Jan 19 · 4 min read · Mutex là gì ? Mutex là chìa khóa để bảo vệ tài nguyên chung, tại một thời điểm chỉ cho phép một luồng truy cập. Nếu coi Tài nguyên chung là một cái phòng có một cửa thì Mutex chính là cái chì khóa phòng. Luồng nào lấy được chìa khóa và đi vào phòng t...
Join discussionNov 8, 2025 · 10 min read · In this post, I’ll walk you through how I built a real-time WebSocket broadcast server and client in Go — a simple chat system that lets multiple clients connect and exchange messages instantly from the terminal. This project combines: 🧠 Goroutines...
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Oct 9, 2025 · 9 min read · Concurrency is Go's crown jewel - goroutines and channels make concurrent programming feel almost magical. But not every problem belongs in a channel. Many developers fall into the trap of overusing channels or misusing mutexes, resulting in slow, bu...
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Sep 15, 2025 · 4 min read · 0) One-line definition Mutex = a lock to protect mutually exclusive critical sections.The key feature is priority inversion prevention (inheritance)—this is what differentiates it from queues/semaphores.Never use it in ISRs. (Task context only) 1) W...
Join discussionAug 22, 2025 · 5 min read · Building on Box, Rc, and Arc: Moving from shared ownership to shared mutable state In my previous blog post, we explored Box, Rc, and Arc smart pointers for managing ownership and sharing data. But there was one crucial limitation: these smart pointe...
Join discussionJul 17, 2025 · 9 min read · For a long time, C programs have run like a solo actor on a stage, performing one instruction after another in a predictable sequence. This is simple and effective, but what happens when your program needs to do multiple things at once? Imagine a des...
Join discussionJul 7, 2025 · 11 min read · In the world of multithreaded programming, there’s one golden rule: Don’t let threads fight over shared data.But how do we keep things peaceful?Enter: std::atomic and std::mutex. In this article, we’ll break down both of these synchronization tools,...
Join discussionMay 7, 2025 · 3 min read · Welcome to the next pikoTutorial! Shared mutex If you're creating a multi-threaded application with tons of read operations and only a few write operations, std::shared_mutex is the way to go. It allows threads to read from the same resource without ...
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Jan 23, 2025 · 3 min read · Semaphore vs Mutex Semaphore In a multi-threaded environment, your program might run into a problem if more than one threads are trying to acquire a shared resource at the same time. Semaphore is a synchronization tool used in programming to manage a...
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Nov 27, 2024 · 2 min read · Has anyone used Go Mutex in their project? When we should use Mutex? How do you use Mutex properly and safely? Mutex stands for 'mutual exclusion'. It ensures that only one goroutine can access a shared resource at any given time, preventing race con...
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