From d25bae42a7292fab3fcfd19961eaf248f44d8c78 Mon Sep 17 00:00:00 2001
From: Romain Neutron <imprec@gmail.com>
Date: Mon, 5 Nov 2012 15:16:33 +0100
Subject: [PATCH] Fix #990 : add check on posix support for pcntl

---
 lib/classes/setup.class.php          |  3 ++-
 lib/classes/task/Scheduler.class.php |  3 +--
 lib/classes/task/manager.class.php   | 10 ++++++++++
 3 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/lib/classes/setup.class.php b/lib/classes/setup.class.php
index f12e9cc451..83c6bf02d1 100644
--- a/lib/classes/setup.class.php
+++ b/lib/classes/setup.class.php
@@ -39,6 +39,7 @@ class setup
         , 'pcntl'
         , "PDO"
         , "phrasea2"
+        , 'posix'
         , "SimpleXML"
         , "sockets"
         , "xml"
@@ -375,7 +376,7 @@ class setup
         $constraints = array();
         foreach (self::$PHP_EXT as $ext) {
 
-            if ('pcntl' === $ext && 0 === stripos(strtolower(PHP_OS), 'win')) {
+            if (in_array($ext, array('pcntl', 'posix')) && defined('PHP_WINDOWS_VERSION_BUILD')) {
                 continue;
             }
 
diff --git a/lib/classes/task/Scheduler.class.php b/lib/classes/task/Scheduler.class.php
index 26193a9477..85f2ef2745 100755
--- a/lib/classes/task/Scheduler.class.php
+++ b/lib/classes/task/Scheduler.class.php
@@ -65,10 +65,9 @@ class task_Scheduler
             $nullfile = 'NUL';
         }
 
-        if (function_exists('pcntl_fork')) {
+        if (\task_manager::isPosixPcntlSupported()) {
             // avoid <defunct> php when a task ends
             pcntl_signal(SIGCHLD, SIG_IGN);
-
             $this->method = self::METHOD_FORK;
         }
 
diff --git a/lib/classes/task/manager.class.php b/lib/classes/task/manager.class.php
index 06044025cb..02c505bc3a 100755
--- a/lib/classes/task/manager.class.php
+++ b/lib/classes/task/manager.class.php
@@ -193,6 +193,16 @@ class task_manager
         return $ret;
     }
 
+    /**
+     * Returns true if Pcntl posix supported is enabled, false otherwise
+     *
+     * @return Boolean
+     */
+    public static function isPosixPcntlSupported()
+    {
+        return extension_loaded('pcntl') && extension_loaded('posix');
+    }
+
     public static function getAvailableTasks()
     {
         $taskdir = array(