From e82a05d3e7f6c01d049a0fcdfa47ba271648eca6 Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Sun, 8 Apr 2012 20:27:37 +0200
Subject: [PATCH] [Process] Close pipes before calling proc_close to avoid
 deadlocks as advised on the proc_close php.net documentation

---
 src/Symfony/Component/Process/Process.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Symfony/Component/Process/Process.php b/src/Symfony/Component/Process/Process.php
index e1b6b08250..c7df0171a5 100644
--- a/src/Symfony/Component/Process/Process.php
+++ b/src/Symfony/Component/Process/Process.php
@@ -503,6 +503,12 @@ class Process
                 $time += 1000;
                 usleep(1000);
             }
+
+            foreach ($this->pipes as $pipe) {
+                fclose($pipe);
+            }
+            $this->pipes = array();
+
             $exitcode = proc_close($this->process);
             $this->exitcode = -1 === $this->processInformation['exitcode'] ? $exitcode : $this->processInformation['exitcode'];
         }