src/Command/ServerCommand.php
public function reload()
    {
        // 是否已启动
        if (!$this->isRunning()) {
            echo 'The server is not running! cannot reload', PHP_EOL;

            return;
        }

        echo 'Server is reloading...', PHP_EOL;
        \swoole_process::kill($this->serverSetting['managerPid'], SIGUSR1);
        echo 'Server reload success', PHP_EOL;
    }
public function reload()
    {
        // 是否已启动
        if (!$this->isRunning()) {
            echo 'The server is not running! cannot reload', PHP_EOL;

            return;
        }

        echo 'Server is reloading...', PHP_EOL;
        \swoole_process::kill($this->serverSetting['managerPid'], SIGUSR1);
        echo 'Server reload success', PHP_EOL;
    }
平滑重启.