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“good morning” message transaction is initiated (the transaction specified by the
system initialization parameter GMTRAN).
The flags are:
TWAOAS (X'80')
Abandon any SEND for this terminal
TWAOAR (X'40')
Abandon any RECEIVE for this terminal
TWAOAT (X'20')
Abend any task attached to TCTTE
TWAOCT (X'10')
Cancel any task attached to TCTTE
TWAOGMM (X'08')
“good morning” message to be sent
TWAOPBP (X'04')
Purge any BMS pages for this session
TWAOASM (X'02')
SIMLOGON required.
Note:
1. If a definite response SEND has been performed, CICS has to issue
a RECEIVE in order to obtain the response. If the response is
negative, DFHZNAC is entered and sets flags TWAOAS (abandon
the SEND) and TWAOAR (abandon the RECEIVE). TWAOAR must
be left on to ensure that the RECEIVE for the response is
abandoned.
2. If the request is to be retried, and the break connection action flag is
off (that is, if TWAOCN in TWAOPT3 is off), then one or more of
TWAOAS, TWAOAR, and TWAONEGR must be off as well as
TWAOAT.
3. The abend code returned as a result of setting TWAOCT is
unpredictable.
4. TWAOGMM forces TWAOAT only if set on by the node error
program.
5. TWAOPBP forces TWAOAT to be set on.
6. For non-pipeline terminals, TWAOAT acts as a cancel request
(TWAOCT) if the task has not yet been dispatched for the first time.
TWAOPT3
User option byte 3. TWAOPT3 contains flags which are node-related.
The flags are:
TWAOINT (X'80')
Internally generated logons (INTLOGs) allowed
TWAONINT (X'40')
No internally-generated logons allowed. Do not set this flag when
processing error codeX'49' (TCZCLSIN)
2. Do not set this flag when processing error code X'49' (TCZCLSIN).
Chapter 9. Writing a node error program
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