Kevin Gosse • 2/10/2026

Writing a .NET Garbage Collector in C# - Part 7: Marking handles

This technical article is part 7 of a series on building a .NET garbage collector in C#. It details the implementation of the mark phase, specifically focusing on scanning and managing GC handles. The author discusses revamping the handle storage system to meet requirements like type-based retrieval, fixed memory addresses, thread-safe allocation, and scalability, providing code examples for the handle store and segment structures.

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#c #memory management #.net