--- a
+++ b/src/chrono.h
@@ -0,0 +1,41 @@
+#ifndef _CHRONO_H_
+#define _CHRONO_H_
+
+/** Easy interface to measuring time intervals */
+class Chrono {
+public:
+ /** Initialize, setting the origin time */
+ Chrono();
+
+ /** Re-store current time and return mS since init or last call */
+ long restart();
+ /** Re-store current time and return uS since init or last call */
+ long urestart();
+
+ /** Snapshot current time to static storage */
+ static void refnow();
+
+ /** Return interval value in various units.
+ *
+ * Frozen means give time since the last refnow call (this is to
+ * allow for using one actual system call to get values from many
+ * chrono objects, like when examining timeouts in a queue
+ */
+ long millis(bool frozen = false);
+ long micros(bool frozen = false);
+ float secs(bool frozen = false);
+
+ /** Return current orig */
+ long long amicros() const;
+
+ struct TimeSpec {
+ time_t tv_sec; /* Time in seconds */
+ long tv_nsec; /* And nanoseconds (< 10E9) */
+ };
+
+private:
+ TimeSpec m_orig;
+ static TimeSpec o_now;
+};
+
+#endif /* _CHRONO_H_ */