1 files changed, 49 insertions, 0 deletions
diff --git a/odb/details/win32/once.hxx b/odb/details/win32/once.hxx
new file mode 100644
index 0000000..258d5e0
--- /dev/null
+++ b/odb/details/win32/once.hxx
@@ -0,0 +1,49 @@
+// file      : odb/details/win32/once.hxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_DETAILS_WIN32_ONCE_HXX
+#define ODB_DETAILS_WIN32_ONCE_HXX
+
+#include <odb/pre.hxx>
+
+#include <windows.h>
+
+#include <odb/details/export.hxx>
+
+namespace odb
+{
+  namespace details
+  {
+    class LIBODB_EXPORT once
+    {
+    public:
+      once ();
+
+      void
+      call (void (*func) ());
+
+    private:
+      once (const once&);
+      once& operator= (const once&);
+
+    private:
+      friend void
+      once_process_start ();
+
+      friend void
+      once_process_end (bool);
+
+    private:
+      bool called_;
+      static CRITICAL_SECTION cs_;
+    };
+  }
+}
+
+#include <odb/details/win32/once.ixx>
+
+#include <odb/post.hxx>
+
+#endif // ODB_DETAILS_WIN32_ONCE_HXX