1 files changed, 78 insertions, 0 deletions
diff --git a/ACE/ace/Monitor_Control/Windows_Monitor.h b/ACE/ace/Monitor_Control/Windows_Monitor.h
new file mode 100644
index 00000000000..9a00d24536e
--- /dev/null
+++ b/ACE/ace/Monitor_Control/Windows_Monitor.h
@@ -0,0 +1,78 @@
+// -*- C++ -*-
+
+//=============================================================================
+/**
+ * @file Windows_Monitor.h
+ *
+ * $Id$
+ *
+ * @author Jeff Parsons <j.parsons@vanderbilt.edu>
+ */
+//=============================================================================
+
+#ifndef WINDOWS_MONITOR_H
+#define WINDOWS_MONITOR_H
+
+#include /**/ "ace/pre.h"
+
+#include "ace/SString.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+#pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#include "ace/os_include/os_pdh.h"
+
+#include "ace/Monitor_Control/Monitor_Control_export.h"
+
+#if defined (ACE_HAS_WIN32_PDH)
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+namespace ACE
+{
+  namespace Monitor_Control
+  {
+    /**
+     * @class Windows_Monitor
+     *
+     * @brief Mixin class for concrete monitors compiled on Windows machines.
+     */
+    class MONITOR_CONTROL_Export Windows_Monitor
+    {
+      friend class Windows_Multi_Instance_Monitor;
+
+    protected:
+      Windows_Monitor (const ACE_TCHAR *path);
+
+      /// Platform-specific implementation.
+      void update_i (void);
+
+      /// Platform-specific reset.
+      void clear_impl (void);
+
+    protected:
+      double value_;
+
+    private:
+      /// Code common to constructor and clear_impl().
+      void init (void);
+
+    /// Make these persistent as members so they don't have to be
+    /// created & destroyed with each update.
+    private:
+      ACE_TString path_;
+      HQUERY query_;
+      HCOUNTER counter_;
+      PDH_STATUS status_;
+    };
+  }
+}
+
+ACE_END_VERSIONED_NAMESPACE_DECL
+
+#include /**/ "ace/post.h"
+
+#endif /* defined (ACE_HAS_WIN32_PDH) */
+
+#endif // WINDOWS_MONITOR_H