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authorGuilhem Bichot <guilhem@mysql.com>2009-08-07 12:16:00 +0200
committerGuilhem Bichot <guilhem@mysql.com>2009-08-07 12:16:00 +0200
commit7ceb29ff17047a268d8e8670478f6e1669939904 (patch)
tree65b42f5cb11f29ea5b4414ff075ccafd48569ad6 /storage/innobase/include/mem0dbg.ic
parent7fa1449eac29401b3d1f3fb4980149e9e562a705 (diff)
downloadmariadb-git-7ceb29ff17047a268d8e8670478f6e1669939904.tar.gz
Renamed storage/innodb_plugin to storage/innobase, so that 1) it's the same
layout as we always had in trees containing only the builtin 2) win\configure.js WITH_INNOBASE_STORAGE_ENGINE still works. storage/innobase/CMakeLists.txt: fix to new directory name (and like 5.1) storage/innobase/Makefile.am: fix to new directory name (and like 5.1) storage/innobase/handler/ha_innodb.cc: fix to new directory name (and like 5.1) storage/innobase/plug.in: fix to new directory name (and like 5.1)
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+/*****************************************************************************
+
+Copyright (c) 1994, 2009, Innobase Oy. 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., 59 Temple
+Place, Suite 330, Boston, MA 02111-1307 USA
+
+*****************************************************************************/
+
+/********************************************************************//**
+@file include/mem0dbg.ic
+The memory management: the debug code. This is not an independent
+compilation module but is included in mem0mem.*.
+
+Created 6/8/1994 Heikki Tuuri
+*************************************************************************/
+
+#ifdef UNIV_MEM_DEBUG
+# ifndef UNIV_HOTBACKUP
+extern mutex_t mem_hash_mutex;
+# endif /* !UNIV_HOTBACKUP */
+extern ulint mem_current_allocated_memory;
+
+/******************************************************************//**
+Initializes an allocated memory field in the debug version. */
+UNIV_INTERN
+void
+mem_field_init(
+/*===========*/
+ byte* buf, /*!< in: memory field */
+ ulint n); /*!< in: how many bytes the user requested */
+/******************************************************************//**
+Erases an allocated memory field in the debug version. */
+UNIV_INTERN
+void
+mem_field_erase(
+/*============*/
+ byte* buf, /*!< in: memory field */
+ ulint n); /*!< in: how many bytes the user requested */
+/***************************************************************//**
+Initializes a buffer to a random combination of hex BA and BE.
+Used to initialize allocated memory. */
+UNIV_INTERN
+void
+mem_init_buf(
+/*=========*/
+ byte* buf, /*!< in: pointer to buffer */
+ ulint n); /*!< in: length of buffer */
+/***************************************************************//**
+Initializes a buffer to a random combination of hex DE and AD.
+Used to erase freed memory. */
+UNIV_INTERN
+void
+mem_erase_buf(
+/*==========*/
+ byte* buf, /*!< in: pointer to buffer */
+ ulint n); /*!< in: length of buffer */
+/***************************************************************//**
+Inserts a created memory heap to the hash table of
+current allocated memory heaps.
+Initializes the hash table when first called. */
+UNIV_INTERN
+void
+mem_hash_insert(
+/*============*/
+ mem_heap_t* heap, /*!< in: the created heap */
+ const char* file_name, /*!< in: file name of creation */
+ ulint line); /*!< in: line where created */
+/***************************************************************//**
+Removes a memory heap (which is going to be freed by the caller)
+from the list of live memory heaps. Returns the size of the heap
+in terms of how much memory in bytes was allocated for the user of
+the heap (not the total space occupied by the heap).
+Also validates the heap.
+NOTE: This function does not free the storage occupied by the
+heap itself, only the node in the list of heaps. */
+UNIV_INTERN
+void
+mem_hash_remove(
+/*============*/
+ mem_heap_t* heap, /*!< in: the heap to be freed */
+ const char* file_name, /*!< in: file name of freeing */
+ ulint line); /*!< in: line where freed */
+
+
+void
+mem_field_header_set_len(byte* field, ulint len);
+
+ulint
+mem_field_header_get_len(byte* field);
+
+void
+mem_field_header_set_check(byte* field, ulint check);
+
+ulint
+mem_field_header_get_check(byte* field);
+
+void
+mem_field_trailer_set_check(byte* field, ulint check);
+
+ulint
+mem_field_trailer_get_check(byte* field);
+#endif /* UNIV_MEM_DEBUG */