COM310

COM310 Operating Systems

Demos for COM310 Operating Systems. Each demo has a walkthrough you can open in a browser and C code you can compile and run on Linux.

Chapter 3: Processes

Creating processes

• Tracing fork(): walkthrough and code
• Two forks, four processes: walkthrough and code
• The print buffer and fork(): walkthrough and code
• exit() and wait(): walkthrough and code
• exec() replaces the program: walkthrough and code
• fork() then exec(): walkthrough and code
• A tiny shell: walkthrough and code

Interprocess communication

• Shared memory: walkthrough and code
• Producer and consumer with an unbounded buffer: walkthrough and code
• Producer and consumer with a bounded buffer: walkthrough and code
• Message passing with a pipe: walkthrough and code

Running the C code

gcc -Wall -o fork_demo fork_demo.c
./fork_demo

If gcc isn’t installed on Linux Mint, run sudo apt install build-essential first.