databases

Question

Suppose the process P has been running for several days when a new process Q starts up and begins contending with P for resources. Which of the following is true?

A

In a wait-die system, if P needs a resource held by Q, then P waits.

B

In a wait-die system, if Q needs a resource held by P, then Q waits.

C

In a wound-wait system, if P needs a resource held by Q, then Q yields and waits.

d

In a wound-wait system, if Q needs a resource held by P, then Q dies.

Comments

Then why not option C?

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In option C they are saying Q yiels and waits but Q will be killed by P. in wound wait.

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Yeah,Thanks!That's what I thought,In that case Q restarts with same TS.Difference is word 'wait.'