z/OS JES2 Initialization and Tuning Guide
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Controlling job execution through exits

z/OS JES2 Initialization and Tuning Guide
SA32-0991-00

You can alter the characteristics of a job through the following exits:
  • Exit 2 or 52 for JOB statement scan
  • Exit 20 or 50 for end-of-job-input processing
  • Exit 51 for end of phase processing
  • Exit 6 or Exit 60 for converter/interpreter text

SMF exit IEFUJV can also change the job's scheduling attributes.

When jobs are queue for execution, you can also use these JES2 exits to control the job selection:
  • Exit 14 for JES2 managed initiators only (do your own job selection)
  • Exit 49 for both JES2 and WLM managed initiators (accept or reject the selected job)

See z/OS JES2 Installation Exits for information about these exits.

Parent topic: Job selection and execution

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