TPCANCEL() - cancel a communication handle for an outstanding reply
CALL "TPCANCEL" USING TPSVCDEF-REC TPSTATUS-REC.
TPCANCEL() cancels a communication handle, COMM-HANDLE IN TPSVCDEF-REC, returned by TPACALL(). It is an error to attempt to cancel a communication handle associated with a transaction.
Upon success, COMM-HANDLE is no longer valid and any reply received on behalf of COMM-HANDLE will be silently discarded.
Upon successful completion, TPCANCEL()( sets TP-STATUS to [TPOK].
Under the following conditions, TPCANCEL() fails and sets TP-STATUS to:
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