merge revision(s) 40182,40221: [Backport #8311]

	test_curses.rb: add sentinel

	* test/test_curses.rb (TestCurses#run_curses): add sentinel to get rid
  of read pty output after the child process terminated, which causes
  EIO on Linux.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@40421 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 1 deletions

diff --git a/test/test_curses.rb b/test/test_curses.rb
index d03a94173d..2e874eb2a3 100644
--- a/test/test_curses.rb
+++ b/test/test_curses.rb
@@ -28,14 +28,17 @@ rescue Exception => e
 ensure
   close_screen
   puts "", [Marshal.dump([result, e])].pack('m').delete("\n")
+  print "\\0"
+  $stdio.flush
 end
 src
       if input
         w.print(input)
         w.flush
       end
-      res = r.read
+      res = r.gets("\0")
       return unless res
+      res.chomp!("\0")
       res, error = Marshal.load(res[/(.*)\Z/, 1].unpack('m')[0])
       raise error if error
       return res