To end a conversation between two logical units normally, specify OPTNS=LAST on a write request. CA IDMS/DC notifies the remote system, frees the session to make it available for other conversations, and, for LU6.2 conversations, performs a signoff for the remote LU.
The request to terminate a conversation can be made with or without data (OUTLEN=0).
You can request confirmation of the termination request by specifying OPTNS=(LAST,CONFIRM) on a #TREQ WRITE or PUT request. CA IDMS/DC notifies the remote system and will wait to free the session and perform the signoff until a positive confirmation is received.
If your task ends or abends before the conversation terminates normally, CA IDMS/DC performs the ABEND operation.
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