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Programming Interface Information:
This information is NOT
intended to be
used as Programming Interfaces of VM/ESA. It is to be used for diagnosis only. |
WIDBK
Cross Reference (Contains links to field and bit definitions)
WIDBK Prolog
Name : HCPWIDBK
Description: Work Indirect Data address BlocK
STATUS : VM/ESA Version 2, Release 2.0
DSECT : WIDBK
Function :
This block is used to contain a list of indirect
address words (IDAW) and counts that identifies
discontinuous storage buffers to IUCV
Located by :
WEIWIDBK - Address of buffer list WIDBK
(located in WEIBK)
WEIWIDSN - Send list WIDBK copy address
(located in WEIBK)
WEIWIDAN - Answer list WIDBK copy address
(located in WEIBK)
Created by :
HCPBOYGO - Logo WEIBK builder
HCPVCERI - SNA Full-Screen Read Interface Routine
HCPVCMIX - IUCV SEND issuer
HCPVCYSM - SNA Full-Screen and DIAL Simulator
Deleted by :
HCPVCERI - SNA Full-Screen Read Interface Routine
HCPVCFRD - SNA Full-Screen Read Initiator
HCPVCGWT - SNA Full-Screen Write Initiator
HCPVCMIN - SNABK input chain control block releaser
HCPVCMIX - IUCV SEND issuer
HCPVCMUT - SNABK output chain control block releaser
HCPVCXCU - Unchain an eligible VSM logo WEIBK
HCPVCYSM - SNA Full-Screen and DIAL Simulator
Serialized :
None
Since this block is only accessed thru a WEIBK, access
to this block's data must be serialized thru the
owning WEIBK's serialization.
WIDBK Control Block Content
WIDBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure WIDBK Work Indirect Data address BlocK 0000 0 Dbl-Word 8 WIDHDR1 (0) WIDBK header 0000 0 Signed 4 WIDWEBA1 WEBBK address 0004 4 Signed 4 WIDWEBL1 WEBBK length 00000008 WIDHDRSZ *-WIDHDR1 WIDBK header length 0008 8 Dbl-Word 8 WIDELMT (0) First IDA element 0008 8 Signed 4 WIDADDR Address of IDA buffer 000C 12 Signed 4 WIDCOUNT Byte count of IDA buffer 00000008 WIDELMSZ *-WIDELMT IDA element length
WIDBK Storage Layout
*** WIDBK - Work Indirect Data address BlocK * * +---------------------------+---------------------------+ * 0 | WIDWEBA1 | WIDWEBL1 | * +---------------------------+---------------------------+ * 8 | WIDADDR | WIDCOUNT | * +---------------------------+---------------------------+ * 10 * *** WIDBK - Work Indirect Data address BlocK
WIDBK Cross Reference
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----WIDADDR 0008
WIDCOUNT 000C
WIDELMSZ 000C 00000008
WIDELMT 0008
WIDHDRSZ 0004 00000008
WIDHDR1 0000
WIDWEBA1 0000
WIDWEBL1 0004
Last updated on 3 Aug 1999 at 13:48:58 EDT.
Copyright IBM Corporation, 1990, 1999