/*
 * Data structures defining the semantics of the standard lock methods.
 *
 * The conflict table defines the semantics of the various lock modes.
 */
static const LOCKMASK LockConflicts[] = {
	0,

	/* AccessShareLock */
	LOCKBIT_ON(AccessExclusiveLock),

	/* RowShareLock */
	LOCKBIT_ON(ExclusiveLock) | LOCKBIT_ON(AccessExclusiveLock),

	/* RowExclusiveLock */
	LOCKBIT_ON(ShareLock) | LOCKBIT_ON(ShareRowExclusiveLock) |
	LOCKBIT_ON(ExclusiveLock) | LOCKBIT_ON(AccessExclusiveLock),

	/* ShareUpdateExclusiveLock */
	LOCKBIT_ON(ShareUpdateExclusiveLock) |
	LOCKBIT_ON(ShareLock) | LOCKBIT_ON(ShareRowExclusiveLock) |
	LOCKBIT_ON(ExclusiveLock) | LOCKBIT_ON(AccessExclusiveLock),

	/* ShareLock */
	LOCKBIT_ON(RowExclusiveLock) | LOCKBIT_ON(ShareUpdateExclusiveLock) |
	LOCKBIT_ON(ShareRowExclusiveLock) |
	LOCKBIT_ON(ExclusiveLock) | LOCKBIT_ON(AccessExclusiveLock),

	/* ShareRowExclusiveLock */
	LOCKBIT_ON(RowExclusiveLock) | LOCKBIT_ON(ShareUpdateExclusiveLock) |
	LOCKBIT_ON(ShareLock) | LOCKBIT_ON(ShareRowExclusiveLock) |
	LOCKBIT_ON(ExclusiveLock) | LOCKBIT_ON(AccessExclusiveLock),

	/* ExclusiveLock */
	LOCKBIT_ON(RowShareLock) |
	LOCKBIT_ON(RowExclusiveLock) | LOCKBIT_ON(ShareUpdateExclusiveLock) |
	LOCKBIT_ON(ShareLock) | LOCKBIT_ON(ShareRowExclusiveLock) |
	LOCKBIT_ON(ExclusiveLock) | LOCKBIT_ON(AccessExclusiveLock),

	/* AccessExclusiveLock */
	LOCKBIT_ON(AccessShareLock) | LOCKBIT_ON(RowShareLock) |
	LOCKBIT_ON(RowExclusiveLock) | LOCKBIT_ON(ShareUpdateExclusiveLock) |
	LOCKBIT_ON(ShareLock) | LOCKBIT_ON(ShareRowExclusiveLock) |
	LOCKBIT_ON(ExclusiveLock) | LOCKBIT_ON(AccessExclusiveLock)

};