z/OS JES3 Customization
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Information Supplied on Exit

z/OS JES3 Customization
SA32-1006-00

The contents of the registers on exit should be:
R0-1
Irrelevant
R2-13
Same as on entry
R14
Return address
R15
Return code set by IATUX50:
  • 0
    BSIDMOD code value is not recognized as being user-defined or is determined to be incorrect by IATUX50.
    4
    BSIDMOD code value is recognized as user-defined.
    8
    Set by the IBM-provided dummy exit; IATBDCI disables IATUX50 for further invocations.
    Other
    Error message is written to operator. The exit will not be called again until the system is restarted.
Parent topic: CSECT Name: IATUX50 (JES3 Unknown BSID Modifier Exit)

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