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+// file : odb/details/win32/tls.txx
+// author : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+#include <memory> // std::auto_ptr
+
+#include <odb/details/win32/exceptions.hxx>
+
+using namespace std;
+
+namespace odb
+{
+ namespace details
+ {
+ // tls<T>
+ //
+ template <typename T>
+ once tls<T>::once_;
+
+ template <typename T>
+ size_t tls<T>::key_;
+
+ template <typename T>
+ T& tls<T>::
+ get () const
+ {
+ once_.call (key_init);
+ void* v (_get (key_));
+
+ if (v != 0)
+ return *static_cast<T*> (v);
+
+ auto_ptr<T> p (new T);
+ _set (key_, p.get ());
+
+ T& r (*p);
+ p.release ();
+ return r;
+ }
+
+ template <typename T>
+ void tls<T>::
+ key_init ()
+ {
+ key_ = _allocate (destructor);
+ }
+
+ template <typename T>
+ void tls<T>::
+ destructor (void* v)
+ {
+ delete static_cast<T*> (v);
+ }
+
+ // tls<T*>
+ //
+ template <typename T>
+ once tls<T*>::once_;
+
+ template <typename T>
+ size_t tls<T*>::key_;
+
+ template <typename T>
+ T* tls<T*>::
+ get () const
+ {
+ once_.call (key_init);
+ return static_cast<T*> (_get (key_));
+ }
+
+ template <typename T>
+ void tls<T*>::
+ set (T* p)
+ {
+ once_.call (key_init);
+ _set (key_, p);
+ }
+
+ template <typename T>
+ void tls<T*>::
+ key_init ()
+ {
+ key_ = _allocate (0);
+ }
+ }
+}