From 4fe9abcc0ece443e6ed30d875f922794d9608398 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joachim=20Sch=C3=B6berl?= <joachim.schoeberl@tuwien.ac.at>
Date: Thu, 17 Aug 2017 20:20:30 +0200
Subject: [PATCH] atomic workaround

---
 libsrc/meshing/meshclass.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/libsrc/meshing/meshclass.cpp b/libsrc/meshing/meshclass.cpp
index 1db47a41..f5414e35 100644
--- a/libsrc/meshing/meshclass.cpp
+++ b/libsrc/meshing/meshclass.cpp
@@ -350,10 +350,18 @@ namespace netgen
     */
 
     // add lock-free to list
+    /*
     surfelements[sei].next = facedecoding[el.index-1].firstelement;
     auto & head = reinterpret_cast<atomic<SurfaceElementIndex>&> (facedecoding[el.index-1].firstelement);
     while (!head.compare_exchange_weak (surfelements[sei].next, sei))
       ;
+    */
+    surfelements[sei].next = facedecoding[el.index-1].firstelement;
+    auto & head = reinterpret_cast<atomic<int>&> (facedecoding[el.index-1].firstelement);
+    auto & next = reinterpret_cast<int&> (surfelements[sei].next);
+    while (!head.compare_exchange_weak (next, sei))
+      ;
+
     
     /*
     if (SurfaceArea().Valid())