1 files changed, 94 insertions, 0 deletions
diff --git a/libodb/odb/details/win32/tls.txx b/libodb/odb/details/win32/tls.txx
new file mode 100644
index 0000000..96bed4c
--- /dev/null
+++ b/libodb/odb/details/win32/tls.txx
@@ -0,0 +1,94 @@
+// file      : odb/details/win32/tls.txx
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#include <odb/details/unique-ptr.hxx>
+#include <odb/details/win32/exceptions.hxx>
+
+namespace odb
+{
+  namespace details
+  {
+    // tls<T>
+    //
+    template <typename T>
+    win32_once_t tls<T>::once_= WIN32_ONCE_INIT;
+
+    template <typename T>
+    size_t tls<T>::key_;
+
+    template <typename T>
+    T& tls<T>::
+    get () const
+    {
+      win32_once (once_, key_init);
+
+      if (void* v = _get (key_))
+        return *static_cast<T*> (v);
+
+      unique_ptr<T> p (new T);
+      _set (key_, p.get ());
+
+      T& r (*p);
+      p.release ();
+      return r;
+    }
+
+    template <typename T>
+    void tls<T>::
+    free ()
+    {
+      win32_once (once_, key_init);
+
+      if (void* v = _get (key_))
+      {
+        _set (key_, 0);
+        delete static_cast<T*> (v);
+      }
+    }
+
+    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>
+    win32_once_t tls<T*>::once_ = WIN32_ONCE_INIT;
+
+    template <typename T>
+    size_t tls<T*>::key_;
+
+    template <typename T>
+    T* tls<T*>::
+    get () const
+    {
+      win32_once (once_, key_init);
+      return static_cast<T*> (_get (key_));
+    }
+
+    template <typename T>
+    void tls<T*>::
+    set (T* p)
+    {
+      win32_once (once_, key_init);
+      _set (key_, p);
+    }
+
+    template <typename T>
+    void tls<T*>::
+    key_init ()
+    {
+      key_ = _allocate (0);
+    }
+  }
+}