Computer Science 432/563
Operating Systems

Spring 2016, The College of Saint Rose

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Agenda

• Announcements
• Programming Project 2: CPU Scheduler Simulation continues
  • note new due dates
  • discussion?
• Lecture 0x07 assignment recap
• Critical Sections
  • 2-process algorithms
  • n-process algorithms
• Hardware support for process synchronization
  • atomic test-and-set
  • bounded wait using atomic test-and-set
  • atomic swap instruction

Lecture 0x08 Assignment

Due at the start of class, Monday, February 22.

Please submit answers to these questions either as a hard copy (typeset or handwritten are OK) or by email to terescoj AT strose.edu by the start of class. Please use a clear subject line when submitting by email (e.g., CS 432 Lecture 0x08 Assignment, Mary Smith). We will discuss these questions at the start of class, so no late submissions are accepted.

• SG&G Exercise 5.10, p. 251-252 (6 points)

Links

• BTS instruction from 80386 Programmer's Reference Manual at MIT
• XCHG instruction from 80386 Programmer's Reference Manual at MIT