| 1 | use crate::{backend, io}; |
| 2 | use backend::fd::AsFd; |
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| 3 | |
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| 4 | /// `sendfile(out_fd, in_fd, offset, count)`—Transfer data between file |
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| 5 | /// descriptors. |
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| 6 | /// |
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| 7 | /// # References |
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| 8 | /// - [Linux] |
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| 9 | /// |
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| 10 | /// [Linux]: https://man7.org/linux/man-pages/man2/sendfile.2.html |
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| 11 | #[cfg (linux_kernel)] |
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| 12 | #[inline ] |
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| 13 | pub fn sendfile<OutFd: AsFd, InFd: AsFd>( |
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| 14 | out_fd: OutFd, |
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| 15 | in_fd: InFd, |
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| 16 | offset: Option<&mut u64>, |
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| 17 | count: usize, |
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| 18 | ) -> io::Result<usize> { |
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| 19 | backend::fs::syscalls::sendfile(out_fd.as_fd(), in_fd.as_fd(), offset, count) |
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| 20 | } |
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| 21 | |
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