuuri
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*******************************************************/
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/* In the debug version each allocated field is surrounded with
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check fields whose sizes are given below */
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#ifdef UNIV_MEM_DEBUG
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# ifndef UNIV_HOTBACKUP
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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 in mem0dbg.c. */
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extern mutex_t mem_hash_mutex;
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# endif /* !UNIV_HOTBACKUP */
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#define MEM_FIELD_HEADER_SIZE ut_calc_align(2 * sizeof(ulint),\
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UNIV_MEM_ALIGNMENT)
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#define MEM_FIELD_TRAILER_SIZE sizeof(ulint)
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#else
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#define MEM_FIELD_HEADER_SIZE 0
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#endif
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/* Space needed when allocating for a user a field of
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length N. The space is allocated only in multiples of
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UNIV_MEM_ALIGNMENT. In the debug version there are also
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check fields at the both ends of the field. */
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#ifdef UNIV_MEM_DEBUG
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#define MEM_SPACE_NEEDED(N) ut_calc_align((N) + MEM_FIELD_HEADER_SIZE\
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+ MEM_FIELD_TRAILER_SIZE, UNIV_MEM_ALIGNMENT)
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#else
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#define MEM_SPACE_NEEDED(N) ut_calc_align((N), UNIV_MEM_ALIGNMENT)
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#endif
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#if defined UNIV_MEM_DEBUG || defined UNIV_DEBUG
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/***************************************************************//**
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Checks a memory heap for consistency and prints the contents if requested.
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Outputs the sum of sizes of buffers given to the user (only in
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the debug version), the physical size of the heap and the number of
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blocks in the heap. In case of error returns 0 as sizes and number
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of blocks. */
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UNIV_INTERN
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void
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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, /*!< 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 */
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ibool print, /*!< in: if TRUE, prints the contents
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of the heap; works only in
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the debug version */
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ibool* error, /*!< out: TRUE if error */
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ulint* us_size,/*!< out: allocated memory
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(for the user) in the heap,
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if a NULL pointer is passed as this
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argument, it is ignored; in the
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non-debug version this is always -1 */
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ulint* ph_size,/*!< out: physical size of the heap,
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if a NULL pointer is passed as this
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argument, it is ignored */
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ulint* n_blocks); /*!< out: number of blocks in the heap,
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if a NULL pointer is passed as this
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argument, it is ignored */
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/**************************************************************//**
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Validates the contents of a memory heap.
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@return TRUE if ok */
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UNIV_INTERN
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ibool
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mem_heap_validate(
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/*==============*/
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mem_heap_t* heap); /*!< in: memory heap */
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#endif /* UNIV_MEM_DEBUG || UNIV_DEBUG */
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#ifdef UNIV_DEBUG
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/**************************************************************//**
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Checks that an object is a memory heap (or a block of it)
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@return TRUE if ok */
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UNIV_INTERN
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ibool
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mem_heap_check(
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/*===========*/
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mem_heap_t* heap); /*!< in: memory heap */
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#endif /* UNIV_DEBUG */
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#ifdef UNIV_MEM_DEBUG
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/*****************************************************************//**
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TRUE if no memory is currently allocated.
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@return TRUE if no heaps exist */
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UNIV_INTERN
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ibool
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mem_all_freed(void);
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/*===============*/
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/*****************************************************************//**
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Validates the dynamic memory
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@return TRUE if error */
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UNIV_INTERN
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ibool
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mem_validate_no_assert(void);
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/*=========================*/
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/************************************************************//**
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Validates the dynamic memory
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@return TRUE if ok */
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UNIV_INTERN
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ibool
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mem_validate(void);
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/*===============*/
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#endif /* UNIV_MEM_DEBUG */
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/************************************************************//**
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Tries to find neigboring memory allocation blocks and dumps to stderr
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the neighborhood of a given pointer. */
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UNIV_INTERN
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void
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mem_analyze_corruption(
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/*===================*/
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void* ptr); /*!< in: pointer to place of possible corruption */
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/*****************************************************************//**
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Prints information of dynamic memory usage and currently allocated memory
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heaps or buffers. Can only be used in the debug version. */
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UNIV_INTERN
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void
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mem_print_info(void);
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/*================*/
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/*****************************************************************//**
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Prints information of dynamic memory usage and currently allocated memory
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heaps or buffers since the last ..._print_info or..._print_new_info. */
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UNIV_INTERN
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void
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mem_print_new_info(void);
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/*====================*/
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