Computer Science 322 Operating Systems Mount Holyoke College Spring 2008

Agenda

• Announcements
• Exam Questions/Answers
• Semaphores
  • POSIX threads mutex example
  • POSIX semaphores example
• Classical problems of synchronization
  • Bounded Buffer with no busy waits
  • The Dining Philosophers
  • Readers-Writers
• Exam Out

Lecture Assignment

No new lecture assignment due for next time. You have an exam to take!

Examples

• More from prodcons-pthreads
• prodcons-sysvsemaphore