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RwLock HashMap Arc Mutex File
rust pub struct Context { pubcrate tools: HashMap>, pubcrate fifos: tokio::sync::RwLock>>>, // ^ ^ ^ }// many fifos, but only | async ref counter | | but only o...
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The Secret Life of Go: Atomic Operations
Chapter 10: The Indivisible Moment Tuesday morning brought a sharp, biting wind off the Hudson, rattling the old sash windows of the library archive. Ethan arr...
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Spinlocks vs. Mutexes: When to Spin and When to Sleep
Introduction You’re staring at perf top showing 60 % CPU time in pthread_mutex_lock. Your latency is terrible. Someone suggests “just use a spinlock,” and sudd...