Crate features / signal-hook
Feature flags · signal-hook 0.4.5 · from crates.io 2026-10-24
signal-hook features: what each one does, and the line to copy
Short answersignal-hook 0.4.5 has 4 features. By default it turns on channel, iterator; add default-features = false to start from nothing. It needs Rust 1.66 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
channel | yes | nothing else (a switch the code checks) |
extended-siginfo | channel, iterator, extended-siginfo-raw | |
extended-siginfo-raw | cc | |
iterator | yes | channel |
dep:x turns on the optional dependency x; x/y turns on feature y of dependency x (with ?, only if x is already on).
MSRV history
The minimum Rust version signal-hook declares (rust-version), and the release that changed it:
- 0.4.0 (2025-12-26): Rust 1.66
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p signal-hook --precise <version>, or use resolver 3, which picks compatible versions for you.
More on signal-hook
Real downloads, dependents and alternatives: signal-hook crate data (705K real downloads a day, 1,218 dependents).
docs.rs feature list · crates.io · license MIT OR Apache-2.0 · edition 2018
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