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641.2.2
by Monty Taylor
InnoDB Plugin 1.0.3 |
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/*****************************************************************************
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1819.5.221
by vasil
Merge Revision revid:svn-v4:16c675df-0fcb-4bc9-8058-dcc011a37293:branches/zip:6749 from MySQL InnoDB |
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Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved.
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641.2.2
by Monty Taylor
InnoDB Plugin 1.0.3 |
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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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1802.10.2
by Monty Taylor
Update all of the copyright headers to include the correct address. |
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this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
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St, Fifth Floor, Boston, MA 02110-1301 USA
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641.2.2
by Monty Taylor
InnoDB Plugin 1.0.3 |
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*****************************************************************************/
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641.2.3
by Monty Taylor
InnoDB Plugin 1.0.4 |
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/********************************************************************//**
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@file include/mem0dbg.ic
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641.1.2
by Monty Taylor
Imported 1.0.1 with clean - with no changes. |
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The memory management: the debug code. This is not an independent
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compilation module but is included in mem0mem.*.
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Created 6/8/1994 Heikki Tuuri
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*************************************************************************/
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#ifdef UNIV_MEM_DEBUG |
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extern ulint mem_current_allocated_memory; |
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641.2.3
by Monty Taylor
InnoDB Plugin 1.0.4 |
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/******************************************************************//**
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641.1.2
by Monty Taylor
Imported 1.0.1 with clean - with no changes. |
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Initializes an allocated memory field in the debug version. */
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UNIV_INTERN
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void
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mem_field_init( |
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/*===========*/
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641.2.3
by Monty Taylor
InnoDB Plugin 1.0.4 |
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byte* buf, /*!< in: memory field */ |
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ulint n); /*!< in: how many bytes the user requested */ |
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/******************************************************************//**
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641.1.2
by Monty Taylor
Imported 1.0.1 with clean - with no changes. |
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Erases an allocated memory field in the debug version. */
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UNIV_INTERN
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void
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mem_field_erase( |
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/*============*/
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641.2.3
by Monty Taylor
InnoDB Plugin 1.0.4 |
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byte* buf, /*!< in: memory field */ |
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ulint n); /*!< in: how many bytes the user requested */ |
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/***************************************************************//**
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641.1.2
by Monty Taylor
Imported 1.0.1 with clean - with no changes. |
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Initializes a buffer to a random combination of hex BA and BE.
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Used to initialize allocated memory. */
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UNIV_INTERN
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void
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mem_init_buf( |
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/*=========*/
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641.2.3
by Monty Taylor
InnoDB Plugin 1.0.4 |
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byte* buf, /*!< in: pointer to buffer */ |
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ulint n); /*!< in: length of buffer */ |
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/***************************************************************//**
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641.1.2
by Monty Taylor
Imported 1.0.1 with clean - with no changes. |
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Initializes a buffer to a random combination of hex DE and AD.
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641.2.3
by Monty Taylor
InnoDB Plugin 1.0.4 |
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Used to erase freed memory. */
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641.1.2
by Monty Taylor
Imported 1.0.1 with clean - with no changes. |
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UNIV_INTERN
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void
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mem_erase_buf( |
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/*==========*/
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641.2.3
by Monty Taylor
InnoDB Plugin 1.0.4 |
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byte* buf, /*!< in: pointer to buffer */ |
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ulint n); /*!< in: length of buffer */ |
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/***************************************************************//**
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641.1.2
by Monty Taylor
Imported 1.0.1 with clean - with no changes. |
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Inserts a created memory heap to the hash table of
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current allocated memory heaps.
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Initializes the hash table when first called. */
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UNIV_INTERN
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void
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mem_hash_insert( |
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/*============*/
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641.2.3
by Monty Taylor
InnoDB Plugin 1.0.4 |
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mem_heap_t* heap, /*!< in: the created heap */ |
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const char* file_name, /*!< in: file name of creation */ |
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ulint line); /*!< in: line where created */ |
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/***************************************************************//**
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641.1.2
by Monty Taylor
Imported 1.0.1 with clean - with no changes. |
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Removes a memory heap (which is going to be freed by the caller)
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from the list of live memory heaps. Returns the size of the heap
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in terms of how much memory in bytes was allocated for the user of
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the heap (not the total space occupied by the heap).
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Also validates the heap.
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NOTE: This function does not free the storage occupied by the
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heap itself, only the node in the list of heaps. */
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UNIV_INTERN
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void
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mem_hash_remove( |
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/*============*/
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641.2.3
by Monty Taylor
InnoDB Plugin 1.0.4 |
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mem_heap_t* heap, /*!< in: the heap to be freed */ |
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const char* file_name, /*!< in: file name of freeing */ |
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ulint line); /*!< in: line where freed */ |
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641.1.2
by Monty Taylor
Imported 1.0.1 with clean - with no changes. |
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void
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mem_field_header_set_len(byte* field, ulint len); |
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ulint
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mem_field_header_get_len(byte* field); |
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void
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mem_field_header_set_check(byte* field, ulint check); |
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ulint
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mem_field_header_get_check(byte* field); |
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void
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mem_field_trailer_set_check(byte* field, ulint check); |
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ulint
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mem_field_trailer_get_check(byte* field); |
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#endif /* UNIV_MEM_DEBUG */ |