Reading Assignment

• Operating Systems Concepts: Chapter 3.

Lecture Slides

• Process Management

Homework Assignment

Due Date: 2/11/08


• Operating Systems Concepts: #3.1, #3.2, #3.4, #3.5(a,c,d).
• Consider figure 3.2 on p. 83 of the text. Describe and give examples of events that would trigger the transitions between the following states:
  • running to ready
  • running to waiting
• Create a C++ program that forks two child processes and waits for both of them to complete. Turn in a printout of your program for this question. Note: You do not need to use execv for this program. The output from your program should be something like:
  Parent running Parent running after first fork Parent running after second fork First child running Second child running First child done Second child done Parent done

Related Web Sites

C++ Strings

A page listing and describing all of the C++ string functions.

Sample Code

• ConsoleIODemo.cpp - Demonstration of console input/output in C++.
• StringDemo.cpp - Demonstration of string functions in C++.
• StringConvert.cpp - Demonstration of converting a C++ string into a C-style string.
• TokenizeString.cpp - Demonstration of using the functions in StringTokenizer.cpp to split a string into its tokens.
• ForkDemo.cpp - Demonstration of using the fork and wait system calls in C++.
• ForkPuzzle2.cpp - An interesting use of fork.
• ExecvDemo.cpp - Demonstration of using the fork, execv and wait system calls in C++.

Project Assignment

Due Date: 2/18/08


• Project #1 - Processes and Shells

Acknowledgment: this content is essentially identical to that developed by Professor Grant Braught for the Spring 2006 Operating Systems course, and I'm grateful for his permission to use it.