The user exit communications area contains two nodes:
The user exit communications area node
The message node
Table F-3 shows the structure of the user exit communications area.
Attribute |
Length (bytes) |
Valid values |
Description |
---|---|---|---|
APREPSW |
1 |
|
Indicates whether the transaction operation should be replicated. |
APFATAL |
1 |
|
Indicates whether LTM for MVS should issue a return code of 20 to Replication Extract. |
APFUTURE |
8 |
Not applicable |
Reserved for future use. |
APLOGMSG |
4 |
|
Points to a linked list of messages to be logged (see Table F-4: “Message node structure”). |
APWKAREA |
4000 |
Not applicable |
This is a static work area for your user exit application. When the user exit places data in this area, the data is retained across multiple calls to the user exit. |
Table F-4 shows the structure of the message nodes to which APLOGMSG can point.
Attribute |
Length (bytes) |
Description |
---|---|---|
APMSGNXT |
4 |
A pointer to the next message structure or null. |
APMSGTXT |
4 |
A pointer to a null-terminated message string. (The null terminator is x'00'.) |