1 files changed, 117 insertions, 0 deletions
diff --git a/innobase/include/mem0dbg.h b/innobase/include/mem0dbg.h
new file mode 100644
index 00000000000..dda37626198
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+++ b/innobase/include/mem0dbg.h
@@ -0,0 +1,117 @@
+/******************************************************
+The memory management: the debug code. This is not a compilation module,
+but is included in mem0mem.* !
+
+(c) 1994, 1995 Innobase Oy
+
+Created 6/9/1994 Heikki Tuuri
+*******************************************************/
+
+/* In the debug version each allocated field is surrounded with
+check fields whose sizes are given below */
+
+#define MEM_FIELD_HEADER_SIZE   ut_calc_align(2 * sizeof(ulint),\
+						UNIV_MEM_ALIGNMENT)
+#define MEM_FIELD_TRAILER_SIZE  sizeof(ulint)
+
+#define MEM_BLOCK_MAGIC_N	764741
+
+/* Space needed when allocating for a user a field of
+length N. The space is allocated only in multiples of
+UNIV_MEM_ALIGNMENT. In the debug version there are also
+check fields at the both ends of the field. */
+#ifdef UNIV_MEM_DEBUG
+#define MEM_SPACE_NEEDED(N) ut_calc_align((N) + MEM_FIELD_HEADER_SIZE\
+			       	              + MEM_FIELD_TRAILER_SIZE,\
+				          UNIV_MEM_ALIGNMENT)
+#else
+#define MEM_SPACE_NEEDED(N) ut_calc_align((N), UNIV_MEM_ALIGNMENT)
+#endif
+
+/*******************************************************************
+Checks a memory heap for consistency and prints the contents if requested.
+Outputs the sum of sizes of buffers given to the user (only in
+the debug version), the physical size of the heap and the number of
+blocks in the heap. In case of error returns 0 as sizes and number
+of blocks. */
+
+void
+mem_heap_validate_or_print(
+/*=======================*/
+	mem_heap_t*   	heap, 	/* in: memory heap */
+	byte*		top,	/* in: calculate and validate only until
+				this top pointer in the heap is reached,
+				if this pointer is NULL, ignored */
+	ibool            print,  /* in: if TRUE, prints the contents
+				of the heap; works only in
+				the debug version */
+	ibool*           error,  /* out: TRUE if error */
+	ulint*          us_size,/* out: allocated memory 
+				(for the user) in the heap,
+				if a NULL pointer is passed as this
+				argument, it is ignored; in the
+				non-debug version this is always -1 */
+	ulint*          ph_size,/* out: physical size of the heap,
+				if a NULL pointer is passed as this
+				argument, it is ignored */
+	ulint*          n_blocks); /* out: number of blocks in the heap,
+				if a NULL pointer is passed as this
+				argument, it is ignored */
+/******************************************************************
+Prints the contents of a memory heap. */
+
+void
+mem_heap_print(
+/*===========*/
+	mem_heap_t*   heap);	/* in: memory heap */
+/******************************************************************
+Checks that an object is a memory heap (or a block of it) */
+
+ibool
+mem_heap_check(
+/*===========*/
+				/* out: TRUE if ok */
+	mem_heap_t*   heap);	/* in: memory heap */
+/******************************************************************
+Validates the contents of a memory heap. */
+
+ibool
+mem_heap_validate(
+/*==============*/
+				/* out: TRUE if ok */
+	mem_heap_t*   heap);	/* in: memory heap */
+/*********************************************************************
+Prints information of dynamic memory usage and currently live
+memory heaps or buffers. Can only be used in the debug version. */
+
+void
+mem_print_info(void);
+/*=================*/
+/*********************************************************************
+Prints information of dynamic memory usage and currently allocated memory
+heaps or buffers since the last ..._print_info or..._print_new_info. */
+
+void
+mem_print_new_info(void);
+/*====================*/
+/*********************************************************************
+TRUE if no memory is currently allocated. */
+
+ibool
+mem_all_freed(void);
+/*===============*/
+			/* out: TRUE if no heaps exist */
+/*********************************************************************
+Validates the dynamic memory */
+
+ibool
+mem_validate_no_assert(void);
+/*=========================*/
+			/* out: TRUE if error */
+/****************************************************************
+Validates the dynamic memory */
+
+ibool
+mem_validate(void);
+/*===============*/
+			/* out: TRUE if ok */