Who killed the network switch? - Cliffle
2024-03-24 What’s a Hubris? The scene of the crime Squeezing more out of limited RAM The smoking gun Extending Rust borrows across tasks in Hubris IPC When features attack How two innocent features conspired to kill the network switch The call is coming from inside the house! Failing with Hubris We found a neat bug in Hubris this week. Like many bugs, it wasn’t a bug when it was originally written
How to think about `async`/`await` in Rust - Cliffle
2023-06-30 async fn is an inversion of control Hand-rolling an explicit state machine Explicit state machines mean your caller has control Writing state machines with async fn await is a composition operator Summary (This is a section of the lilos intro guide that people seemed to like, so to increase its visibility, I’m lifting it up into its own post and expanding it a bit. I hope this is a usef
Why Rust mutexes look like they do - Cliffle
2022-03-31 Mutexes in C Mutexes in Rust Variations of the Rust mutex API and their problems Moving guarded data outside the mutex Unlock is unsafe. Conclusions One of the common complaints I hear from systems programmers who try Rust is about mutexes, and specifically about the Rust Mutex API. The complaints usually go something like this: They don’t want the mutex to contain data, just a lock. Th
Rewriting m4vgalib in Rust - Cliffle
2019-02-23 Executive summary Motivation Rust has a package manager On no_std On API design On binary size On memory safety Bounds checks On safety from data races If this isn’t your first time visiting my blog, you may recall that I’ve spent the past several years building an elaborate microcontroller graphics demo using C++. Over the past few months, I’ve been rewriting it — in Rust. This is an i
Learn Rust the Dangerous Way - Cliffle
LRtDW is a series of articles putting Rust features in context for low-level C programmers who maybe don’t have a formal CS background — the sort of people who work on firmware, game engines, OS kernels, and the like. Basically, people like me. I’ve added Rust to my toolbelt, and I hope to get you excited enough to do the same. Why Learn Rust the Dangerous Way? Introduction and ground rules. You c
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Making my website faster - Cliffle
