Protect attribute register/unregister with mutex

Apps/Tuto/tuto_mt.cpp

@@ -176,7 +176,6 @@ public:
 	{
 		m_positions2[i] = 1.1f * m_positions[i];
 	}
-	// no need to duplicate here functor can be shared (no data), call foreach with true parameter
 };
 
 
@@ -283,7 +282,7 @@ void MyQT::threadStorage()
 	}
 
 	CGoGNout << "using "<< nbthreads << " threads"<< CGoGNendl;
-	Algo::Parallel::foreach_cell<PFP::MAP,EDGE>(myMap, functs, nbthreads);
+	Algo::Parallel::foreach_cell<PFP::MAP,EDGE>(myMap, functs);
 
 	//compute average length from each thread result and delete functors
 	double average = 0;

include/Topology/generic/attributeHandler.hpp

@@ -28,6 +28,7 @@ namespace CGoGN
 template <typename T, unsigned int ORBIT>
 inline void AttributeHandler<T, ORBIT>::registerInMap()
 {
+	boost::mutex::scoped_lock lockAH(m_map->attributeHandlersMutex);
 	m_map->attributeHandlers.insert(std::pair<AttributeMultiVectorGen*, AttributeHandlerGen*>(m_attrib, this)) ;
 }
 
@@ -35,6 +36,8 @@ template <typename T, unsigned int ORBIT>
 inline void AttributeHandler<T, ORBIT>::unregisterFromMap()
 {
 	typedef std::multimap<AttributeMultiVectorGen*, AttributeHandlerGen*>::iterator IT ;
+
+	boost::mutex::scoped_lock lockAH(m_map->attributeHandlersMutex);
 	std::pair<IT, IT> bounds = m_map->attributeHandlers.equal_range(m_attrib) ;
 	for(IT i = bounds.first; i != bounds.second; ++i)
 	{

include/Topology/generic/genericmap.h

@@ -33,6 +33,8 @@
 #include <list>
 #include <vector>
 #include <map>
+#include <boost/thread/mutex.hpp>
+
 
 #include "Container/attributeContainer.h"
 
@@ -113,6 +115,8 @@ protected:
 	 * Store links to created AttributeHandlers, DartMarkers and CellMarkers
 	 */
 	std::multimap<AttributeMultiVectorGen*, AttributeHandlerGen*> attributeHandlers ; // TODO think of MT (AttributeHandler creation & release are not thread safe!
+	boost::mutex attributeHandlersMutex;
+
 	std::vector<DartMarkerGen*> dartMarkers[NB_THREAD] ;
 	std::vector<CellMarkerGen*> cellMarkers[NB_THREAD] ;