Thursday, 15 December 2011

DEADLOCKS


Mutual exclusion
One or more than one resource must be held by a process in a non-sharable (exclusive) mode.

Hold and Wait
A process holds a resource while waiting for another resource.

No Preemption
There is only voluntary release of a resource - nobody else can make a process give up a resource.

Circular Wait
Process A waits for Process B waits for Process C .... waits for Process A.

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