Method start

src/python/subprocess.cpp:30–64

#ifndef _WIN32

    bool SubProcess::start(const std::string& program, const std::vector<std::string>& args) {
        kill();

        constexpr unsigned short PTY_COLS = 120;
        constexpr unsigned short PTY_ROWS = 24;
        struct winsize ws = {};
        ws.ws_col = PTY_COLS;
        ws.ws_row = PTY_ROWS;

        pid_ = forkpty(&stdout_fd_, nullptr, nullptr, &ws);
        if (pid_ == -1) {
            LOG_ERROR("forkpty() failed: {}", strerror(errno));
            return false;
        }

        if (pid_ == 0) {
            setenv("UV_HTTP_TIMEOUT", "300", 1);
            setenv("TERM", "xterm-256color", 1);

            std::vector<const char*> argv;
            argv.push_back(program.c_str());
            for (const auto& arg : args)
                argv.push_back(arg.c_str());
            argv.push_back(nullptr);

            execvp(program.c_str(), const_cast<char* const*>(argv.data()));
            _exit(127);
        }

        const int flags = fcntl(stdout_fd_, F_GETFL, 0);
        fcntl(stdout_fd_, F_SETFL, flags | O_NONBLOCK);

        LOG_INFO("Subprocess started: {} (pid {})", program, pid_);
        return true;
    }

    ssize_t SubProcess::read(char* buf, size_t len) {
        if (stdout_fd_ < 0)