From d3b385c561eb3e4dd3ce0ba03a94768f16075605 Mon Sep 17 00:00:00 2001
From: Sebastian Eibl <sebastian.eibl@fau.de>
Date: Mon, 9 Mar 2020 14:26:31 +0100
Subject: [PATCH] [BUGFIX] potential deadlock
When processes contain no blocks after refinement the neighbor list
is not correctly reset.
---
src/mesa_pd/domain/BlockForestDomain.cpp | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/mesa_pd/domain/BlockForestDomain.cpp b/src/mesa_pd/domain/BlockForestDomain.cpp
index 12e341fd9..cf5305270 100644
--- a/src/mesa_pd/domain/BlockForestDomain.cpp
+++ b/src/mesa_pd/domain/BlockForestDomain.cpp
@@ -45,11 +45,13 @@ void BlockForestDomain::refresh()
periodic_[1] = blockForest_->isPeriodic(1);
periodic_[2] = blockForest_->isPeriodic(2);
- if (blockForest_->empty()) return;
-
localAABBs_.clear();
neighborSubdomains_.clear();
neighborProcesses_.clear();
+ unionOfLocalAABBs_ = math::AABB(Vec3(real_t(0)), Vec3(real_t(0)));
+
+ if (blockForest_->empty()) return;
+
unionOfLocalAABBs_ = blockForest_->begin()->getAABB();
for (auto& iBlk : *blockForest_)
{
--
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