1 files changed, 50 insertions, 0 deletions
diff --git a/libodb/odb/details/win32/once.hxx b/libodb/odb/details/win32/once.hxx
new file mode 100644
index 0000000..45748b8
--- /dev/null
+++ b/libodb/odb/details/win32/once.hxx
@@ -0,0 +1,50 @@
+// file      : odb/details/win32/once.hxx
+// 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 <odb/details/win32/windows.hxx>
+#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:
+      bool called_;
+    };
+
+    // Low-level, POSIX-like API that can be used safely during static
+    // initialization (that is, win32_once() can be called during static
+    // initialization) provided once_process_start() has been called.
+    //
+    typedef unsigned int win32_once_t;
+    const win32_once_t WIN32_ONCE_INIT = 0;
+
+    LIBODB_EXPORT void
+    win32_once (win32_once_t&, void (*func) ());
+
+    extern LIBODB_EXPORT CRITICAL_SECTION win32_once_cs_;
+  }
+}
+
+#include <odb/details/win32/once.ixx>
+
+#include <odb/post.hxx>
+
+#endif // ODB_DETAILS_WIN32_ONCE_HXX