Object locking: After save-while-active checkpoint processing

After completing checkpoint processing, an attempt to perform one of the following operations will result in a message stating that the library is in use:

In addition, the following object types have operations that are restricted after checkpoint processing is complete. An attempt to perform one of the operations that are listed below the following objects below will result in a message stating that the object is in use:

*FILE-PF (physical file)

*JRN (journal)

*JRNRCV (journal receiver)

*PRDLOD (product load)