The operations affected by locked regions, and the status bit settings are
|
Source |
Destination |
Add Item |
in_lock |
N/A |
Insert Item |
in_lock |
N/A |
Delete Item |
out_lock |
in_lock |
Fetch Item |
out_lock |
in_lock |
Move Item |
out_lock |
in_lock |
Advance Item |
out_lock |
in_lock |
Step 3. Auto-lock regions. |