DESCRIPTIVE NAME = Transient Data Input Area
CICS/ESA AP Domain
Licensed Materials - Property of IBM
Restricted Materials of IBM
5655-Y04
(C) Copyright IBM Corp. 1989, 2014
FUNCTION =
Copybook DFHTDIPS provides structure DFHTDIA.
DFHTDIA describes the format of Transient Data
Input Areas (TDIAs) as used by CICS, each TDIA
consists of a header, the description of which
follows, and application defined data.
LIFETIME =
TDIAs are allocated to hold data passed from
Transient Data for
EXEC CICS READQ TD QUEUE(...) SET(...)
TDIAs (if allocated) are freed, at latest, at
task termination.
No more than one TDIA is allocated to a task.
STORAGE CLASS =
TDIAs are allocated from either the USER24 or the
USER31 task subpool.
LOCATION =
The TDIA is addressed from TCZIDAA in the TCA.
INNER CONTROL BLOCKS =
There are no inner control blocks.
NOTES :
DEPENDENCIES =
S/370
RESTRICTIONS =
There are no restrictions.
MODULE TYPE =
Control block definition.
Table 1.
Offset Hex |
Type |
Len |
Name (Dim) |
Description |
(0) |
STRUCTURE |
* |
DFHTDIA |
Transient Data Input Area |
(0) |
CHARACTER |
16 |
TDIA_PREFIX |
- prefix |
(0) |
UNSIGNED |
2 |
TDIA_LENGTH |
- length |
(2) |
CHARACTER |
1 |
TDIA_ARROW |
- value - '>' |
(3) |
CHARACTER |
3 |
TDIA_DFH |
- value - 'DFH' |
(6) |
CHARACTER |
2 |
TDIA_DOMID |
- value - 'TD' |
(8) |
CHARACTER |
8 |
TDIA_BLOCK |
- value - 'TDIA ' |
(10) |
CHARACTER |
* |
TDIA_DATA |
- application data |