From 11e2a216c513e302e6bc1c475c40b7717fbb8ed0 Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.a.alekhin@gmail.com>
Date: Wed, 10 Oct 2018 18:04:39 +0000
Subject: [PATCH] ocl(win32): bypass deallocate() during process termination

---
 modules/core/src/ocl.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/core/src/ocl.cpp b/modules/core/src/ocl.cpp
index 0e98c08659..42aaf8da29 100644
--- a/modules/core/src/ocl.cpp
+++ b/modules/core/src/ocl.cpp
@@ -4779,6 +4779,10 @@ public:
 
     void deallocate_(UMatData* u) const
     {
+#ifdef _WIN32
+        if (cv::__termination)  // process is not in consistent state (after ExitProcess call) and terminating
+            return;             // avoid any OpenCL calls
+#endif
         if(u->tempUMat())
         {
             CV_Assert(u->origdata);