Computer Science 432/563
Operating Systems

Spring 2016, The College of Saint Rose

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Agenda

• Announcements
• Lecture 0x02 assignment recap
• Lab 1: Unix and C Refresher recap
• Lab 2: Programming Unix Processes and Threads in C continues
• Programming Project 1: Process Tree out
• Interprocess communication
  • motivation
  • shared memory vs. message passing
  • IPC mechanisms
• Threads
  • Threads vs. Processes
  • Advantages of threads
  • User threads vs. kernel threads
  • POSIX Threads

Lecture 0x03 Assignment

Due at the start of class, Wednesday, February 3.

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 0x03 Assignment , Joe Student). We will discuss these questions at the start of class, so no late submissions are accepted.

The readings for next class are SG&G Chapter 6.

• SG&G Exercise 4.7, p. 192 (3 points)
• SG&G Exercise 4.8, p. 192 (4 points)
• SG&G Exercise 4.9, p. 192 (3 points)
• SG&G Exercise 4.15, p. 193 (2 points)

Examples

• pthreadhello