akr	2014-10-25 22:34:21 +0900 (Sat, 25 Oct 2014)

  New Revision: 48136

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=48136

  Log:
    * io.c (io_binwrite_string): Test writev() failure.

  Modified files:
    trunk/ChangeLog
    trunk/io.c
    trunk/test/ruby/test_io.rb
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 48135)
+++ ChangeLog	(revision 48136)
@@ -1,3 +1,7 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Sat Oct 25 22:28:17 2014  Tanaka Akira  <akr@f...>
+
+	* io.c (io_binwrite_string): Test writev() failure.
+
 Sat Oct 25 20:19:19 2014  Martin Duerst <duerst@i...>
 
 	* test/test-unicode_normalize.rb: added test_us_ascii.
Index: io.c
===================================================================
--- io.c	(revision 48135)
+++ io.c	(revision 48136)
@@ -1276,6 +1276,9 @@ io_binwrite_string(VALUE arg) https://github.com/ruby/ruby/blob/trunk/io.c#L1276
 
 	r = rb_writev_internal(fptr->fd, iov, 2);
 
+        if (r == -1)
+            return -1;
+
 	if (fptr->wbuf.len <= r) {
 	    r -= fptr->wbuf.len;
 	    fptr->wbuf.off = 0;
Index: test/ruby/test_io.rb
===================================================================
--- test/ruby/test_io.rb	(revision 48135)
+++ test/ruby/test_io.rb	(revision 48136)
@@ -1370,6 +1370,17 @@ class TestIO < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_io.rb#L1370
     end
   end
 
+  def test_close_read_pipe_nosync
+    assert_separately([], <<-"end;")
+      r, w = IO.pipe
+      r.close
+      w.sync = false
+      assert_raise(Errno::EPIPE) {
+        loop { w.write "a" }
+      }
+    end;
+  end
+
   def test_close_read_non_readable
     with_pipe do |r, w|
       assert_raise(IOError) do

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