z/OS MVS Programming: Sysplex Services Reference
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Restrictions

z/OS MVS Programming: Sysplex Services Reference
SA38-0658-00

Start of change
  • Task mode callers cannot have an enabled, unlocked task (EUT) FRR set.
  • IXCNOTE cannot be used by tasks higher in the task tree than the cross memory resource owning task (the top, or first, job step task in the address space).
  • Address space and task resource managers are not permitted to issue IXCNOTE requests that process note pads or connections (REQUEST=NOTEPAD or REQUEST=CONNECTION).
    Note: XCF will automatically delete any connection associated with a terminated address space or task.
  • Callers running in SRB mode should refrain from invoking the IXCNOTE service under the following circumstances:
    • After the SRB receives a X'47B' abend
    • When running in a suspend exit after invoking SUSPEND

    In these cases, the IXCNOTE request can be rejected because the service routine will not be able to suspend the caller as needed (IXCNOTERSNBADSUSPENDENV).

  • All storage areas provided to the IXCNOTE service must be accessible via the PKM of the caller. In particular, this restriction applies to the input control parameters as well as storage areas identified by the keywords ANSAREA, BUFFER, CRITERIA, DESCRIPTION, and INFO.
Parent topic: Start of changeIXCNOTE — XCF Note Pad Interface End of change
End of change

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