Existing crate having linux open_excl implemented

Hi All, please help me find crate having this method already implemented. Linux method link - https://linux.die.net/man/3/open_excl

It seems like it’s not a standard posix function. Based on this stack overflow article it seems like it is just using open(..) with O_EXCL and with mode 0600. This can be replicated using the standard library with

use std::os::unix::fs::OpenOptionsExt;

let f = std::fs::OpenOptions::new().create_new(true).mode(0o600).open(path_to_file)?;
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