z/OS MVS Programming: Workload Management Services
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Return and Reason Codes

z/OS MVS Programming: Workload Management Services
SC34-2663-00

Return and Reason Codes

When the IWM4MINI macro returns control to your program:

  • GPR 15 (and retcode, when you code RETCODE) contains a return code.
  • When the value in GPR 15 is not zero, GPR 0 (and rsncode, when you code RSNCODE) contains a reason code.

The following table identifies the hexadecimal return and reason codes and the equate symbol associated with each reason code. IBM support personnel may request the entire reason code, including the xxxx value.

Table 78. Return and Reason Codes for the IWM4MINI Macro
Return CodeReason CodeEquate Symbol
Meaning and Action
0—IwmRetCodeOk: Successful completion.
4—IwmRetCodeWarning: Successful completion, unusual conditions noted.
4xxxx0402Equate Symbol: IwmRsnCodeNoMonEnv

Meaning: Monitoring token indicates that no monitoring environment exists.

8—IwmRetCodeInvocError: Invalid invocation environment or parameters
8xxxx081EEquate Symbol: IwmRsnCodeBadLU62TknLen

Meaning: The length byte of the LU62 token has an invalid value. Only values 1-36 (decimal) are valid.

8xxxx0820Equate Symbol: IwmRsnCodeBadMonEnv:

Meaning: Monitoring environment does not pass short form verification.

8xxxx0894Equate Symbol: IwmRsnCodeInvalidEWLMCorr

Meaning: Passed correlator information (EWLM_PACORR or EWLM_PACTKN) does not pass validity checking, that means: the architected ARM correlator length field in the first two Bytes of the correlator (token) is either less than 4 ('0004'x) or gretater than 512 ('0200'x).

Action: Check the specification of the correlator information.

8xxxx0895Equate Symbol: IwmRsnCodeEWLMServNotEnabled

Meaning: Service is not enabled because the Monitoring Environment was not created with EWLM=YES (either on IWM4CON or IWM4MCRE).

Action: Specify the parameter EWLM_PACORR or EWLM_PACTKN only when the Monitoring Environment was created with EWLM=YES (either on IWM4CON or IWM4MCRE).

C—IwmRetCodeEnvError: Environmental error
Cxxxx0C07Equate Symbol: IwmRsnCodeNoArrTime:

Meaning: No arrival time was supplied to the service and STCK gave a non-zero condition code.

Cxxxx0C08Equate Symbol: IwmRsnCodeNoExTime:

Meaning: No execution start time was supplied to the service and STCK gave a non-zero condition code.

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