Function vmsplice

src/pipe.rs:171–177

(
    fd: PipeFd,
    bufs: &[IoSliceRaw<'_>],
    flags: SpliceFlags,
)

#[cfg(linux_kernel)]
#[inline]
pub unsafe fn vmsplice<PipeFd: AsFd>(
    fd: PipeFd,
    bufs: &[IoSliceRaw<'_>],
    flags: SpliceFlags,
) -> io::Result<usize> {
    backend::pipe::syscalls::vmsplice(fd.as_fd(), bufs, flags)
}

/// `tee(fd_in, fd_out, len, flags)`—Copy data between pipes without
/// consuming it.