Implementation of AR/CTL

AR/CTL offers streamlined methods for obtaining AR/CTL services in many application programs. These streamlined methods require no application program changes, no recompiling or relinking of application programs, and no JCL changes. For many application programs, implementation of AR/CTL is as easy as this:
  1. Configure AR/CTL and the supporting AR/CTL, BMCP, and BCSS components in your environment. The AR/CTL Installation System tailors JCL to perform almost all configuration tasks from the information you provide through an ISPF dialog.
  2. Create the required records in the REGISET. Global records of most required record types are created during AR/CTL configuration. You must manually create only one type of record--the program registration record. Creating REGISET records is easy to do with the ISPF interface, and you can use wildcard characters to reduce the number of records created.

    To obtain checkpoint/restart services, most COBOL application programs can use the Automatic Restart and Automatic Checkpoints processing options of AR/CTL. You can set these options externally to application programs through the processing options record in the REGISET.

    To obtain most data services, no action is necessary. To obtain cursor repositioning services, you create cursor repositioning records in the REGISET.

  3. Execute application programs with AR/CTL. If a failure occurs during job step execution, correct the problem that caused the failure and resubmit the job step.

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