fut0lst.ic File Reference

#include "fut0fut.h"
#include "mtr0log.h"
#include "buf0buf.h"

Include dependency graph for fut0lst.ic:

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Macros
#define	FLST_PREV
#define	FLST_NEXT
#define	FLST_LEN   0 /* 32-bit list length field */
#define	FLST_FIRST
#define	FLST_LAST

Functions
UNIV_INLINE void	flst_write_addr (fil_faddr_t *faddr, fil_addr_t addr, mtr_t *mtr)
UNIV_INLINE fil_addr_t	flst_read_addr (const fil_faddr_t *faddr, mtr_t *mtr)
UNIV_INLINE void	flst_init (flst_base_node_t *base, mtr_t *mtr)
UNIV_INLINE ulint	flst_get_len (const flst_base_node_t *base, mtr_t *mtr)
UNIV_INLINE fil_addr_t	flst_get_first (const flst_base_node_t *base, mtr_t *mtr)
UNIV_INLINE fil_addr_t	flst_get_last (const flst_base_node_t *base, mtr_t *mtr)
UNIV_INLINE fil_addr_t	flst_get_next_addr (const flst_node_t *node, mtr_t *mtr)
UNIV_INLINE fil_addr_t	flst_get_prev_addr (const flst_node_t *node, mtr_t *mtr)

Detailed Description

File-based list utilities

Created 11/28/1995 Heikki Tuuri

Macro Definition Documentation

#define FLST_FIRST

Value:

4       /* 6-byte address of the first element
                                of the list; undefined if empty list */

#define FLST_LAST

Value:

(4 + FIL_ADDR_SIZE) /* 6-byte address of the
                                last element of the list; undefined
                                if empty list */

#define FLST_NEXT

Value:

FIL_ADDR_SIZE   /* 6-byte address of the next
                                list element; the page part of address
                                is FIL_NULL, if no next element */

#define FLST_PREV

Value:

0       /* 6-byte address of the previous list element;
                                the page part of address is FIL_NULL, if no
                                previous element */

Function Documentation

UNIV_INLINE fil_addr_t flst_get_first	(	const flst_base_node_t *	base,
		mtr_t *	mtr
	)

Gets list first node address.

Returns

file address

Parameters

base	in: pointer to base node
mtr	in: mini-transaction handle

UNIV_INLINE fil_addr_t flst_get_last	(	const flst_base_node_t *	base,
		mtr_t *	mtr
	)

Gets list last node address.

Returns

file address

Parameters

base	in: pointer to base node
mtr	in: mini-transaction handle

UNIV_INLINE ulint flst_get_len	(	const flst_base_node_t *	base,
		mtr_t *	mtr
	)

Gets list length.

Returns

length

Parameters

base	in: pointer to base node
mtr	in: mini-transaction handle

UNIV_INLINE fil_addr_t flst_get_next_addr	(	const flst_node_t *	node,
		mtr_t *	mtr
	)

Gets list next node address.

Returns

file address

Parameters

node	in: pointer to node
mtr	in: mini-transaction handle

UNIV_INLINE fil_addr_t flst_get_prev_addr	(	const flst_node_t *	node,
		mtr_t *	mtr
	)

Gets list prev node address.

Returns

file address

Parameters

node	in: pointer to node
mtr	in: mini-transaction handle

UNIV_INLINE void flst_init	(	flst_base_node_t *	base,
		mtr_t *	mtr
	)

Initializes a list base node.

Parameters

base	in: pointer to base node
mtr	in: mini-transaction handle

UNIV_INLINE fil_addr_t flst_read_addr	(	const fil_faddr_t *	faddr,
		mtr_t *	mtr
	)

Reads a file address.

Returns

file address

Parameters

faddr	in: pointer to file faddress
mtr	in: mini-transaction handle

UNIV_INLINE void flst_write_addr	(	fil_faddr_t *	faddr,
		fil_addr_t	addr,
		mtr_t *	mtr
	)

Writes a file address.

Parameters

faddr	in: pointer to file faddress
addr	in: file address
mtr	in: mini-transaction handle