Announcements

• Important Dates
  • Final Assignment 8 Due Thursday at 11:59pm
    • If you turn it in on Thursday, your score is multipled by 1.08.
    • If you turn it in by Friday night, then there's no penalty, but there's no bonus either.
    • If you turn it in by Saturday night, then your grade is capped at a 90%.
    • You can't turn Assignment 8 in after Saturday at 11:59pm.
  • Final Exam is Wednesday, December 13^th at 3:30pm in being held in two locations
    • The first letter of your last name determines where you should take the exam:
      • Last names beginning with A, B, C, ...., or K: Skilling Auditorium
      • Last names beginning with L, M, N, ...., or Z: Gates B01
    • Will cover all material taught in Lectures 1 through 18 (through my systems principles lecture) in depth, and will expect surface understanding of the nonblocking I/O material I started last Wednesday and taught this past Monday and today.
    • Exam is closed notes, closed book, closed computer, but you can bring and refer to two 8.5" x 11" sheets of paper with as much as you can cram onto their four sides, front and back.

Announcements

• Today's Lecture
  • Nonblocking I/O and event-driven programming (epoll, kqueue, and libev/libuv packages), cross-language compilation, the Tornado web server, node.js and Google's V8 engine.
    • Discuss the epoll suite of functions: epoll_create, epoll_ctl, and epoll_wait.
    • Discuss the difference between edge-triggered and level-triggered events.
    • Implement an event-driven HTML server using nonblocking I/O in one process and one thread of execution that makes efficent use of the CPU.