nobu	2014-08-14 11:26:56 +0900 (Thu, 14 Aug 2014)

  New Revision: 47178

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=47178

  Log:
    test_io.rb: investigation
    
    * test/ruby/test_io.rb (test_readpartial_locktmp): check if the
      reader thread is alive before write.

  Modified files:
    trunk/test/ruby/test_io.rb
Index: test/ruby/test_io.rb
===================================================================
--- test/ruby/test_io.rb	(revision 47177)
+++ test/ruby/test_io.rb	(revision 47178)
@@ -2862,9 +2862,10 @@ End https://github.com/ruby/ruby/blob/trunk/test/ruby/test_io.rb#L2862
       Thread.pass until th.stop?
       buf.replace("")
       assert_empty(buf, bug6099)
+      th.join rescue ($@.concat(caller); raise) unless th.alive?
       w.write(data)
       Thread.pass while th.alive?
-      th.join
+      th.join rescue ($@.concat(caller); raise)
     end
     assert_equal(data, buf, bug6099)
   rescue RuntimeError # can't modify string; temporarily locked

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