The SSI places one of the following decimal return codes in register
15. Examine the return code to determine whether the request was processed.
- Return Code (Decimal)
- Meaning
- SSRTOK (0)
- The JES Device Information services request completed. Check
the SSOBRETN field for function-specific return code.
- SSRTNSUP (4)
- The subsystem specified in the SSIBSSNM field does not support
the JES Device Information services function call.
- SSRTNTUP (8)
- The subsystem specified in the SSIBSSNM field exists but is
not active.
- SSRTNOSS (12)
- The subsystem specified in the SSIBSSNM field is not defined
to MVS™.
- SSRTDIST (16)
- The pointer to the SSOB control block or the SSIB control block
is not valid, or the function code specified in the SSOBFUNC field
is greater than the maximum number of functions supported by the subsystem
specified in the SSIBSSNM field.
- SSRTLERR (20)
- Either the SSIB control block or the SSOB control block has
incorrect lengths or formats.
- SSRTNSSI (24)
- The SSI has not been initialized.