SIABK - 32-bit CP - V4R4.0

Programming Interface Information: This information is NOT intended to be used as Programming Interfaces of z/VM.

#### SIABK

Prolog

Control Block Contents
SIABK DSECT

Storage Layout

Cross Reference (Contains links to field and bit definitions)

#### SIABK Prolog

     NAME       : HCPSIABK
     DESCRIPTION: Spool Id Allocation Map
     DSECT      : SIABK
     FUNCTION   : To determine which spool file ids have
                  been allocated
     LOCATED BY : N/A
     CREATED BY : HCPFIT
     DELETED BY : HCPFIT

#### SIABK Control Block Content

#### SIABK DSECT

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      SIABK          Spool Id Allocation Map
    0000    0 Dbl-Word     8 SIAMAP (157)   Entire allocation map
              0000009D       SIASIZE        (*-SIABK+7)/8 Size in double
                                            words
    0000    0 Dbl-Word     8 SIABMAP        One 64 bit map
    0008    8 Dbl-Word     8 SIANEXT (0)    Next 64 bit map

#### SIABK Storage Layout

    *** SIABK - Spool Id Allocation Map
    *
    *     +-------------------------------------------------------+
    *   0 |                                                       |
    *     =                        SIAMAP                         =
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 4E8
    *
    *** SIABK - Spool Id Allocation Map

    *** Overlay for SIAMAP in SIABK
    *
    *     +-------------------------------------------------------+
    *   0 |                       SIABMAP                         |
    *     +-------------------------------------------------------+
    *
    *** Overlay for SIAMAP in SIABK

#### SIABK Cross Reference

    Symbol         Dspl Value
    -------------- ---- -----
    SIABMAP        0000
    SIAMAP         0000
    SIANEXT        0008
    SIASIZE        0000 0000009D

This information is based on z/VM V4R4.0. Last updated on 29 Jul 2003 at 16:16:40 EDT.
Copyright IBM Corporation, 1990, 2003