A critical region is any section of code that must be completely executed by any kernel control path that enters it before another kernel control path can enter it.

 
  • 臨界區:當內核正在執行處于臨界區內的代碼的時(shí)候,在該內核控制路徑?jīng)]有執行完臨界區的代碼之前,任何其它內核控制路徑不能進(jìn)入該臨界區。
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