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Distributed control method and apparatus for job execution
| Details |
Inventors: Miyazawa, Hiroshi;
Assignee: NEC Corporation (Tokyo, JP)
Primary Examiner: Heckler; Thomas M.
Assistant Examiner: Butler; Dennis M.
Attorney, Agent or Firm: Young & Thompson
A system distributed control managing section 2, at the time of starting the execution of a job 12, generates a job control distributed managing section 3-1, and allocates a number of processes to it. A job control statement managing section 5, in advance of executing a program in the job 12, manages the processing to distribute a plurality of job control statements 12 into a plurality of processes for analysis and execution in parallel. A resource securement managing section 6, in advance of executing a program to be actuated by a program control statement 14, manages the processing to distribute a required plurality of program-used resources 15 into a plurality of processes for securing in parallel. A resource release managing section 7 manages the processing to distribute a plurality of program-used resources 15 whose use has been completed into a plurality of processes for releasing in parallel. |
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DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS Next, an embodiment of the invention will be described in detail with reference to the drawings.
FIG.
1 illustrates parts of a preferred embodiment of the invention related to the implementation of a distributed control method in the execution of jobs, i.
e.
a distributed control mechanism 1, a job control executing section 8, a job 12, program-used resources 15, a program executing section 16 and a system constant 17.
The distributed control mechanism 1, for executing the principal part of the distributed control in job execution, has a system distributed control managing section 2 for the management of distributed processing within the system, and job control distributed managing sections 3-1, 3-2 and 3-3 for the management of distributed processing within each job.
Each of the job control distributed managing sections 3-1 through 3-3, as illustrated within the job control distributed managing section 3-1 in FIG.
1, comprises a distributed control managing section 4, a job control statement managing section 5, a resource securement managing section 6 and a resource release managing section 7.
The job control executing section 8, which is to execute the processing of job control, comprises job control statement processing sections 9 managed by the job control statement managing section 5, a resource securement processing section 10 managed by the resource securement managing section 6, and a resource release processing section 11 managed by the resource release managing section 7.
The job 12, put into the computer system and converted into its internal form, consists of a plurality of job control statements 13 processed by the job control statement processing sections 9 in advance of program execution, and a program control statement 14.
Execution of the program described in the program control statement 14 is accomplished by the program executing section 16.
The program-used resources 15 are such resources used by the program as the main storage area, files and magnetic tape units
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Processing Data 
