z/OS MVS Programming: Writing Transaction Programs for APPC/MVS
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Conversation Characteristics ( )

z/OS MVS Programming: Writing Transaction Programs for APPC/MVS
SA23-1397-00

The following abbreviations are used for conversation characteristics:

Abbreviation Meaning
A deallocate_type is set to DEALLOCATE_ABEND
B send_type is set to BUFFER_DATA
C For a Deallocate call, C means one of the following:
  • deallocate_type is set to DEALLOCATE_CONFIRM
  • deallocate_type is set to DEALLOCATE_SYNC_LVL and sync_level is set to CONFIRM.
For a Prepare_To_Receive, C means one of the following:
  • prepare_to_receive_type is set to PREP_TO_RECEIVE_CONFIRM
  • prepare_to_receive_type is set to PREP_TO_RECEIVE_SYNC_LEVEL and sync_level is set to CONFIRM
For a Send_Data call, C means the following:
  • send_type is set to SEND_AND_CONFIRM
D send_type is set to SEND_AND_DEALLOCATE.
F For a Deallocate call, F means one of the following:
  • deallocate_type is set to DEALLOCATE_FLUSH
  • deallocate_type is set to DEALLOCATE_SYNC_LEVEL and sync_level is set to NONE.
For a Prepare_To_Receive call, F means one of the following:
  • prepare_to_receive_type is set to PREP_TO_RECEIVE_FLUSH
  • prepare_to_receive_type is set to PREP_TO_RECEIVE_SYNC_LEVEL and sync_level is set to NONE.
For a Send_Data call, F means the following:
  • send_type is set to SEND_AND_FLUSH
P send_type is set to SEND_AND_PREP_TO_RECEIVE
S For a Deallocate call, S means:
  • deallocate_type is set to DEALLOCATE_SYNC_LVL and sync_level is set to Syncpt.
For a Prepare_To_Receive call, S means:
  • prepare_to_receive_type is set to PREP_TO_RECEIVE_SYNC_LEVEL and sync_level is set to Syncpt.
* For a Send_Data call, * means the characteristics can be B, C, D, F, or P.

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