Fix crash at study closing. Enable canceling Prism 3D computation

diff --git a/src/SMESHDS/SMESHDS_TSubMeshHolder.hxx b/src/SMESHDS/SMESHDS_TSubMeshHolder.hxx
index b6fa226da3006dbaf377c5b004ff655652d299d3..52c9eb2c4ba9ada3315e23332504da861587d579 100644 (file)
--- a/src/SMESHDS/SMESHDS_TSubMeshHolder.hxx
+++ b/src/SMESHDS/SMESHDS_TSubMeshHolder.hxx
@@ -74,12 +74,20 @@ public:
   void DeleteAll()
   {
     for ( size_t i = 0; i < myVec.size(); ++i )
-      delete myVec[i];
+      if ( SUBMESH* sm = myVec[i] )
+      {
+        myVec[i] = 0; // avoid access via Get(i)
+        delete sm;
+      }
     myVec.clear();
 
     typename std::map< int, SUBMESH* >::iterator i2sm = myMap.begin();
     for ( ; i2sm != myMap.end(); ++i2sm )
-      delete i2sm->second;
+      if ( SUBMESH* sm = i2sm->second )
+      {
+        i2sm->second = 0; // avoid access via Get(i)
+        delete sm;
+      }
     myMap.clear();
   }
   int GetMinID() const

diff --git a/src/StdMeshers/StdMeshers_Prism_3D.cxx b/src/StdMeshers/StdMeshers_Prism_3D.cxx
index 99fdbe90fc90f2844f79c88dd166a62dde373ff6..afac9bebe4ec2cc0f4dad6359f90c5ccb5a9aa2f 100644 (file)
--- a/src/StdMeshers/StdMeshers_Prism_3D.cxx
+++ b/src/StdMeshers/StdMeshers_Prism_3D.cxx
@@ -1203,6 +1203,9 @@ bool StdMeshers_Prism_3D::compute(const Prism_3D::TPrismTopo& thePrism)
         // create a node
         node = meshDS->AddNode( coords.X(), coords.Y(), coords.Z() );
         meshDS->SetNodeInVolume( node, volumeID );
+
+        if ( _computeCanceled )
+          return false;
       }
     } // loop on bottom nodes
   }