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

SLTBK

Prolog  

Control Block Contents  
   SLTBK DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  


SLTBK Prolog

 NAME       : HCPSLTBK
 DESCRIPTION: Save-List Task BlocK.
 DSECT      : SLTBK
 FUNCTION   : The SLTBK is used to keep track of save-list
              operations.
 LOCATED BY :
 CREATED BY : HCPAMD44 - Created for a save-list function.
 DELETED BY : HCPAMD44 - At the completion of a save-list function
 SERIALIZED : By the task.
 COMMENTS   :

 

SLTBK Control Block Content


SLTBK DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      SLTBK          Save-List Task BlocK.
0000    0 Signed       4 SLTFWDPT       Forward pointer to the
0004    4 Signed       4 SLTCTENT       Count of entries contained in the
                                        SLDBK.
0008    8 Dbl-Word     8 SLTIASIT       Address-Space-Identification-
                                        Token (ASIT) for pages to be
                                        saved.(Internal)
0010   16 Bitstring    1 SLTYPEFG       SLDBK type flag.
          .... ...1      SLTBLOCK       1 Indicates that the SLDBK is
                                        block form.
0011   17 Bitstring    1 * (3)          Reserved for IBM use.
0014   20 Address      4 SLTSLDBK       Address of the SLDBK.
     The following are used to determine the size of the header for this
     control block.
          00000018       SLTLEN         *-SLTBK Length of the header in
                                        bytes.
          00000003       SLTSIZE        (SLTLEN+7)/8 Size of the header
                                        in doublewords.

 

SLTBK Storage Layout

          
*** SLTBK - Save-List Task BlocK.
*
*     +---------------------------+---------------------------+
*   0 |         SLTFWDPT          |         SLTCTENT          |
*     +---------------------------+---------------------------+
*   8 |                       SLTIASIT                        |
*     +------+--------------------+---------------------------+
*  10 |:YPEFG|////////////////////|         SLTSLDBK          |
*     +------+--------------------+---------------------------+
*  18
*
*** SLTBK - Save-List Task BlocK.

 

SLTBK Cross Reference

Symbol         Dspl Value
-------------- ---- -----
SLTBLOCK       0010 01
SLTCTENT       0004
SLTFWDPT       0000
SLTIASIT       0008
SLTLEN         0014 00000018
SLTSIZE        0014 00000003
SLTSLDBK       0014
SLTYPEFG       0010

This information is based on z/VM V4R1.0.
Last updated on 5 Jun 2001 at 16:39:24 EDT.
Copyright IBM Corporation, 1990, 2001