Close OpenEXR thread pool on exit

This partially solves ASAN report about unfreed memory. There is still
something in the report, need to have a closer look with debug version
of OpenEXE library.

1 files changed, 8 insertions, 0 deletions

diff --git a/source/blender/imbuf/intern/openexr/openexr_api.cpp b/source/blender/imbuf/intern/openexr/openexr_api.cpp
index e8e6e0576ed..bad5e0efd65 100644
--- a/source/blender/imbuf/intern/openexr/openexr_api.cpp
+++ b/source/blender/imbuf/intern/openexr/openexr_api.cpp
@@ -1921,4 +1921,12 @@ void imb_initopenexr(void)
 	setGlobalThreadCount(num_threads);
 }
 
+void imb_exitopenexr(void)
+{
+	/* Tells OpenEXR to free thread pool, also ensures there is no running
+	 * tasks.
+	 */
+	setGlobalThreadCount(0);
+}
+
 } // export "C"