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 IWM4MSWC 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. IBM support personnel may request the entire reason code, including the xxxx value.

Table 84. Return and Reason Codes for the IWM4MSWC Macro
Return CodeReason CodeMeaning and Action
0—IwmRetCodeOk: Successful completion.
4—IwmRetCodeWarning: Successful completion, unusual conditions noted. Hex Reason Meaning
Code
xxxx0402
IwmRsncodeNoMonEnv: Input monitoring token indicates no monitoring environment was established.
xxxx0407
IwmRsncodeReturnCont: Switch Return was from a monitoring environment with an outstanding continuation.
8—IwmRetCodeInvocError: Invalid invocation environment or parameters Hex Reason Meaning
Code
xxxx081C
IwmRsnCodeContExists: Outstanding continuation exists.
xxxx0820
IwmRsnCodeBadMonEnv: Monitoring environment does not pass short form verification.
10—IwmRetCodeCompError: Component Error

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