Data areas of the COBOL exit program's working-storage are supplied with relevant information by the CA JCLCheck interface module, just prior to the COBOL exit receiving control.
These data areas correspond to the CA JCLCheck control blocks and you can categorize them as follows:
Information.
Statement information, defined by copybook (JCLCJOB).
Statement information (JCLCEXEC).
Statement information (JCLCDD).
Information (JCLCDS).
Information
The information supplied to an exit depends on the exit point itself.
Receives GLOBAL information reflecting status or other characteristics associated with the current statement and job stream being CA JCLCheck is currently processing.
The JOB statement information reflecting data and characteristics of the JOB statement CA JCLCheck is currently validating is supplied in the Working-Storage section of the COBOL program.
Supplies similar information associated with the current EXEC statement. This exit point leaves the JOB statement information as is.
Provides the information pertaining to the current DD statement, including associated DATASET information (if any). CA JCLCheck does not modify either the JOB statement or the EXEC statement information prior to this exit. If the current DD statement has no associated data set, CA JCLCheck does not change the DATA SET information from the prior call.
CA JCLCheck does not change any of the statement-specific information (JOB, EXEC, DD and DATA SET information). The data available to the COBOL program at these points reflects the information associated with the last such statement of each corresponding type.
CA JCLCheck does not change any of the statement-specific information (similar to JCLCHECK-STEPEXIT and JCLCHECK-EOJEXIT). Instead, special information describing the error just detected and the message information to be generated is made available for user exit analysis.
Other information, such as characteristics or parameter values associated with previous statements of the job stream, may be obtained by issuing I/O requests to the CA JCLCheck interface module.
A complete description of the data areas can be found in the COBOL source code itself. Data areas are structured into the previously mentioned categories and the fields are defined with associated descriptive prefixes. Throughout the data descriptions, statement characteristics are defined using condition-names (88-level items).
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