CDBOVL Back to Index page
 
Prolog 
Control Block Contents 
   CDBOVL 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.


  CDBOVL Prolog Top of page
 
 NAME       : DMSCDB
 DESCRIPTION: COMDIR CONTROL BLOCK
 DSECT      : CDBOVL
 FUNCTION   : COMDIR Info Overlay
 
 
  CDBOVL Control Block Content Top of page
 

 CDBOVL DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure CDBOVL COMDIR CONTROL BLOCK 0000 0 Character 18 CDBFID filespec 0000 0 Character 8 CDBFN file name 0008 8 Character 8 CDBFT file type 0010 16 Character 2 CDBFM file mode 0012 18 Character 1 CDBFLG flag byte 0013 19 Character 1 * 0014 20 Address 4 CDBBLK ptr to NAMEFxxx SCBLOCK equates for mapping the flag bytes for CDBFLG,CDBSFLG,CDBUFLG 1... .... CDBSSTAT X'80' system comdir status .1.. .... CDBSMOD X'40' system model usage ..1. .... CDBSSPEC X'20' system file id specified ...1 .... CDBSLOAD X'10' system file id loaded 1... .... CDBUSTAT X'80' user comdir status .1.. .... CDBUMOD X'40' user model usage ..1. .... CDBUSPEC X'20' user file id specified ...1 .... CDBULOAD X'10' user file id loaded 1... .... CDBSTAT X'80' comdir on/off .1.. .... CDBMODEL X'40' model usage static-0 dynamic-1 ..1. .... CDBSPEC X'20' file id specified ...1 .... CDBLOAD X'10' file id loaded 1... .... CDBISTAT X'80' IBM-level COMDIR status .1.. .... CDBIMOD X'40' IBM-level model usage ..1. .... CDBISPEC X'20' IBM-level file id specified ...1 .... CDBILOAD X'10' IBM-level file id loaded
 
 
  CDBOVL Storage Layout Top of page
 
          
*** CDBOVL - COMDIR CONTROL BLOCK
*
*     +-------------------------------------------------------+
*   0 |                                                       |
*     =                        CDBFID                         =
*     |             +-----------------------------------------+
*     |             | 12
*     +-------------+
*
*** CDBOVL - COMDIR CONTROL BLOCK
          
*** Overlay for CDBFID in CDBOVL
*
*     +-------------------------------------------------------+
*   0 |                        CDBFN                          |
*     +-------------------------------------------------------+
*   8 |                        CDBFT                          |
*     +-------------+------+------+---------------------------+
*  10 |   CDBFM     |CDBFLG|//////|          CDBBLK           |
*     +-------------+------+------+---------------------------+
*  18
*
*** Overlay for CDBFID in CDBOVL
 
 
  CDBOVL Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
CDBBLK         0014
CDBFID         0000
CDBFLG         0012
CDBFM          0010
CDBFN          0000
CDBFT          0008
CDBILOAD       0014 10
CDBIMOD        0014 40
CDBISPEC       0014 20
CDBISTAT       0014 80
CDBLOAD        0014 10
CDBMODEL       0014 40
CDBSLOAD       0014 10
CDBSMOD        0014 40
CDBSPEC        0014 20
CDBSSPEC       0014 20
CDBSSTAT       0014 80
CDBSTAT        0014 80
CDBULOAD       0014 10
CDBUMOD        0014 40
CDBUSPEC       0014 20
CDBUSTAT       0014 80
 
This information is based on z/VM 7.2.0 Last updated on 24 Jun 2020 at 09:36:09 EDT.
Copyright IBM Corporation, 1990, 2020