lockdefs.h File Reference

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Data Structures
struct	xl_standby_lock

Macros
#define	NoLock   0
#define	AccessShareLock   1 /* SELECT */
#define	RowShareLock   2 /* SELECT FOR UPDATE/FOR SHARE */
#define	RowExclusiveLock   3 /* INSERT, UPDATE, DELETE */
#define	ShareUpdateExclusiveLock
#define	ShareLock   5 /* CREATE INDEX (WITHOUT CONCURRENTLY) */
#define	ShareRowExclusiveLock
#define	ExclusiveLock   7 /* blocks ROW SHARE/SELECT...FOR UPDATE */
#define	AccessExclusiveLock
#define	MaxLockMode   8 /* highest standard lock mode */
#define	InplaceUpdateTupleLock   ExclusiveLock

Typedefs
typedef int	LOCKMASK
typedef int	LOCKMODE
typedef struct xl_standby_lock	xl_standby_lock

Macro Definition Documentation

AccessExclusiveLock

#define AccessExclusiveLock

Value:

                                     8  /* ALTER TABLE, DROP TABLE, VACUUM FULL,
                                     * and unqualified LOCK TABLE */

Definition at line 43 of file lockdefs.h.

AccessShareLock

#define AccessShareLock   1 /* SELECT */

Definition at line 36 of file lockdefs.h.

ExclusiveLock

#define ExclusiveLock   7 /* blocks ROW SHARE/SELECT...FOR UPDATE */

Definition at line 42 of file lockdefs.h.

InplaceUpdateTupleLock

#define InplaceUpdateTupleLock   ExclusiveLock

Definition at line 48 of file lockdefs.h.

MaxLockMode

#define MaxLockMode   8 /* highest standard lock mode */

Definition at line 45 of file lockdefs.h.

NoLock

#define NoLock   0

Definition at line 34 of file lockdefs.h.

RowExclusiveLock

#define RowExclusiveLock   3 /* INSERT, UPDATE, DELETE */

Definition at line 38 of file lockdefs.h.

RowShareLock

#define RowShareLock   2 /* SELECT FOR UPDATE/FOR SHARE */

Definition at line 37 of file lockdefs.h.

ShareLock

#define ShareLock   5 /* CREATE INDEX (WITHOUT CONCURRENTLY) */

Definition at line 40 of file lockdefs.h.

ShareRowExclusiveLock

#define ShareRowExclusiveLock

Value:

                                     6  /* like EXCLUSIVE MODE, but allows ROW
                                     * SHARE */

Definition at line 41 of file lockdefs.h.

ShareUpdateExclusiveLock

#define ShareUpdateExclusiveLock

Value:

                                     4  /* VACUUM (non-FULL), ANALYZE, CREATE
                                     * INDEX CONCURRENTLY */

Definition at line 39 of file lockdefs.h.

Typedef Documentation

LOCKMASK

typedef int LOCKMASK

Definition at line 25 of file lockdefs.h.

LOCKMODE

typedef int LOCKMODE

Definition at line 26 of file lockdefs.h.

xl_standby_lock

typedef struct xl_standby_lock xl_standby_lock