check the pipe property (#653)

phingofficial · Jan 23, 2017 · 68e4eed · 68e4eed
1 parent ae2f683
commit 68e4eed
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/classes/phing/contrib/DocBlox/Parallel/Manager.php b/classes/phing/contrib/DocBlox/Parallel/Manager.php
@@ -234,7 +234,9 @@ protected function stopExecution(array &$processes)
 
         /** @var DocBlox_Parallel_Worker $worker */
         foreach ($this as $worker) {
-            $worker->pipe->push();
+            if (isset($worker->pipe)) {
+                $worker->pipe->push();
+            }
         }
 
         $this->is_running = false;