AyaNova CE Archive added as recovered from storage during attempt to upgrade a customer from v1.7 to v8!

archive/ayanova 1.9.4 CE final release db schema 171/sp/PerfTimer.cpp

@@ -0,0 +1,38 @@
+// CPerfTimer - a simple Win32 performance counter wrapper
+// by Dean Wyant dwyant@mindspring.com
+
+#include "stdafx.h"
+#include "PerfTimer.h"
+
+// Declare and initialize static member vars that get set only once and never change
+__int64 CPerfTimer::m_Freq = 0; 
+__int64 CPerfTimer::m_Adjust = 0; 
+
+// All functions defined inline for speed. After all, the performance counter is 
+// supposed to be able to time very short events fairly accurately.
+
+
+
+BOOL CPerfTimer::IsSupported()
+{ // Returns FALSE if performance counter not supported.
+  // Call after constructing at least one CPerfTimer
+  return (m_Freq > 1);
+}
+
+const double CPerfTimer::Resolution()   
+{ // Returns timer resolution in seconds
+  return 1.0/(double)m_Freq; 
+}
+
+const double CPerfTimer::Resolutionms() 
+{ // Returns timer resolution in milliseconds
+  return 1000.0/(double)m_Freq; 
+}
+
+const double CPerfTimer::Resolutionus() 
+{ // Returns timer resolution in microseconds
+  return 1000000.0/(double)m_Freq; 
+}
+
+
+