timeout: use nix kill/setpgid to reduce unsafe#10120
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mattsu2020
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Jan 8, 2026
mattsu2020
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- Replace libc::kill(getpid(), signal) and libc::setpgid(0, 0) in timeout with the nix equivalents, removing those unsafe blocks.
- Improves safety/readability by using higher‑level, checked APIs.
Replace unsafe `libc::kill` and `libc::setpgid` calls in the timeout utility with safer nix crate wrappers (`kill`, `getpid`, `setpgid`) to reduce unsafe code usage and improve overall code safety. This maintains functionality while leveraging Rust's type safety for signal and process group operations.
Reorder nix imports to alphabetical order in timeout.rs for better code organization and readability. No functional changes.
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