Return and Reason Codes

z/OS MVS Programming: Workload Management Services

Return and Reason Codes

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

Return and Reason Codes

When the IWMMCHST macro returns control to your program:

GPR 15 (and retcode, if you coded RETCODE) contains a return code.
When the value in GPR 15 is not zero, GPR 0 (and rsncode, if you coded RSNCODE) contains 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 111. Return and Reason Codes for the IWM4MCHS Macro
Return Code	Reason Code	Equate Symbol, Meaning, and Action
0	—	Equate Symbol: IwmRetCodeOk Meaning: Successful completion. Action: None required.
4	—	Equate Symbol: IwmRetCodeWarning Meaning: Successful completion, unusual conditions noted.
4	xxxx0402	Equate Symbol: IwmRsnCodeNoMonEnv Meaning: Input monitoring token indicates no monitoring environment was established. Action: None required.
8	—	Equate Symbol: IwmRetCodeInvocError Meaning: Invalid invocation environment or parameters.
8	xxxx0820	Equate Symbol: IwmRsnCodeBadMonEnv Meaning: Monitoring environment does not pass short form verification. Action: Check for possible storage overlay.

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