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POQNetworkAccessManager threads never finish
 

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    <p>I know that in version 4.8 each http request gets its own thread to run.<br> I'm doing a links checker app that does a lot of http requests in a while loop and I notice in the windows task manager that my app is using more than 1600 threads over time and the number never goes down, only up until it crashes the app. (I'm guessing that is the cause.)</p> <p>My question is, does <code>QNetworkAccessManager</code> have an option to use thread pool?<br> Or does it have an option to clean its threads after it finishes its http request?</p> <p>This is the main loop:</p> <pre><code>while(!rpm_urlStack-&gt;isEmpty()) { QString url = rpm_urlStack-&gt;top(); //define the reply QNetworkReply *reply; rpm_urlStack-&gt;pop(); QString urlForReq(url); bool returnVal = true; QNetworkRequest request; request.setUrl(QUrl(urlForReq)); request.setRawHeader("User-Agent", USER_AGENT.toUtf8()); request.setRawHeader("Accept-Charset", "ISO-8859-1,utf-8;q=0.7,*;q=0.7"); request.setRawHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"); request.setRawHeader("Accept-Language", "en-us,en;q=0.5"); request.setRawHeader("Connection", "Keep-Alive"); QEventLoop loop; reply = m_networkManager-&gt;get(request); connect(reply, SIGNAL(finished()), &amp;loop, SLOT(quit())); loop.exit(); if(!loop.isRunning()) { loop.exec(); } RequestFinishedHandler(reply); // this is how I delete the reply object delete reply; } RequestFinishedHandler(QNetworkReply *reply) { if (reply-&gt;error() &gt; 0) { QNetworkReply::NetworkError networkError = reply-&gt;error(); QString err = reply-&gt;errorString(); } else { QVariant vStatusCodeV = reply-&gt;attribute(QNetworkRequest::HttpStatusCodeAttribute); QMutexLocker lock(_pMutex); // _pMutex defined as class member char *buffer; buffer = getCurrentDateTime(); QTextStream out(m_file); out &lt;&lt; buffer &lt;&lt; " " &lt;&lt; _sCurrentUrl &lt;&lt; "\n"; lock.unlock(); if(vStatusCodeV.toInt() == 200) { QString ApiResponse; QByteArray data; data=reply-&gt;readAll(); ApiResponse.append(QString::fromUtf8(data)); } } } </code></pre>
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