191
Deadlock Recovery (cont.)
uSuccessively preempt some resources from processes and
give them to other processes until deadlock no longer exists
Fa process that has a resource preempted must be rolled back
prior to its acquisition
nFor the 2 last approaches: a victim process needs to be
selected according to:
uleast
amount of CPU time consumed so far
uleast
total resources allocated so far
uleast
amount of “work” produced so far...