rust-graceful-shutdown

Orchestrate graceful shutdown for Rust services using signal handling and broadcast channels.

1|Updated Dec 30, 2025
One-click install
npx skills add https://github.com/gar-ai/mallorn --skill rust-graceful-shutdown
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: rust-graceful-shutdown
Source: https://github.com/gar-ai/mallorn/tree/main/.claude/skills/rust-async-graceful-shutdown
Command: npx skills add https://github.com/gar-ai/mallorn --skill rust-graceful-shutdown

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Patterns for clean service shutdown with proper resource cleanup in Rust, ensuring long-running processes terminate safely when signaled.

Core Features & Use Cases

  • Signal handling for Ctrl+C and termination signals to trigger graceful shutdown.
  • Broadcast channels to coordinate shutdown across multiple workers and components.
  • CancellationToken-like patterns to propagate shutdown across async tasks.
  • Cleanup strategies (Drop guards, scoped cleanup) to release resources deterministically.
  • End-to-end example flow for a Rust daemon or server.

Quick Start

Implement a graceful shutdown pattern in a Rust service using signal handling, broadcast channels, and resource cleanup patterns.

Frequently Asked Questions about rust-graceful-shutdown

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

FAQPage Schema
How do I implement graceful shutdown in a Rust service?

Graceful shutdown in Rust is orchestrated by listening for SIGINT and SIGTERM signals and using broadcast channels to propagate the termination command across async workers. This ensures in-flight work completes and resources are released deterministically.

How do I coordinate resource cleanup across multiple Tokio workers during termination?

To coordinate resource cleanup across Tokio workers, use broadcast-based shutdown propagation and CancellationToken-like patterns to notify tasks. Combined with Drop guards and scoped cleanup, this ensures long-running daemons release resources deterministically upon termination.

What is the best way to handle SIGTERM and Ctrl+C signals in Rust daemons?

Handling SIGTERM and Ctrl+C in Rust daemons is best achieved by implementing dedicated signal listeners that trigger a broadcast channel. This approach notifies all background workers to initiate cancellation and execute cleanup strategies rather than terminating abruptly.

Does this graceful shutdown pattern work for background workers with in-flight work?

Yes, this graceful shutdown pattern works for background workers with in-flight work by utilizing cancellation tokens and broadcast channels. It ensures long-running processes wait for active tasks to finish their current operations before shutting down safely.

Why do I need broadcast channels for Rust service termination instead of immediate stops?

You need broadcast channels for Rust service termination to prevent immediate stops from corrupting state or leaking resources. Broadcast channels allow a single shutdown signal to notify all async components, ensuring coordinated and safe cleanup.