TZABK | Back to Index page

| Prolog Control Block Contents TZABK 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.

TZABK Prolog | Top of page

     NAME       : HCPTZABK
     DESCRIPTION: Time Zone Anchor Block
     DSECT      : TZABK
     FUNCTION   : This DSECT maps the pointers to other control
                  blocks for Time Zone control.
     LOCATED BY : PFXSYS -> SYSCM
                  SYSZANCR -> TZABK  (Time Zone Anchor Block)
     CREATED BY : HCPZIN
     DELETED BY : None

TZABK Control Block Content | Top of page

     TZABK DSECT
    Top of page

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      TZABK          Time Zone Anchor Block
    0000    0 Address      4 TZATZD         A( Time Zone Definition chain )
    0004    4 Address      4 TZATZI         A( Time Zone Intervals chain )
    0008    8 Address      4 TZACURNT       A( Current TZIBK )
    000C   12 Address      4 TZATRQ         A( Midnight TRQBK )
              00000010       TZABKSZ        *-TZABK Length in bytes
              00000002       TZABKSZD       (*-TZABK+7)/8 Length in Double
                                            words

TZABK Storage Layout | Top of page

    *** TZABK - Time Zone Anchor Block
    *
    *     +---------------------------+---------------------------+
    *   0 |          TZATZD           |          TZATZI           |
    *     +---------------------------+---------------------------+
    *   8 |         TZACURNT          |          TZATRQ           |
    *     +---------------------------+---------------------------+
    *  10
    *
    *** TZABK - Time Zone Anchor Block

TZABK Cross Reference | Top of page

    Symbol         Dspl Value
    -------------- ---- -----
    TZABKSZ        000C 00000010
    TZABKSZD       000C 00000002
    TZACURNT       0008
    TZATRQ         000C
    TZATZD         0000
    TZATZI         0004

This information is based on z/VM 7.2.0 Last updated on 24 Jun 2020 at 09:31:25 EDT.
Copyright IBM Corporation, 1990, 2020