working Process sample

tracker.py

@@ -0,0 +1,34 @@
+import time
+from multiprocessing import Process, Queue, Event
+
+
+class Tracker(Process):
+    def __init__(self):
+        self._queue = Queue()
+        Process.__init__(self, args=(self._queue,))
+        self._quit = Event()
+        self._quit.clear()
+
+    def run(self):
+        print("Running")
+        while not self._quit.is_set():
+            time.sleep(1)
+        print("Closing")
+
+    def get_result(self):
+        pass
+
+    def shutdown(self):
+        self._quit.set()
+
+
+if __name__ == "__main__":
+    p = Tracker()
+    try:
+        p.start()
+        time.sleep(3)
+        p.shutdown()
+    finally:
+        p.join()
+
+