[tbb] Fixing TBB memory leak caused by TBB's asynchronous destruction…

… of arenas and streams if not explicitly initialized in a context before a ttb::parallel_for.
shiinamiyuki · Dec 7, 2023 · 5d47433 · 5d47433
1 parent 458aa5f
commit 5d47433
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/openpgl/field/SurfaceVolumeField.h b/openpgl/field/SurfaceVolumeField.h
@@ -101,6 +101,11 @@ struct SurfaceVolumeField: public ISurfaceVolumeField
 
     void updateField(SampleContainer& samplesSurface, SampleContainer& samplesVolume) override
     {
+    #if TBB_INTERFACE_VERSION < 12010
+        // we need to initialize the task_scheduler in the context to avoid
+        // asyncronous deconsrution of the implicit initialized tbb::arenas and tbb::streams
+        tbb::task_scheduler_init anonymous;
+    #endif
         if(samplesSurface.size() > 0) {
             if(!m_surfaceField.isInitialized()) {
                 m_surfaceField.buildField(samplesSurface);