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Deadlock Recovery
nNeeded when deadlock is detected. The following
approaches are possible:
uAbort
all deadlocked processes (one of the most common solution adopted in OS!!)
uRollback each deadlocked process to some previously
defined checkpoint and restart them (original deadlock may reoccur)
uSuccessively abort deadlock processes until deadlock no longer
exists (each time we need to invoke the deadlock detection algorithm)