Icicle\Concurrent\Forking\Fork::receive PHP Method

    public function receive() : \Generator
    {
        if (null === $this->channel) {
            throw new StatusError('The fork has not been started or has already finished.');
        }
        $data = (yield from $this->channel->receive());
        if ($data instanceof ExitStatus) {
            $data = $data->getResult();
            throw new SynchronizationError(sprintf('Fork unexpectedly exited with result of type: %s', is_object($data) ? get_class($data) : gettype($data)));
        }
        return $data;
    }