Поддержка блокировок

Each function listed below returns information about lock status or acquires or releases a lock at the table or record level.

DbiAcqPersistTableLock:

Acquires an exclusive persistent lock on the table preventing other users from using the table

or creating a table of the same name.

DbiAcqTableLock:

Acquires a table-level lock on the table associated with the given cursor.

DbiGetRecord:

Record positioning functions have a lock parameter.

DbiIsRecordLocked:

Checks the lock status of the current record.

DbiIsTableLocked:

Returns the number of locks of a specified type acquired on the table associated with the

given session.

DbiIsTableShared:

Determines whether the table is physically shared or not.

DbiOpenLockList:

Creates an in-memory table containing a list of locks acquired on the table.

DbiOpenUserList:

Creates an in-memory table containing a list of users sharing the same network file.

DbiRelPersistTableLock:

Releases the persistent table lock on the specified table.

DbiRelRecordLock:

Releases the record lock on either the current record of the cursor or only the locks acquired

in the current session.

DbiRelTableLock:

Releases table locks of the specified type associated with the current session (the session in

which the cursor was created).

DbiSetLockRetry:

Sets the table and record lock retry time for the current session.

Взято с Delphi Knowledge Base: https://www.baltsoft.com/