UIDBK | Back to Index page

| Prolog Control Block Contents UIDBK DSECT Storage Layout Cross Reference (Contains links to field and bit definitions) |
Programming Interface Information: This information is NOT intended to be used as Programming Interfaces of z/VM.

UIDBK Prolog | Top of page

     NAME       : HCPUIDBK
     DESCRIPTION: Monitor Userid Control Block
     DSECT      : UIDBK
     FUNCTION   : Used by Monitor to identify a userid that has been
                  specified for monitoring or for exclusion from
                  monitoring.
     LOCATED BY : MND_ID_LNPTR mapped over MNDS_USR_AREA
                  MND_ID_LNPTR mapped over MNDE_USR_AREA
                  MND_ID_LNPTR mapped over MNDE_SCH_AREA
                  MND_ID_LNPTR mapped over MNDE_APL_AREA
                  MND_ID_LNPTR mapped over MNDS_APL_AREA
                  MND_ID_LFPTR mapped over MNDS_USR_AREA
                  MND_ID_LFPTR mapped over MNDE_USR_AREA
                  MND_ID_LFPTR mapped over MNDE_SCH_AREA
                  MND_ID_LFPTR mapped over MNDE_APL_AREA
                  MND_ID_LFPTR mapped over MNDS_APL_AREA
     CREATED BY : HCPMNBAU - Add a userid block for Monitor
     DELETED BY : HCPMNBRU - Remove a userid block from Monitor's list
     REFERENCES : none
     SERIALIZED : N/A
     RELOCATION CONSIDERATIONS : None
     COMPATIBILITY AND MIGRATION CONCERNS : none

UIDBK Control Block Content | Top of page

     UIDBK DSECT
    Top of page

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      UIDBK          Monitor Userid Control Block
    0000    0 Address      4 UIDNEXT        Next UIDBK address
    0004    4 Address      4 UIDPREV        Previous UIDBK address
    0008    8 Bitstring   12 UIDINFO (0)    User information
    0008    8 Character    8 UIDID          User identifier
    0010   16 Address      4 UIDVMDAD       VMDBK address (X'FFFFFFFF' if not
                                            logged on)
              00000014       UID$END        *
              00000003       UIDSIZE        (UID$END-UIDBK+7)/8 UIDBK size in
                                            doublewords

UIDBK Storage Layout | Top of page

    *** UIDBK - Monitor Userid Control Block
    *
    *     +---------------------------+---------------------------+
    *   0 |         UIDNEXT           |         UIDPREV           |
    *     +---------------------------+---------------------------+
    *   8 |                        UIDID                          |
    *     +---------------------------+---------------------------+
    *  10 |         UIDVMDAD          | 14
    *     +---------------------------+
    *
    *** UIDBK - Monitor Userid Control Block

UIDBK Cross Reference | Top of page

    Symbol         Dspl Value
    -------------- ---- -----
    UID$END        0010 00000014
    UIDID          0008
    UIDINFO        0008
    UIDNEXT        0000
    UIDPREV        0004
    UIDSIZE        0010 00000003
    UIDVMDAD       0010

This information is based on z/VM 7.2.0 Last updated on 24 Jun 2020 at 09:31:30 EDT.
Copyright IBM Corporation, 1990, 2020