Shared Memory With Zig

Inter-process communication is a way to share information between different processes.

In this video, I’ll dive into what IPC is and how to create shared memory with Zig.

Disclaimer: This code is not production safe and just for educational purposes.

You can find the code written in this video here: github.com/zig-shared-memory You can find the diagrams used in this video here: excalidraw/zig-shared-memory

Corrections are in the pinned ERRATA comment.

Timestamps:

• [0:00] Intro
• [0:12] IPC
• [0:24] Shared memory
• [0:48] Example program
• [1:04] Disclaimer
• [1:17] Programming
• [1:32] Shared memory considerations
• [2:45] mmap()
• [4:18] Mapping to a file
• [6:18] Back to the program
• [6:36] Forking the child
• [7:59] Output
• [8:21] Outro

Resources:

• Operating System Concepts: Global Edition
• musl - shm_open

🎵 Music “bread” by ‘Lukrembo’
💿 Listen: https://www.youtube.com/watch?v=6eWIffP2M3Y