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Exit-specific parameters
UEPFAREQ
Address of a 1-byte field that indicates why the exit has been
called. Possible values are:
UEPFAIN
Initialization.
UEPFATU
Tidy-up.
UEPFATUT
Address of a 1-byte field that indicates the type of tidy-up required.
Possible values are:
UEPFANTU
Normal tidy-up.
UEPFAETU
Expired tidy-up.
UEPFANAM
Address of the bridge facility name.
UEPFATYP
Address of a 1-byte field that indicates the facility type. The value is
always:
UEPFABR
3270 bridge facility.
UEPFAUAA
Address of the bridge facility user area (TCTUA).
UEPFAUAL
Address of a one-byte field containing the length of the bridge
facility user area.
UEPFATK
Address of the 8–byte facilitytoken.
UEPFAMCH
Address of a 1-byte field that indicates the mechanism used to start
the bridged transaction using this bridge facility. Possible values
are:
UEPFASTA
Started using START BREXIT.
UEPFALNK
Started using a link to DFHL3270.
UEPFAREG
Address of a 1-byte field that indicates whether the region owns the
bridge facility, or whether it is remote. A bridge facility is owned by
the AOR, where it is local, and is remote to the router region. Note
that XFAINTU can be called twice in the same region if the AOR
and the router are the same region. Possible values are:
UEPFAROU
This region is the router for this bridge facility.
UEPFAAOR
This region is the AOR for this bridge facility.
Chapter 1. Global user exit programs 39