Fixing parallelization of loading of global attachments in special

cases.
UG4 · Oct 5, 2023 · 303a7cd · 303a7cd
1 parent 911ad5e
commit 303a7cd
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/ugbase/lib_grid/global_attachments.h b/ugbase/lib_grid/global_attachments.h
@@ -129,6 +129,8 @@ class GlobalAttachments {
 		#ifdef UG_PARALLEL
 		static void SynchronizeDeclaredGlobalAttachments(Grid& grid, int procId)
 		{
+			if (procId < 0) return; // this is not a parallel run
+
 			//declare global attachments on all processors
 			pcl::ProcessCommunicator procComm;
 			std::vector<std::string> possible_attachment_names = GlobalAttachments::declared_attachment_names();