Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
TDRBK
Control Block Contents
TDRBK DSECT
Cross Reference (Contains links to field and bit definitions)
TDRBK Prolog
NAME : HCPTDRBK DESCRIPTION: TRACE SERVICE TOOL DIAGNOSE READ INFORMATION BLOCK DSECT : TDRBK FUNCTION : Contains data related for processing a Diag x'E0' LOCATED BY : VMDTDRBK CREATED BY : HCPTSD when processing a Diagnose x'E0' open request. DELETED BY : HCPTSD when processing a Diagnose x'E0' close request. HCPTSDDF when user is logging off. EMPLOYED BY HCPTSD when processing a Diagnose X'E0' for open, read or close requests. REFERENCES : None COMMENTS : None
TDRBK Control Block Content
TDRBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure TDRBK TRACE SERVICE TOOL DIAGNOSE READ 0000 0 Address 4 TDRNEXTP Pointer to next TDR block. If 0 then end of chain has been reached. 0004 4 Address 4 TDRBACKP Pointer to previous TDR block. 0008 8 Address 4 TDRSDFBK Pointer to SDF block. 000C 12 Bitstring 1 TDR$END (0) Defines end of control block
TDRBK Storage Layout
*** TDRBK - TRACE SERVICE TOOL DIAGNOSE READ * * +---------------------------+---------------------------+ * 0 | TDRNEXTP | TDRBACKP | * +---------------------------+---------------------------+ * 8 | TDRSDFBK | * +---------------------------+ * *** TDRBK - TRACE SERVICE TOOL DIAGNOSE READ
TDRBK Cross Reference
Symbol Dspl Value -------------- ---- ----- TDR$END 000C TDRBACKP 0004 TDRNEXTP 0000 TDRSDFBK 0008
Copyright IBM Corporation, 1990, 2001