Get the oid of the index entry.
the stage (0, 1 or 2).
Get the mode of the index entry. The returned mode contains the modes from stage 1, 2 and 3.
the stage (0, 1 or 2).
Atomically increments the reference count of entry
by one.
This function is MT-safe and may be called from any thread.
Atomically decrements the reference count of entry
by one.
If the reference count drops to 0, entry
is freed.
Represents an resolve undo index entry object.