Add MODERN_THREAD_LOCAL check (#573)

dmlc · Oct 18, 2019 · 0e13243 · 0e13243
1 parent 20676bb
commit 0e13243
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/include/dmlc/base.h b/include/dmlc/base.h
@@ -92,6 +92,12 @@
 #endif
 #endif
 
+/*! \brief Whether to use modern thread local construct */
+#ifndef DMLC_MODERN_THREAD_LOCAL
+#define DMLC_MODERN_THREAD_LOCAL 1
+#endif
+
+
 
 /*! \brief whether RTTI is enabled */
 #ifndef DMLC_ENABLE_RTTI

diff --git a/include/dmlc/thread_local.h b/include/dmlc/thread_local.h
@@ -36,7 +36,7 @@ class ThreadLocalStore {
  public:
   /*! \return get a thread local singleton */
   static T* Get() {
-#if DMLC_CXX11_THREAD_LOCAL
+#if DMLC_CXX11_THREAD_LOCAL && DMLC_MODERN_THREAD_LOCAL == 1
     static thread_local T inst;
     return &inst;
 #else