The info structure stored at the beginning of a heap block. More...

#include <mem0mem.h>

Public Attributes
uint64_t	magic_n

char	file_name [16]

ulint	line
	line number where the mem heap was created More...

	base

	list

ulint	len
	physical length of this block in bytes More...

ulint	total_size
	physical length in bytes of all blocks in the heap. More...

ulint	type
	type of heap: MEM_HEAP_DYNAMIC, or MEM_HEAP_BUF possibly ORed to MEM_HEAP_BTR_SEARCH More...

ulint	free
	offset in bytes of the first free position for user data in the block More...

ulint	start
	the value of the struct field 'free' at the creation of the block More...

void *	free_block

void *	buf_block

Detailed Description

The info structure stored at the beginning of a heap block.

Member Data Documentation

◆ base

mem_block_info_t::base

◆ buf_block

void* mem_block_info_t::buf_block

◆ file_name

char mem_block_info_t::file_name[16]

◆ free

ulint mem_block_info_t::free

offset in bytes of the first free position for user data in the block

◆ free_block

void* mem_block_info_t::free_block

◆ len

ulint mem_block_info_t::len

physical length of this block in bytes

◆ line

ulint mem_block_info_t::line

line number where the mem heap was created

◆ list

mem_block_info_t::list

◆ magic_n

uint64_t mem_block_info_t::magic_n

◆ start

ulint mem_block_info_t::start

the value of the struct field 'free' at the creation of the block

◆ total_size

ulint mem_block_info_t::total_size

physical length in bytes of all blocks in the heap.

This is defined only in the base node and is set to ULINT_UNDEFINED in others.

◆ type

ulint mem_block_info_t::type

type of heap: MEM_HEAP_DYNAMIC, or MEM_HEAP_BUF possibly ORed to MEM_HEAP_BTR_SEARCH

The documentation for this struct was generated from the following file:

storage/innobase/include/mem0mem.h

Public Attributes