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Using the VPO Application Programming Interfaces
Summary of VPO API Functions
Chapter 4 215
Functions of the Server Synchronization API
Functions to Modify and Update Configuration Data
Table 4-24 Overview of the Server Synchronization API Functions
Function Call Description
opc_inform_user() Informs all affected user interfaces
opcsync_inform_server() Synchronizes the server processes after
configuration changes
opcsync_inform_user() Informs all affected users of any changes to data
configuration
opctransaction_commit() Finishes the current transaction and commits all
transactions to the database
opctransaction_rollback() Rolls back changes to the current user transaction
opctransaction_start () Starts a user transaction