451 operating systems section 8
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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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451 operating systems section 8

451 Operating SystemsSection 8

May 21, 2009


Agenda

Agenda

  • HW 3 debrief

  • Story time with Mr. McElroy


It hurts me too

It hurts me too 


451 operating systems section 8

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 


Hw 3 the good

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!


Hw 3 the bad

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


Hw 3 the ugly

HW 3: The Ugly

  • Numerous segfaults, deadlocks, and heap corruption

  • Some people didn’t finish

  • Strange implementations**** where people overcomplicated the project


Plug for gdb

Plug for GDB

  • Remember our suggestion to debug with GDB?

    • http://dirac.org/linux/gdb/


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