add mutex for thread safety
diff --git a/demo/chatdialog.h b/demo/chatdialog.h
index 312ebb0..e5e0c34 100644
--- a/demo/chatdialog.h
+++ b/demo/chatdialog.h
@@ -1,6 +1,7 @@
#ifndef CHATDIALOG_H
#define CHATDIALOG_H
#include <boost/function.hpp>
+#include <boost/thread/mutex.hpp>
#include <vector>
#include "digesttreescene.h"
#include "ui_chatdialog.h"
@@ -53,5 +54,7 @@
Sync::SyncAppSocket *m_sock;
uint32_t m_session;
DigestTreeScene *m_scene;
+ boost::mutex m_msgMutex;
+ boost::mutex m_sceneMutex;
};
#endif