signal-hook

16.4M downloads in the last 30 days (546.4K/day), up 32% from the previous period.

11.4K crates depend on signal-hook — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

This crate is maintained by a team (2 owners), reducing bus-factor risk and ensuring continuity.

Despite being 7+ years old, signal-hook hasn't reached 1.0 yet. Expect potential API changes between versions.

Only 3 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

At 46KB, signal-hook is lightweight. Small crate size correlates with focused, well-scoped functionality.

Notable dependents include signal-hook-registry, crossbeam-channel, polling, async-io, crossterm. When high-quality crates choose signal-hook, it's a strong quality signal.