Exploring Expect

Exercises

1. Write a procedure that defines reasonable default handlers for all signals.

2. Write a script that sends signals back to itself. Do the signals arrive while the kill command is still executing? After? Long after? What happens when the system is heavily loaded?

3. On page 315, I described several problems that signals can cause even when they are caught and handled. Do these problems apply to any example scripts in this book?

4. Write a script without using signals. Reread the first sentence in this chapter.