STYLE: Use lock_guard<mutex> in ParallelSparseFieldLevelSetImageFilter

Following C++ Core Guidelines, April 13, 2023, "Use RAII, never plain `lock()`/`unlock()`" https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cp20-use-raii-never-plain-lockunlock
InsightSoftwareConsortium · Sep 1, 2023 · 5e1f0cf · 5e1f0cf
1 parent e56c7bd
commit 5e1f0cf
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/Modules/Segmentation/LevelSets/include/itkParallelSparseFieldLevelSetImageFilter.hxx b/Modules/Segmentation/LevelSets/include/itkParallelSparseFieldLevelSetImageFilter.hxx
@@ -2483,11 +2483,10 @@ void
 ParallelSparseFieldLevelSetImageFilter<TInputImage, TOutputImage>::SignalNeighbor(unsigned int SemaphoreArrayNumber,
                                                                                   ThreadIdType ThreadId)
 {
-  ThreadData & td = m_Data[ThreadId];
-  td.m_Lock[SemaphoreArrayNumber].lock();
+  ThreadData &                      td = m_Data[ThreadId];
+  const std::lock_guard<std::mutex> lockGuard(td.m_Lock[SemaphoreArrayNumber]);
   ++td.m_Semaphore[SemaphoreArrayNumber];
   td.m_Condition[SemaphoreArrayNumber].notify_one();
-  td.m_Lock[SemaphoreArrayNumber].unlock();
 }
 
 template <typename TInputImage, typename TOutputImage>