Fix racing condition in comic.cpp pdf render code (issue 25)

YACReaderLibrary/server/controllers/covercontroller.h

@@ -0,0 +1,20 @@
+#ifndef COVERCONTROLLER_H
+#define COVERCONTROLLER_H
+
+#include "httprequest.h"
+#include "httpresponse.h"
+#include "httprequesthandler.h"
+
+class CoverController : public HttpRequestHandler {
+    Q_OBJECT
+    Q_DISABLE_COPY(CoverController);
+public:
+
+    /** Constructor */
+    CoverController();
+
+    /** Generates the response */
+    void service(HttpRequest& request, HttpResponse& response);
+};
+
+#endif // COVERCONTROLLER_H