"Sumaira Ali -" <nat_lazy@hotmail.com> writes:
> <P>What do you mean by underlying state? And also, each each time any process (transaction)wants to acqure a lock it
callsLockAcquire (and if we put our code to update our linkedlist)and won't that ways each processes's actions be
recordedin the linkedlist.</P>
Not unless you keep the linked list in shared memory --- at which point
it is surely duplicative of the lists the lock manager already maintains.
regards, tom lane
