Ensure that all locks are acquired in the 4. 8 points Louis writes

Question 18 / 18:

4. [8 points]: Louis writes a multithreaded program, which produces an incorrect answer some of the time, but always completes. He suspects a race condition.

Which of the following are strategies that can reduce or eliminate race conditions in Louis’s program?

Ensure that all locks are acquired in the same order.

A True

B False

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Explanation:

FALSE. Always acquiring locks in the same order will prevent deadlocks. While deadlocks are arguably a form of race condition, there was no deadlock here since Louis’s program always completes.

Exam Home Page

https://www.jobilize.com/computer-system-engineering-exam-by-prof-robert-morris-mit

Computer System Engineering 6.033 Spring 2009

Author:

Prof.Robert MorrisProfessor

MIT Massachusetts Institute of Technology

USA

Access: Public Instant Grading

Attribution: Morris, Robert, and Samuel Madden. 6.033 Computer System Engineering, Spring 2009. (MIT OpenCourseWare: Massachusetts Institute of Technology), http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-033-computer-system-engineering-spring-2009 (Accessed 2 May, 2014). License: Creative Commons BY-NC-SA

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