From 109721c4662ca60a388da34e016436c3798797f1 Mon Sep 17 00:00:00 2001
From: deepj <deepjungle.maca@gmail.com>
Date: Sat, 10 Jan 2015 16:37:29 +0100
Subject: Better fork detection in ActiveSupport::Testing::Isolation

Process.respond_to?(:fork) returns false if fork is not available.
More on http://www.ruby-doc.org/core-2.0.0/Process.html#method-c-fork
---
 activesupport/lib/active_support/testing/isolation.rb | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'activesupport/lib')

diff --git a/activesupport/lib/active_support/testing/isolation.rb b/activesupport/lib/active_support/testing/isolation.rb
index 68bda35980..247df7423b 100644
--- a/activesupport/lib/active_support/testing/isolation.rb
+++ b/activesupport/lib/active_support/testing/isolation.rb
@@ -1,5 +1,3 @@
-require 'rbconfig'
-
 module ActiveSupport
   module Testing
     module Isolation
@@ -12,7 +10,7 @@ module ActiveSupport
       end
 
       def self.forking_env?
-        !ENV["NO_FORK"] && ((RbConfig::CONFIG['host_os'] !~ /mswin|mingw/) && (RUBY_PLATFORM !~ /java/))
+        !ENV["NO_FORK"] && Process.respond_to?(:fork)
       end
 
       @@class_setup_mutex = Mutex.new
-- 
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