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Use nanoTime instead of currentTimeMillis for elapsed time #21

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Use nanoTime instead of currentTimeMillis for elapsed time #21

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14 changes: 7 additions & 7 deletions src/durable_queue.clj
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Original file line number Diff line number Diff line change
Expand Up @@ -561,10 +561,10 @@
(while (.get ref)
(when-let [q (.get ref)]
(try
(let [start (System/currentTimeMillis)]
(let [start (System/nanoTime)]
(fsync q)
(let [end (System/currentTimeMillis)]
(Thread/sleep (max 0 (- fsync-interval (- end start))))))
(let [end (System/nanoTime)]
(Thread/sleep (max 0 (- (* 1000000 fsync-interval) (- end start))))))
(catch Throwable e
)))))))

Expand Down Expand Up @@ -758,16 +758,16 @@
"Returns a lazy sequence of tasks that can be consumed in `interval` milliseconds. This will
terminate after that time has elapsed, even if there are still tasks immediately available."
[qs q-name interval]
(let [now (System/currentTimeMillis)]
(let [now (System/nanoTime)]
(lazy-seq
(let [now' (System/currentTimeMillis)
remaining (- interval (- now' now))]
(let [now' (System/nanoTime)
remaining (- (* 1000000 interval) (- now' now))]
(when (pos? remaining)
(let [task (take! qs q-name remaining ::none)]
(when-not (= ::none task)
(cons
task
(interval-task-seq qs q-name (- interval (- (System/currentTimeMillis) now)))))))))))
(interval-task-seq qs q-name (- (* 1000000 interval) (- (System/nanoTime) now)))))))))))

(defn complete!
"Marks a task as complete."
Expand Down