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* השאלה נוספה בתאריך: 20-07-2020

		then the process waits for the resources be allocated to it
		the process keeps sending requests until the resource is allocated to it
		the process resumes execution without the resource being allocated to it
		then all resources currently being held are preempted

To ensure no preemption, if a process is holding some resources and requests another resource that cannot be immediately allocated to it