mutex locking progress bar

1 files changed, 9 insertions, 5 deletions

diff --git a/rotord/src/rendercontext.h b/rotord/src/rendercontext.h
index 130c678..0cecf49 100644
--- a/rotord/src/rendercontext.h
+++ b/rotord/src/rendercontext.h
@@ -82,23 +82,25 @@ namespace Rotor {
 			}								//interrupt locking process
 			Render_status get_render_status(const string &uid){
 
-				//cerr<<"render status requested: "<<uid<<" status: "<<renders[uid].status<<endl;
-							
+				graph.mutex.lock();
+					//cerr<<"render status requested: "<<uid<<" status: "<<renders[uid].status<<endl;
+								
 				if (renders.find(uid)!=renders.end()){
 					if (renders[uid].status==RENDERING){
 						renders[uid].progress=graph.progress;
 					}
+					graph.mutex.unlock();
 					return renders[uid];
 				}
-				else return Render_status(NOT_FOUND);
+				graph.mutex.unlock();		
+				return Render_status(NOT_FOUND);
+
 			};
 		private:
 			int state;
 															//thread only does one thing at once
 			std::deque<Session_task> work_queue;
 			std::unordered_map<string,Render_status> renders;
-			Poco::Mutex mutex;            					//lock for access from parent thread
-			
 			std::string output_filename;
 			std::string graph_dir;
 			std::string media_dir;
@@ -106,6 +108,8 @@ namespace Rotor {
 			std::string graph_filename;
 			std::string graph_body;
 
+			Poco::Mutex mutex;     //lock for access from parent thread
+
 			Audio_thumbnailer *audio_thumb;
 			Graph graph;
 			float output_framerate;