From cb4bba380b092b64ad08d4b9067485df5a32566f Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 3 Jun 2010 04:05:20 +0000
Subject: [PATCH] * test/io/nonblock/test_flush.rb (test_flush): try pipe and  
 socketpair.  [ruby-dev:41517]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@28143 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog                      |  5 +++++
 test/io/nonblock/test_flush.rb | 13 +++++++++++--
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 5b8f9c8100..6d9d69d648 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Jun  3 13:05:15 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* test/io/nonblock/test_flush.rb (test_flush): try pipe and
+	  socketpair.  [ruby-dev:41517]
+
 Thu Jun  3 09:39:54 2010  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* ext/dl/dl.h (DLSTACK_TYPE): type of stack is same as VALUE.
diff --git a/test/io/nonblock/test_flush.rb b/test/io/nonblock/test_flush.rb
index 2217dbcec9..5dc55a67fe 100644
--- a/test/io/nonblock/test_flush.rb
+++ b/test/io/nonblock/test_flush.rb
@@ -7,8 +7,17 @@ end
 
 class TestIONonblock < Test::Unit::TestCase
   def test_flush
-    r,w = IO.pipe
-    w.nonblock = true
+    flush_test(*IO.pipe) or
+      (require 'socket'; flush_test(*Socket.pair(:INET, :STREAM))) or
+      skip "nonblocking IO did not work"
+  end
+
+  def flush_test(r, w)
+    begin
+      w.nonblock = true
+    rescue Errno::EBADF
+      return false
+    end
     w.sync = false
     w << "b"
     w.flush