From f7c9c07973ff5a1041036478fcae87f77457d737 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 14 Sep 2010 15:13:43 +0200
Subject: Use __thread keyword if available

---
 odb/details/config.h.in |  2 ++
 odb/details/tls.hxx     | 28 +++++++++++++++++++++++++++-
 2 files changed, 29 insertions(+), 1 deletion(-)

(limited to 'odb/details')

diff --git a/odb/details/config.h.in b/odb/details/config.h.in
index a55352a..acab724 100644
--- a/odb/details/config.h.in
+++ b/odb/details/config.h.in
@@ -12,6 +12,8 @@
 #undef ODB_THREADS_NONE
 #undef ODB_THREADS_POSIX
 #undef ODB_THREADS_WIN32
+#undef ODB_THREADS_TLS_KEYWORD
+#undef ODB_THREADS_TLS_DECLSPEC
 
 #undef LIBODB_STATIC_LIB
 
diff --git a/odb/details/tls.hxx b/odb/details/tls.hxx
index 2ed68ab..2c19081 100644
--- a/odb/details/tls.hxx
+++ b/odb/details/tls.hxx
@@ -54,7 +54,33 @@ namespace odb
 #elif defined(ODB_THREADS_POSIX)
 
 #  include <odb/details/posix/tls.hxx>
-#  define ODB_TLS_POINTER(type) tls<type*>
+
+#  ifdef ODB_THREADS_TLS_KEYWORD
+#    define ODB_TLS_POINTER(type) __thread type*
+
+namespace odb
+{
+  namespace details
+  {
+    template <typename T>
+    inline T*
+    tls_get (T* p)
+    {
+      return p;
+    }
+
+    template <typename T>
+    inline void
+    tls_set (T*& rp, T* p)
+    {
+      rp = p;
+    }
+  }
+}
+
+#  else
+#    define ODB_TLS_POINTER(type) tls<type*>
+#  endif
 #  define ODB_TLS_OBJECT(type) tls<type>
 
 #elif defined(ODB_THREADS_WIN32)
-- 
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