1 files changed, 47 insertions, 0 deletions
diff --git a/winsup/cygwin/hires.h b/winsup/cygwin/hires.h
new file mode 100644
index 000000000..611b2df0d
--- /dev/null
+++ b/winsup/cygwin/hires.h
@@ -0,0 +1,47 @@
+/* hires.h: Definitions for hires clock calculations
+
+   Copyright 2002 Red Hat, Inc.
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#ifndef __HIRES_H__
+#define __HIRES_H__
+
+#include <mmsystem.h>
+
+class hires_base
+{
+ protected:
+  int inited;
+  virtual void prime () {}
+ public:
+  virtual LONGLONG usecs (bool justdelta) {return 0LL;}
+  virtual ~hires_base () {}
+};
+
+class hires_us : hires_base
+{
+  LARGE_INTEGER primed_ft;
+  LARGE_INTEGER primed_pc;
+  double freq;
+  void prime ();
+ public:
+  LONGLONG usecs (bool justdelta);
+};
+
+class hires_ms : hires_base
+{
+  DWORD initime_ms;
+  LARGE_INTEGER initime_us;
+  UINT minperiod;
+  void prime ();
+ public:
+  LONGLONG usecs (bool justdelta);
+  ~hires_ms ();
+};
+  
+#endif /*__HIRES_H__*/