Method poll

src/python/uv_runner.cpp:40–82

    }

    bool UvRunner::poll() {
        if (!running_.load()) {
            return false;
        }

        char buf[4096];
        ssize_t n;

        while ((n = process_.read(buf, sizeof(buf) - 1)) > 0) {
            buf[n] = '\0';

            if (raw_output_callback_) {
                raw_output_callback_(std::string(buf, n));
            } else {
                output_buffer_ += std::string(buf, n);
                process_buffer();
            }
        }

        if (n < 0 || !process_.is_running()) {
            // Process finished
            if (!raw_output_callback_) {
                process_buffer();
                if (!output_buffer_.empty()) {
                    emit_line(output_buffer_, false);
                    output_buffer_.clear();
                }
            }

            exit_code_ = process_.wait();
            running_ = false;
            complete_ = true;

            LOG_INFO("UV completed with exit code {}", exit_code_);

            if (completion_callback_) {
                completion_callback_(exit_code_ == 0, exit_code_);
            }
            return false;
        }

        return true;
    }

    void UvRunner::cancel() {
        if (running_.load()) {