mirror of
https://github.com/MariaDB/server.git
synced 2025-11-04 12:56:14 +01:00
82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
/* Copyright (C) 2006 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
|
|
|
|
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
|
|
|
|
/*
|
|
WL#3234 Maria control file
|
|
First version written by Guilhem Bichot on 2006-04-27.
|
|
*/
|
|
|
|
#ifndef _ma_control_file_h
|
|
#define _ma_control_file_h
|
|
|
|
C_MODE_START
|
|
|
|
#define CONTROL_FILE_BASE_NAME "aria_log_control"
|
|
/*
|
|
Major version for control file. Should only be changed when doing
|
|
big changes that made the new control file incompatible with all
|
|
older versions of Maria.
|
|
*/
|
|
#define CONTROL_FILE_VERSION 1
|
|
|
|
/* Here is the interface of this module */
|
|
|
|
/*
|
|
LSN of the last checkoint
|
|
(if last_checkpoint_lsn == LSN_IMPOSSIBLE then there was never a checkpoint)
|
|
*/
|
|
extern volatile LSN last_checkpoint_lsn;
|
|
/*
|
|
Last log number (if last_logno == FILENO_IMPOSSIBLE then there is no log
|
|
file yet)
|
|
*/
|
|
extern uint32 last_logno;
|
|
|
|
extern TrID max_trid_in_control_file, max_long_trid;
|
|
|
|
extern uint8 recovery_failures;
|
|
|
|
extern my_bool maria_multi_threaded, maria_in_recovery;
|
|
|
|
typedef enum enum_control_file_error {
|
|
CONTROL_FILE_OK= 0,
|
|
CONTROL_FILE_TOO_SMALL,
|
|
CONTROL_FILE_TOO_BIG,
|
|
CONTROL_FILE_BAD_MAGIC_STRING,
|
|
CONTROL_FILE_BAD_VERSION,
|
|
CONTROL_FILE_BAD_CHECKSUM,
|
|
CONTROL_FILE_BAD_HEAD_CHECKSUM,
|
|
CONTROL_FILE_MISSING,
|
|
CONTROL_FILE_INCONSISTENT_INFORMATION,
|
|
CONTROL_FILE_WRONG_BLOCKSIZE,
|
|
CONTROL_FILE_LOCKED,
|
|
CONTROL_FILE_UNKNOWN_ERROR /* any other error */
|
|
} CONTROL_FILE_ERROR;
|
|
|
|
|
|
CONTROL_FILE_ERROR ma_control_file_open(my_bool create_if_missing,
|
|
my_bool print_error,
|
|
my_bool wait_for_lock,
|
|
int open_flags);
|
|
int ma_control_file_write_and_force(LSN last_checkpoint_lsn_arg,
|
|
uint32 last_logno_arg, TrID max_trid_arg,
|
|
uint8 recovery_failures_arg);
|
|
/* For simple programs that creates Aria files*/
|
|
CONTROL_FILE_ERROR ma_control_file_open_or_create();
|
|
int ma_control_file_end(void);
|
|
my_bool ma_control_file_inited(void);
|
|
my_bool print_aria_log_control(void);
|
|
C_MODE_END
|
|
#endif
|