Function writev

src/backend/linux_raw/io/syscalls.rs:224–228

(fd: BorrowedFd<'_>, bufs: &[IoSlice<'_>])

#[inline]
pub(crate) fn writev(fd: BorrowedFd<'_>, bufs: &[IoSlice<'_>]) -> io::Result<usize> {
    let (bufs_addr, bufs_len) = slice(&bufs[..cmp::min(bufs.len(), MAX_IOV)]);

    unsafe { ret_usize(syscall_readonly!(__NR_writev, fd, bufs_addr, bufs_len)) }
}

#[inline]
pub(crate) fn pwritev(fd: BorrowedFd<'_>, bufs: &[IoSlice<'_>], pos: u64) -> io::Result<usize> {