merge revision(s) 50887,50896,50902: [Backport #11060]

	* file.c (rb_file_load_ok): try opening file without gvl not to
	  lock entire process.  [Bug #11060]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@51118 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 13 insertions, 0 deletions

diff --git a/test/ruby/test_require.rb b/test/ruby/test_require.rb
index 2bdad8f981..44bcfc6343 100644
--- a/test/ruby/test_require.rb
+++ b/test/ruby/test_require.rb
@@ -687,4 +687,17 @@ class TestRequire < Test::Unit::TestCase
       INPUT
     }
   end
+
+  def test_loading_fifo_threading
+    Tempfile.create(%w'fifo .rb') {|f|
+      f.close
+      File.unlink(f.path)
+      File.mkfifo(f.path)
+      assert_separately(["-", f.path], <<-END, timeout: 3)
+      th = Thread.current
+      Thread.start {begin sleep(0.001) end until th.stop?; th.raise(IOError)}
+      assert_raise(IOError) {load(ARGV[0])}
+      END
+    }
+  end unless /mswin|mingw/ =~ RUBY_PLATFORM
 end