Method set_config

vhost_user_block/src/lib.rs:419–433

(&mut self, offset: u32, data: &[u8])

    }

    fn set_config(&mut self, offset: u32, data: &[u8]) -> result::Result<(), io::Error> {
        let config_slice = self.config.as_mut_slice();
        let data_len = data.len() as u32;
        let config_len = config_slice.len() as u32;
        let end = offset
            .checked_add(data_len)
            .ok_or_else(|| io::Error::from_raw_os_error(libc::EINVAL))?;
        if end > config_len {
            error!("Failed to write config space: offset {offset} + len {data_len} > {config_len}");
            return Err(io::Error::from_raw_os_error(libc::EINVAL));
        }
        config_slice[offset as usize..end as usize].copy_from_slice(data);
        self.update_writeback();
        Ok(())
    }

    fn exit_event(&self, thread_index: usize) -> Option<(EventConsumer, EventNotifier)> {
        let kill_evt = &self.threads[thread_index].lock().unwrap().kill_evt;