题目
多项选择题
Question at position 3 A system can recover from a deadlock by:Preempting some resources from one or more of the deadlocked threads.Aborting all deadlocked processes.Aborting one process at a time until the deadlock cycle is eliminated.
选项
A.Preempting some resources from one or more of the deadlocked threads.
B.Aborting all deadlocked processes.
C.Aborting one process at a time until the deadlock cycle is eliminated.
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标准答案
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思路分析
Question restatement: The item asks how a system can recover from a deadlock, presenting three possible strategies for consideration.
Option 1: Preempting some resources from one or more of the deadlocked threads. This is a valid recovery technique. By forcibly taking away certain resources held by one or more deadlocked processes and reallocating them to others (or to the ones that can proceed), you can break the cycle of waiting and allow progress to res......Login to view full explanation登录即可查看完整答案
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