Making flag thread safe

henrykironde · Sep 1, 2016 · f3c1d25 · f3c1d25
1 parent 6d1d2bf
commit f3c1d25
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/Source/Common/Globals.cpp b/Source/Common/Globals.cpp
@@ -7,6 +7,6 @@
 
 namespace Microsoft { namespace MSR { namespace CNTK {
 
-    bool Globals::m_forceDeterministicAlgorithms = false;
+    std::atomic<bool> Globals::m_forceDeterministicAlgorithms = false;
 
 }}}
diff --git a/Source/Common/Include/Globals.h b/Source/Common/Include/Globals.h
@@ -5,6 +5,8 @@
 
 #pragma once
 
+#include <atomic>
+
 namespace Microsoft { namespace MSR { namespace CNTK {
 
     // Class containing global configuration for CNTK.
@@ -22,6 +24,6 @@ namespace Microsoft { namespace MSR { namespace CNTK {
         }
 
     private:
-        static bool m_forceDeterministicAlgorithms;
+        static std::atomic<bool> m_forceDeterministicAlgorithms;
     };
 }}}