Reset workers list when recreating processes

Also renames some things to be more accurate

lib/ansible/executor/task_queue_manager.py

@@ -93,9 +93,9 @@ class TaskQueueManager:
         # plugins for inter-process locking.
         self._connection_lockfile = tempfile.TemporaryFile()
 
+    def _initialize_processes(self, num):
         self._workers = []
 
-    def _initialize_workers(self, num):
         for i in xrange(num):
             main_q = multiprocessing.Queue()
             rslt_q = multiprocessing.Queue()
@@ -180,7 +180,7 @@ class TaskQueueManager:
         # Fork # of forks, # of hosts or serial, whichever is lowest
         contenders =  [self._options.forks, play.serial, len(self._inventory.get_hosts(play.hosts))]
         contenders =  [ v for v in contenders if v is not None and v > 0 ]
-        self._initialize_workers(min( contenders ))
+        self._initialize_processes(min(contenders))
 
         if not self._callbacks_loaded:
             self.load_callbacks()
@@ -224,16 +224,16 @@ class TaskQueueManager:
 
         # and run the play using the strategy and cleanup on way out
         play_return = strategy.run(iterator, play_context)
-        self._cleanup_workers()
+        self._cleanup_processes()
         return play_return
 
     def cleanup(self):
         self._display.debug("RUNNING CLEANUP")
         self.terminate()
         self._final_q.close()
-        self._cleanup_workers()
+        self._cleanup_processes()
 
-    def _cleanup_workers(self):
+    def _cleanup_processes(self):
         if self._result_prc:
             self._result_prc.terminate()