From 61701ae1675f790ee3f59207283642dbe64c2d37 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 25 Jan 2017 14:34:07 +0000
Subject: io.c: close before wait

* io.c (io_close_fptr): notify then close, and wait for other
  threads before free fptr.  [ruby-core:79262] [Bug #13158]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57422 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_io.rb | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index 4c224a247f..b16662cd42 100644
--- a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -3397,6 +3397,27 @@ __END__
     end;
   end
 
+  def test_race_closed_stream
+    bug13158 = '[ruby-core:79262] [Bug #13158]'
+    closed = nil
+    IO.pipe do |r, w|
+      thread = Thread.new do
+        begin
+          while r.gets
+          end
+        ensure
+          closed = r.closed?
+        end
+      end
+      sleep 0.01
+      r.close
+      assert_raise_with_message(IOError, /stream closed/) do
+        thread.join
+      end
+      assert_equal(true, closed, "#{bug13158}: stream should be closed")
+    end
+  end
+
   if RUBY_ENGINE == "ruby" # implementation details
     def test_foreach_rs_conversion
       make_tempfile {|t|
-- 
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