--- ruby-1.9.3-p286/test/ruby/test_io.rb.devtty 2012-10-12 17:37:54.000000000 +0900
+++ ruby-1.9.3-p286/test/ruby/test_io.rb 2012-10-13 14:00:24.000000000 +0900
@@ -2068,6 +2068,11 @@
return if /linux/ !~ RUBY_PLATFORM
return if /^i.?86|^x86_64/ !~ RUBY_PLATFORM
return unless File.exist?('/dev/tty')
+ begin
+ File.open('/dev/tty') {|f|}
+ rescue Errno::ENXIO
+ return
+ end
File.open('/dev/tty') { |f|
tiocgwinsz=0x5413