Merge pull request #678 from systemed/shp_threads

Fix thread safety issue with shapefile index
systemed · Feb 11, 2024 · 8156369 · 8156369
2 parents b1369ab + cf7ea88
commit 8156369
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/shp_processor.cpp b/src/shp_processor.cpp
@@ -157,7 +157,10 @@ void ShpProcessor::read(class LayerDef &layer, uint layerNum)
 			// process attributes
 			string name;
 			bool hasName = false;
-			if (indexField>-1) { name=DBFReadStringAttribute(dbf, i, indexField); hasName = true;}
+			if (indexField>-1) { 
+				std::lock_guard<std::mutex> lock(attributeMutex);
+				name=DBFReadStringAttribute(dbf, i, indexField); hasName = true;
+			}
 			AttributeIndex attrIdx = readShapefileAttributes(dbf, i, columnMap, columnTypeMap, layer, layer.minzoom);
 			// process geometry
 			processShapeGeometry(shape, attrIdx, layer, layerNum, hasName, name);