https://czerminski.me/tags/c/Recent content in C on czerminski.meHugoenMon, 13 Jul 2026 00:00:00 +0000https://czerminski.me/posts/cog-timing-wheel-design/Mon, 13 Jul 2026 00:00:00 +0000https://czerminski.me/posts/cog-timing-wheel-design/<h1 id="anatomy-of-a-timing-wheel-design-decisions-behind-a-scheduler-in-c"> Anatomy of a Timing Wheel: Design Decisions Behind a Scheduler in C <a class="heading-link" href="#anatomy-of-a-timing-wheel-design-decisions-behind-a-scheduler-in-c"> <i class="fa-solid fa-link" aria-hidden="true" title="Link to heading"></i> <span class="sr-only">Link to heading</span> </a> </h1> <h2 id="why-c"> Why C? <a class="heading-link" href="#why-c"> <i class="fa-solid fa-link" aria-hidden="true" title="Link to heading"></i> <span class="sr-only">Link to heading</span> </a> </h2> <p>I wanted to actually learn C, not just read about it. Toy katas don&rsquo;t force you to confront the things that matter — manual memory management, undefined behavior, and the discipline of running everything under ASan/UBSan/valgrind because the compiler alone won&rsquo;t save you. So I picked a real, self-contained project instead: <a href="https://github.com/tczerminski/cog" class="external-link" target="_blank" rel="noopener"><code>cog</code></a>, a hierarchical timing wheel.</p>