Function vmsplice

src/backend/linux_raw/pipe/syscalls.rs:82–89

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

#[inline]
pub(crate) unsafe fn vmsplice(
    fd: BorrowedFd<'_>,
    bufs: &[IoSliceRaw<'_>],
    flags: SpliceFlags,
) -> io::Result<usize> {
    let (bufs_addr, bufs_len) = slice(&bufs[..cmp::min(bufs.len(), MAX_IOV)]);
    ret_usize(syscall!(__NR_vmsplice, fd, bufs_addr, bufs_len, flags))
}

#[inline]
pub(crate) fn tee(