CCHttpClient发送数据时断网导致闪退的解决方法

http://www.cocos2d-x.org/forums/6/topics/38239?r=38328#message-38328

在HttpClient.cpp的configCURL方法中添加

    code = curl_easy_setopt(handle, CURLOPT_NOSIGNAL, 1);
    if (code != CURLE_OK) {
        return false;
    }