1 files changed, 32 insertions, 0 deletions
diff --git a/src/jake2/sys/HighPrecisionTimer.java b/src/jake2/sys/HighPrecisionTimer.java
new file mode 100644
index 0000000..a8a0201
--- /dev/null
+++ b/src/jake2/sys/HighPrecisionTimer.java
@@ -0,0 +1,32 @@
+/*
+ * HighPrecisionTimer.java
+ * Copyright (C) 2005
+ * 
+ * $Id: HighPrecisionTimer.java,v 1.1 2005-07-01 14:11:00 hzi Exp $
+ */
+package jake2.sys;
+
+import sun.misc.Perf;
+
+
+
+
+class HighPrecisionTimer extends Timer {
+
+	private Perf perf = Perf.getPerf();
+	private double f = 1000.0 / perf.highResFrequency();
+	private long base;
+	
+	HighPrecisionTimer() {
+		base = perf.highResCounter();
+	}
+	
+	public long currentTimeMillis() {
+		long time = perf.highResCounter();
+		long delta = time - base;
+		if (delta < 0) {
+			delta += Long.MAX_VALUE + 1;
+		}
+		return (long)(delta * f);
+	}
+}