pg_control.h File Reference

#include "access/transam.h"
#include "access/xlogdefs.h"
#include "pgtime.h"
#include "port/pg_crc32c.h"

Include dependency graph for pg_control.h:

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Go to the source code of this file.

Data Structures
struct	CheckPoint
struct	ControlFileData

Macros
#define	PG_CONTROL_VERSION   1300
#define	MOCK_AUTH_NONCE_LEN   32
#define	XLOG_CHECKPOINT_SHUTDOWN   0x00
#define	XLOG_CHECKPOINT_ONLINE   0x10
#define	XLOG_NOOP   0x20
#define	XLOG_NEXTOID   0x30
#define	XLOG_SWITCH   0x40
#define	XLOG_BACKUP_END   0x50
#define	XLOG_PARAMETER_CHANGE   0x60
#define	XLOG_RESTORE_POINT   0x70
#define	XLOG_FPW_CHANGE   0x80
#define	XLOG_END_OF_RECOVERY   0x90
#define	XLOG_FPI_FOR_HINT   0xA0
#define	XLOG_FPI   0xB0
#define	XLOG_OVERWRITE_CONTRECORD   0xD0
#define	FLOATFORMAT_VALUE   1234567.0
#define	PG_CONTROL_MAX_SAFE_SIZE   512
#define	PG_CONTROL_FILE_SIZE   8192

Typedefs
typedef struct CheckPoint	CheckPoint
typedef enum DBState	DBState
typedef struct ControlFileData	ControlFileData

Enumerations
enum	DBState {   DB_STARTUP = 0 , DB_SHUTDOWNED , DB_SHUTDOWNED_IN_RECOVERY , DB_SHUTDOWNING ,   DB_IN_CRASH_RECOVERY , DB_IN_ARCHIVE_RECOVERY , DB_IN_PRODUCTION }

Functions
	StaticAssertDecl (sizeof(ControlFileData)<=PG_CONTROL_MAX_SAFE_SIZE, "pg_control is too large for atomic disk writes")
	StaticAssertDecl (sizeof(ControlFileData)<=PG_CONTROL_FILE_SIZE, "sizeof(ControlFileData) exceeds PG_CONTROL_FILE_SIZE")

Macro Definition Documentation

FLOATFORMAT_VALUE

#define FLOATFORMAT_VALUE   1234567.0

Definition at line 199 of file pg_control.h.

MOCK_AUTH_NONCE_LEN

#define MOCK_AUTH_NONCE_LEN   32

Definition at line 28 of file pg_control.h.

PG_CONTROL_FILE_SIZE

#define PG_CONTROL_FILE_SIZE   8192

Definition at line 248 of file pg_control.h.

PG_CONTROL_MAX_SAFE_SIZE

#define PG_CONTROL_MAX_SAFE_SIZE   512

Definition at line 239 of file pg_control.h.

PG_CONTROL_VERSION

#define PG_CONTROL_VERSION   1300

Definition at line 25 of file pg_control.h.

XLOG_BACKUP_END

#define XLOG_BACKUP_END   0x50

Definition at line 72 of file pg_control.h.

XLOG_CHECKPOINT_ONLINE

#define XLOG_CHECKPOINT_ONLINE   0x10

Definition at line 68 of file pg_control.h.

XLOG_CHECKPOINT_SHUTDOWN

#define XLOG_CHECKPOINT_SHUTDOWN   0x00

Definition at line 67 of file pg_control.h.

XLOG_END_OF_RECOVERY

#define XLOG_END_OF_RECOVERY   0x90

Definition at line 76 of file pg_control.h.

XLOG_FPI

#define XLOG_FPI   0xB0

Definition at line 78 of file pg_control.h.

XLOG_FPI_FOR_HINT

#define XLOG_FPI_FOR_HINT   0xA0

Definition at line 77 of file pg_control.h.

XLOG_FPW_CHANGE

#define XLOG_FPW_CHANGE   0x80

Definition at line 75 of file pg_control.h.

XLOG_NEXTOID

#define XLOG_NEXTOID   0x30

Definition at line 70 of file pg_control.h.

XLOG_NOOP

#define XLOG_NOOP   0x20

Definition at line 69 of file pg_control.h.

XLOG_OVERWRITE_CONTRECORD

#define XLOG_OVERWRITE_CONTRECORD   0xD0

Definition at line 80 of file pg_control.h.

XLOG_PARAMETER_CHANGE

#define XLOG_PARAMETER_CHANGE   0x60

Definition at line 73 of file pg_control.h.

XLOG_RESTORE_POINT

#define XLOG_RESTORE_POINT   0x70

Definition at line 74 of file pg_control.h.

XLOG_SWITCH

#define XLOG_SWITCH   0x40

Definition at line 71 of file pg_control.h.

Typedef Documentation

CheckPoint

typedef struct CheckPoint CheckPoint

ControlFileData

typedef struct ControlFileData ControlFileData

DBState

typedef enum DBState DBState

Enumeration Type Documentation

DBState

enum DBState

Enumerator
DB_STARTUP
DB_SHUTDOWNED
DB_SHUTDOWNED_IN_RECOVERY
DB_SHUTDOWNING
DB_IN_CRASH_RECOVERY
DB_IN_ARCHIVE_RECOVERY
DB_IN_PRODUCTION

Definition at line 87 of file pg_control.h.

{
    DB_STARTUP = 0,
    DB_SHUTDOWNED,
    DB_SHUTDOWNED_IN_RECOVERY,
    DB_SHUTDOWNING,
    DB_IN_CRASH_RECOVERY,
    DB_IN_ARCHIVE_RECOVERY,
    DB_IN_PRODUCTION
} DBState;

Function Documentation

StaticAssertDecl() [1/2]

StaticAssertDecl	(	sizeof(ControlFileData)<=	PG_CONTROL_FILE_SIZE,
		"sizeof(ControlFileData) exceeds PG_CONTROL_FILE_SIZE"
	)

StaticAssertDecl() [2/2]

StaticAssertDecl	(	sizeof(ControlFileData)<=	PG_CONTROL_MAX_SAFE_SIZE,
		"pg_control is too large for atomic disk writes"
	)