Add shutdown message

include/ITA/simulation_scheduler/room_acoustics/raven/worker_thread.h

@@ -81,6 +81,11 @@ namespace ITA
 					/// 
 					void reset ( ) override;
 
+					///
+					/// \copydoc IWorkerInterface::shutdown
+					/// 
+					void shutdown() override;
+
 					///
 					/// \brief Factory function for CWorkerThread.
 					/// \param pConfig the WorkerConfig used to configure the CWorkerThread.

include/ITA/simulation_scheduler/scheduler.h

@@ -172,6 +172,11 @@ namespace ITA
 			/// 
 			audibility_filter::CFilterNetwork* getFilterNetwork ( ) const;
 
+			///
+			/// \brief Shutdown the scheduler safely.
+			/// 
+			void shutdown ( );
+
 		private:
 			///
 			/// \brief Process a CUpdateScene.

include/ITA/simulation_scheduler/update_config.h

@@ -26,6 +26,7 @@ namespace ITA
 			enum class ConfigChangeType
 			{
 				resetAll,         ///< Reset all simulations.
+				shutdown,         ///< Shutdown the system.
 				changeHRTF,       ///< Signal a change in receiver HRTF.
 				changeDirectivity ///< Signal a change in source directivity.
 			};

include/ITA/simulation_scheduler/worker_interface.h

@@ -93,6 +93,11 @@ namespace ITA
 			/// 
 			virtual void reset ( ) = 0;
 
+			///
+			/// \brief Shutdown the worker safely.
+			/// 
+			virtual void shutdown ( ) = 0;
+
 		protected:
 
 			///

src/ITA/simulation_scheduler/room_acoustics/raven/worker_thread.cpp

@@ -119,6 +119,17 @@ namespace ITA
 					m_bResetIndicated = false;
 				}
 
+				void CWorkerThread::shutdown()
+				{
+					m_bStopIndicated = true;
+					m_evTriggerLoop.SignalEvent ( );
+
+					// Wait for the end of the simulation
+					while ( isBusy ( ) ) VistaTimeUtils::Sleep ( 100 );
+
+					StopGently ( true );
+				}
+
 				std::unique_ptr<IWorkerInterface> CWorkerThread::createWorker (
 					const std::shared_ptr<IWorkerInterface::WorkerConfig>& pConfig, ISchedulerInterface* pParent )
 				{

src/ITA/simulation_scheduler/scheduler.cpp

@@ -184,6 +184,9 @@ namespace ITA
 				case CUpdateConfig::ConfigChangeType::resetAll:
 					reset ( );
 					break;
+				case CUpdateConfig::ConfigChangeType::shutdown:
+					shutdown ( );
+					break;
 				default:
 					ITA_EXCEPT_INVALID_PARAMETER ( "Unkown type of config change" );
 			}
@@ -353,5 +356,18 @@ namespace ITA
 		{
 			return m_pFilterNetwork.get ( );
 		}
+
+		void CScheduler::shutdown()
+		{
+			m_qUpdateQueue.clear ( );
+			m_lPendingUpdateList.clear ( );
+			m_lUpdateList.clear ( );
+			
+			// signal the reset to the workers
+			for ( auto& worker : m_vWorker )
+			{
+				worker->shutdown ( );
+			}
+		}
 	} // namespace simulation_scheduler
 } // namespace ITA
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