Computer Science 330
Operating Systems

Fall 2025, Siena University

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Agenda

• Announcements
  • Reminder: no class Friday, October 17, and Monday, October 20, for October break
  • The next readings/activities from OS zyBook: Chapter 12, due Friday, October 24
  • Programming Project 2: Semaphores [HTML] [PDF] due before that break
• Lab 4: Interleavings [HTML] [PDF] recap
• Process Synchronization
  • Exercise 9.5.6
  • The Sleeping Barber
  • a quick look at semaphore implementations
• Programming Project 3: Process Synchronization Practice [HTML] [PDF] out
• System V shared memory
• Lab 5: System V Shared Memory [HTML] [PDF]

Examples

• https://github.com/SienaCSISOperatingSystems/sysvshmem-example