use crate::{backend, io}; use backend::fd::AsFd; use backend::fs::types::Advice; /// `posix_fadvise(fd, offset, len, advice)`—Declares an expected access /// pattern for a file. /// /// # References /// - [POSIX] /// - [Linux] /// /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/posix_fadvise.html /// [Linux]: https://man7.org/linux/man-pages/man2/posix_fadvise.2.html #[inline] #[doc(alias = "posix_fadvise")] pub fn fadvise(fd: Fd, offset: u64, len: u64, advice: Advice) -> io::Result<()> { backend::fs::syscalls::fadvise(fd.as_fd(), offset, len, advice) }