1 files changed, 4 insertions, 0 deletions
diff --git a/src/modules/SystemBackendProc/SystemBackendProc.h b/src/modules/SystemBackendProc/SystemBackendProc.h
index a6a7835..99cc800 100644
--- a/src/modules/SystemBackendProc/SystemBackendProc.h
+++ b/src/modules/SystemBackendProc/SystemBackendProc.h
@@ -23,6 +23,8 @@
 #include <Common/SystemBackend.h>
 #include <Common/Application.h>
 
+#include <boost/thread/mutex.hpp>
+
 #include <fstream>
 
 namespace Mad {
@@ -33,6 +35,8 @@ class SystemBackendProc : public Common::SystemBackend {
   private:
     Common::Application *application;
 
+    boost::mutex uptimeMutex, meminfoMutex, loadMutex;
+
     std::ifstream uptimeFile;
     std::ifstream meminfoFile;
     std::ifstream loadFile;