| 1 | use crate::{backend, io}; |
| 2 | use backend::fd::AsFd; |
|---|
| 3 | |
|---|
| 4 | pub use backend::fs::types::Advice; |
|---|
| 5 | |
|---|
| 6 | /// `posix_fadvise(fd, offset, len, advice)`—Declares an expected access |
|---|
| 7 | /// pattern for a file. |
|---|
| 8 | /// |
|---|
| 9 | /// # References |
|---|
| 10 | /// - [POSIX] |
|---|
| 11 | /// - [Linux] |
|---|
| 12 | /// |
|---|
| 13 | /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/posix_fadvise.html |
|---|
| 14 | /// [Linux]: https://man7.org/linux/man-pages/man2/posix_fadvise.2.html |
|---|
| 15 | #[inline ] |
|---|
| 16 | #[doc (alias = "posix_fadvise" )] |
|---|
| 17 | pub fn fadvise<Fd: AsFd>(fd: Fd, offset: u64, len: u64, advice: Advice) -> io::Result<()> { |
|---|
| 18 | backend::fs::syscalls::fadvise(fd.as_fd(), pos:offset, len, advice) |
|---|
| 19 | } |
|---|
| 20 | |
|---|
