From 40438b3b88d7164f3c18f463ee1587bde9ad8ef4 Mon Sep 17 00:00:00 2001
From: Raza Mehdi <srmk@outlook.com>
Date: Tue, 13 Sep 2016 20:01:09 +0500
Subject: [PATCH] Fix pcntl extension error for queue (#15393)

---
 src/Illuminate/Queue/Console/ListenCommand.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/Illuminate/Queue/Console/ListenCommand.php b/src/Illuminate/Queue/Console/ListenCommand.php
index 67de1d16e27e..921b3e9095cd 100755
--- a/src/Illuminate/Queue/Console/ListenCommand.php
+++ b/src/Illuminate/Queue/Console/ListenCommand.php
@@ -2,6 +2,7 @@
 
 namespace Illuminate\Queue\Console;
 
+use RuntimeException;
 use Illuminate\Queue\Listener;
 use Illuminate\Console\Command;
 use Symfony\Component\Console\Input\InputOption;
@@ -47,6 +48,8 @@ public function __construct(Listener $listener)
      * Execute the console command.
      *
      * @return void
+     *
+     * @throws \RuntimeException
      */
     public function fire()
     {
@@ -63,6 +66,10 @@ public function fire()
 
         $timeout = $this->input->getOption('timeout');
 
+        if ($timeout && ! function_exists('pcntl_fork')) {
+            throw new RuntimeException('Timeouts not supported without the pcntl_fork extension.');
+        }
+
         // We need to get the right queue for the connection which is set in the queue
         // configuration file for the application. We will pull it based on the set
         // connection being run for the queue operation currently being executed.