new test for mp

Multiprocessing test/queue_test.py

@@ -0,0 +1,45 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+import multiprocessing
+import queue
+
+
+running = multiprocessing.Value('i', 1)
+request = multiprocessing.JoinableQueue()
+response = multiprocessing.Queue(1)
+
+work=[]
+
+def worker(request, response):
+    #try:
+    param = request.get(timeout=0.1)
+    if param.empty()
+    # Imagine heavy computation here.
+    #except queue.Empty:
+    # To check running flag.
+    response.put("work_done")
+    else:
+        result = param ** 2
+        response.put(result)
+
+
+def main():
+    for n in range(10):
+        work.append(n)
+    process = multiprocessing.Process(target=worker, args=(request, response))
+    process.start()
+    for i in work:
+        print("Queueing {}".format(i))
+        request.put(i)
+    result = response.get()
+    #if result != "work_done":
+    while result != "work_done":
+        print('Result', result)
+    process.join()
+
+
+if __name__ == '__main__':
+  main()
+