From 419f8f46e5130722f178e7d3dcc40a451ed3c1a1 Mon Sep 17 00:00:00 2001
From: Yoann Audouin <yoann.audouin@edf.fr>
Date: Mon, 16 Jan 2023 10:41:35 +0100
Subject: [PATCH] More comments

---
 src/SMESH/SMESH_subMesh.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/SMESH/SMESH_subMesh.cxx b/src/SMESH/SMESH_subMesh.cxx
index 76dfb83e1..bc3aa8792 100644
--- a/src/SMESH/SMESH_subMesh.cxx
+++ b/src/SMESH/SMESH_subMesh.cxx
@@ -1515,7 +1515,8 @@ bool SMESH_subMesh::ComputeStateEngine(compute_event event)
         TopoDS_Shape shape = _subShape;
         algo->setSubMeshesToCompute(this);
         // check submeshes needed
-        // In parallel there would be no submesh to check
+        // When computing in parallel mode we do not have a additional layer of submesh
+        // The check should not be done in parallel as that check is not thread-safe
         if (_father->HasShapeToMesh() && !_father->IsParallel()) {
           bool subComputed = false, subFailed = false;
           if (!algo->OnlyUnaryInput()) {
-- 
2.39.2