|
Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM. |
CBIBK
Control Block Contents
CBIBK DSECT
Cross Reference (Contains links to field and bit definitions)
CBIBK Prolog
Name : HCPCBIBK
Description: Control Block Identifiers and Lengths
Mapping
DSECT : CBIBK
Function : Provides a map for a control block's
information in the HCPCBI table.
Located by : The location of HCPCBI and the offset into
HCPCBI provided by the HCPGETST and HCPRELST
macros
Created by : This block is never created. It is used to map
portions of the HCPCBI data area
Deleted by : Never deleted
Serialized : None (HCPCBI is only changed at
initialization)
CBIBK Control Block Content
CBIBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments
---- ---- --------- ---- -------------- --------
0000 0 Structure CBIBK Control Block Identifiers and
Lengths
0000 0 Character 4 CBID The block's identifier,
'<XXX'. Where 'XXX' is unique
to each block and the whole ID is
'<<<<' for undefined
blocks.
0004 4 Signed 4 CBIDSIZE The block's length in
doublewords. This field is 0 if
the block is a variable length or
undefined block.
0008 8 Signed 4 CBISUBBK Address of associated SUBBK
0000000C CBIBSIZE *-CBIBK Length of the CBIBK in
bytes
00000002 CBISIZE (*-CBIBK+7)/8 Length of the CBIBK
in doublewords
CBIBK Storage Layout
*** CBIBK - Control Block Identifiers and Lengths
*
* +---------------------------+---------------------------+
* 0 | CBID | CBIDSIZE |
* +---------------------------+---------------------------+
* 8 | CBISUBBK | C
* +---------------------------+
*
*** CBIBK - Control Block Identifiers and Lengths
CBIBK Cross Reference
Symbol Dspl Value -------------- ---- ----- CBIBSIZE 0008 0000000C CBID 0000 CBIDSIZE 0004 CBISIZE 0008 00000002 CBISUBBK 0008
Last updated on 6 Jun 2001 at 11:13:16 EDT.
Copyright IBM Corporation, 1990, 2001