Outline:

1. Discuss Midterm 1
2. Blocking example
3. Priority Inheritance Protocol (PIP)
   • Overview
   • Blocking computation

Reading assignment (to be completed by the next class):

• PIP: Buttazzo sec. 7.6 (pp. 214-226)
  • note that our emphasis is on 7.6.1-7.6.3

Correction in book (section 7.6.1 – PIP protocol definition):

• p. 215, equation (7.8):
  • The calculation for should consider the active priority of all tasks it blocks, to ensure transitive priority inheritance: .