PURPOSE: To update a library used by a command without stopping the command during execution. ;CONSTITUTION: A library name registering means 1 in a library changing process 11 writes a library name on shared memory space 8. A library change notifying means 2 notifies the change of the library to an execution process 12. In the execution process 12, a library change communication receiving means 3 receives library change notification. A library name acquiring means 4 obtains the library to be changed from the shared memory space 8. A library mapping means 5 performs the mapping of the library on memory. An address solving means 6 updates an address holding table. A data area copying means 7 copies the value of a data area in the library before change on the data area after change.;COPYRIGHT: (C)1993,JPO&Japio
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