use crate::{backend, io};
use backend::fd::AsFd;
/// `sendfile(out_fd, in_fd, offset, count)`
///
/// # References
/// - [Linux]
///
/// [Linux]: https://man7.org/linux/man-pages/man2/sendfile.2.html
#[cfg(linux_kernel)]
#[inline]
pub fn sendfile<OutFd: AsFd, InFd: AsFd>(
out_fd: OutFd,
in_fd: InFd,
offset: Option<&mut u64>,
count: usize,
) -> io::Result<usize> {
backend::fs::syscalls::sendfile(out_fd.as_fd(), in_fd.as_fd(), offset, count)
}