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451 Operating Systems Section 8

451 Operating Systems Section 8. May 21, 2009. Agenda. HW 3 debrief Story time with Mr. McElroy. It hurts me too . HW 3. I am still working on grading them… Goal is to send you scores by Monday Some people really understand programming in C…. a nd some people really do not .

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451 Operating Systems Section 8

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  1. 451 Operating SystemsSection 8 May 21, 2009

  2. Agenda • HW 3 debrief • Story time with Mr. McElroy

  3. It hurts me too 

  4. HW 3 • I am still working on grading them… • Goal is to send you scores by Monday • Some people really understand programming in C…. and some people really do not 

  5. HW 3: The Good • Answers to the questions from the book were great. People really understood the questions and submitted nice and complete work. • Part 1: almost everyone nailed the semaphore implementation • Some people had perfect hw’s which is impressive because last week was so busy!

  6. HW 3: The Bad • Makefiles • Provide an “all” target • Clean up your code to eliminate annoying compiler warnings • Testing • Most people provided weak tests. They provided a sample program that used their test, not an actual test

  7. HW 3: The Ugly • Numerous segfaults, deadlocks, and heap corruption • Some people didn’t finish • Strange implementations**** where people overcomplicated the project

  8. Plug for GDB • Remember our suggestion to debug with GDB? • http://dirac.org/linux/gdb/

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