Programs maintenance procedures in parallel processing system

Details Programs maintenance procedures in parallel processing system Programs maintenance procedures in parallel processing system

1997-06-23

2000-06-13

Hafiz, Tariq R.

Data processing: database and file management or data structures

Database design

Data structure types

707 8, 707 9, 707203, 709213, 709217, G06F 9445, G06F 700

Patent

active

060759305

ABSTRACT:
A parallel processing system has a plurality of subsystems connected to each other to operate as a single system. The subsystems each include a variety of procedures that are selectively created, used, updated and deleted by a program in execution. A procedure management unit is capable of controlling state attributes of the procedures. In particular, the procedure management unit has a procedure-being-used table for cataloging the names of procedures currently being used by programs in execution and a procedure-being-updated table for cataloging the names of procedures currently being created or updated by programs in execution. Whether or not the name of a procedure is cataloged in the procedure being used table, a request to use the procedure is granted if the procedure name is not cataloged in the procedure being updated table. However, if the name of a procedure is cataloged in either one of the tables according to the procedure management unit, then requests to update, create and delete the procedures are denied. Conversely if it is determined that the name of a particular procedure is not cataloged in either of the procedure being used or the procedure being updated table in all of the subsystems, then requests for creating, updating and deleting the procedure are granted to programs in execution.

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patent: 5625815 (1997-04-01), Maier et al.
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