Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
TDHBK
Control Block Contents
TDHBK DSECT
Cross Reference (Contains links to field and bit definitions)
TDHBK Prolog
NAME : HCPTDHBK DESCRIPTION: TRACE SERVICE TOOL DIAGNOSE READ HEADER BLOCK DSECT : TDHBK FUNCTION : CONTAINS HEADER INFORMATION FOR DATA RELATED TO PROCESSING A DIAG X'E0'. LOCATED BY : VMDTDHBK CREATED BY : HCPTSD when processing a Diagnose x'E0' open request. DELETED BY : HCPTSD when processing a Diagnose x'E0' close request. HCPTSGDF when user is logging off. EMPLOYED BY HCPTSD when processing a Diagnose x'E0' for open, read or close requests. REFERENCES : None COMMENTS : None
TDHBK Control Block Content
TDHBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure TDHBK TRACE SERVICE TOOL DIAGNOSE READ HEADER BLOCK 0000 0 Character 24 TDHLCK TDR chain lock 0018 24 Address 4 TDHTDRBK TDR chain anchor 001C 28 Bitstring 1 TDH$END (0) Defines end of control blk
TDHBK Storage Layout
*** TDHBK - TRACE SERVICE TOOL DIAGNOSE READ HEADER BLOCK * * +-------------------------------------------------------+ * 0 | | * = TDHLCK = * | | * +---------------------------+---------------------------+ * 18 | TDHTDRBK | * +---------------------------+ * *** TDHBK - TRACE SERVICE TOOL DIAGNOSE READ HEADER BLOCK
TDHBK Cross Reference
Symbol Dspl Value -------------- ---- ----- TDH$END 001C TDHLCK 0000 TDHTDRBK 0018
Copyright IBM Corporation, 1990, 2001