rustix/fs/sendfile.rs
1use crate::{backend, io};
2use backend::fd::AsFd;
3
4/// `sendfile(out_fd, in_fd, offset, count)`—Transfer data between file
5/// descriptors.
6///
7/// # References
8/// - [Linux]
9///
10/// [Linux]: https://man7.org/linux/man-pages/man2/sendfile.2.html
11#[cfg(linux_kernel)]
12#[inline]
13pub fn sendfile<OutFd: AsFd, InFd: AsFd>(
14 out_fd: OutFd,
15 in_fd: InFd,
16 offset: Option<&mut u64>,
17 count: usize,
18) -> io::Result<usize> {
19 backend::fs::syscalls::sendfile(out_fd.as_fd(), in_fd.as_fd(), offset, count)
20}