m07-concurrency

Guide Rust concurrency with threads, async/await, and synchronization primitives.

1|Updated Nov 27, 2025
One-click install
npx skills add https://github.com/flexisuite-org/FlexiSuite_Kernel --skill m07-concurrency-flexisuite-org
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: m07-concurrency
Source: https://github.com/flexisuite-org/FlexiSuite_Kernel/tree/main/.agents/skills/m07-concurrency
Command: npx skills add https://github.com/flexisuite-org/FlexiSuite_Kernel --skill m07-concurrency-flexisuite-org

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps developers understand and implement safe and efficient concurrency patterns in Rust, preventing common pitfalls like data races and deadlocks.

Core Features & Use Cases

  • Concurrency Primitives: Learn about Send, Sync, Mutex, RwLock, Arc, and channels.
  • Async/Await: Understand how to manage asynchronous operations with tokio and other runtimes.
  • Error Handling: Debug and fix common concurrency errors like E0277.
  • Use Case: When building a web server that needs to handle many requests simultaneously without blocking, this Skill provides the tools and knowledge to implement a performant and thread-safe solution.

Quick Start

Use the m07-concurrency skill to understand how to share mutable state safely between threads using Arc<Mutex<T>>.

Frequently Asked Questions about m07-concurrency

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I share mutable state safely between Rust threads?

To share mutable state safely between Rust threads, wrap your data in Arc<Mutex<T>>. This pattern allows multiple threads to own the data via Arc while the Mutex ensures synchronized, exclusive access to prevent data races.

Why does my Rust async code fail with the E0277 error?

The E0277 error in Rust async code usually occurs when a type lacks the required Send or Sync traits. This Skill helps you debug and fix these trait violations to ensure tasks can be safely transferred across thread boundaries.

When should I use RwLock instead of Mutex for Rust concurrency?

Use RwLock instead of Mutex when you have many concurrent read operations and fewer write operations. RwLock allows multiple readers simultaneous access, whereas Mutex provides exclusive access to a single thread at a time.

How do I manage asynchronous tasks in Rust without blocking the main thread?

Manage asynchronous tasks in Rust by using the async/await syntax with a runtime like tokio. This Skill provides guidance on executing non-blocking operations, allowing you to build high-performance web servers that handle many requests simultaneously.

What causes deadlocks in Rust and how can I prevent them?

Deadlocks in Rust occur when multiple threads wait indefinitely for locks held by each other. This Skill addresses deadlock prevention by detailing concurrency patterns and synchronization primitives for safe shared state management.

What are the Send and Sync traits in Rust?

Send and Sync are core Rust concurrency traits that enforce thread safety. Send allows types to be transferred between threads, while Sync allows types to be safely referenced from multiple threads, preventing data races at compile time.