main/science/misc/opencascade/files/opencascade-7.5.0-fix_tbb.patch

From: kgv <kgv@opencascade.com>
Date: Mon, 29 Nov 2021 18:26:45 +0000 (+0300)
Subject: 0032697: Configuration - fix compilation errors with oneTBB 2021
X-Git-Url: http://git.dev.opencascade.org/gitweb/?p=occt.git;a=commitdiff_plain;h=740833a6a88e481f474783c426b6f6311ed586d3

0032697: Configuration - fix compilation errors with oneTBB 2021

Removed usage of no more existing tbb::task_scheduler_init and tbb::captured_exception.
---

diff --git a/src/OSD/OSD_Parallel_TBB.cxx b/src/OSD/OSD_Parallel_TBB.cxx
index 2344a6ca2d..0b9022b576 100644
--- a/src/OSD/OSD_Parallel_TBB.cxx
+++ b/src/OSD/OSD_Parallel_TBB.cxx
@@ -25,7 +25,9 @@ Standard_DISABLE_DEPRECATION_WARNINGS
 #include <tbb/parallel_for.h>
 #include <tbb/parallel_for_each.h>
 #include <tbb/blocked_range.h>
-#include <tbb/task_scheduler_init.h>
+#if TBB_VERSION_MAJOR < 2021
+  #include <tbb/task_scheduler_init.h>
+#endif
 Standard_ENABLE_DEPRECATION_WARNINGS
 
 //=======================================================================
@@ -38,12 +40,16 @@ void OSD_Parallel::forEachExternal (UniversalIterator& theBegin,
                                     const FunctorInterface& theFunctor,
                                     Standard_Integer theNbItems)
 {
+#if TBB_VERSION_MAJOR >= 2021
+  // task_scheduler_init is removed,
+  // exceptions are captured without proxy tbb::captured_exception object
+  (void )theNbItems;
+  tbb::parallel_for_each (theBegin, theEnd, theFunctor);
+#else
   try
   {
     const Handle(OSD_ThreadPool)& aThreadPool = OSD_ThreadPool::DefaultPool();
-    const Standard_Integer aNbThreads = theNbItems > 0 ?
-      aThreadPool->NbDefaultThreadsToLaunch() : -1;
-
+    const Standard_Integer aNbThreads = theNbItems > 0 ? aThreadPool->NbDefaultThreadsToLaunch() : -1;
     tbb::task_scheduler_init aScheduler (aNbThreads);
     tbb::parallel_for_each (theBegin, theEnd, theFunctor);
   }
@@ -51,6 +57,7 @@ void OSD_Parallel::forEachExternal (UniversalIterator& theBegin,
   {
     throw Standard_ProgramError (anException.what());
   }
+#endif
 }
 
 #endif /* HAVE_TBB */