From 0e2ae18a97fd507bac872031888d34c3a7d8b17b Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 3 Sep 2010 16:20:38 +0200
Subject: Implement Win32 TLS support

---
 odb/details/win32/tls.txx | 87 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 odb/details/win32/tls.txx

(limited to 'odb/details/win32/tls.txx')

diff --git a/odb/details/win32/tls.txx b/odb/details/win32/tls.txx
new file mode 100644
index 0000000..f20b6a9
--- /dev/null
+++ b/odb/details/win32/tls.txx
@@ -0,0 +1,87 @@
+// 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);
+    }
+  }
+}
-- 
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