Semaphore fixes.

src/controller/controller.cpp

@@ -127,8 +127,9 @@ void statusMonitor(void * np){
         changed = true;
       }
       configLock.post();
-      if (changed){
+      if (changed || Controller::configChanged){
         Controller::writeConfig();
+        Controller::configChanged = false;
       }
     }
     Util::wait(5000);//wait at least 5 seconds

src/controller/controller_api.cpp

@@ -572,7 +572,7 @@ int Controller::handleAPIConnection(Socket::Connection & conn){
             Controller::fillActive(Request["stats_streams"], Response["stats_streams"]);
           }
           
-          Controller::writeConfig();
+          Controller::configChanged = true;
           
         }else{//unauthorized
           Util::sleep(1000);//sleep a second to prevent bruteforcing 

src/controller/controller_storage.cpp

@@ -16,6 +16,8 @@ namespace Controller {
   JSON::Value Storage; ///< Global storage of data.
   tthread::mutex configMutex;
   tthread::mutex logMutex;
+  bool configChanged = false;
+
   ///\brief Store and print a log message.
   ///\param kind The type of message.
   ///\param message The message to be logged.

src/controller/controller_storage.h

@@ -8,6 +8,7 @@ namespace Controller {
   extern JSON::Value Storage; ///< Global storage of data.
   extern tthread::mutex logMutex;///< Mutex for log thread.
   extern tthread::mutex configMutex;///< Mutex for server config access.
+  extern bool configChanged; ///< Bool that indicates config must be written to SHM.
   
   /// Store and print a log message.
   void Log(std::string kind, std::string message);