* ext/pty/lib/expect.rb (IO#expect): check if peer is closed.

  [ruby-Bugs-17940]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15531 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/ext/pty/lib/expect.rb b/ext/pty/lib/expect.rb
index aa9ab895d3..08191b05b9 100644
--- a/ext/pty/lib/expect.rb
+++ b/ext/pty/lib/expect.rb
@@ -10,7 +10,7 @@ class IO
       e_pat = pat
     end
     while true
-      if IO.select([self],nil,nil,timeout).nil? then
+      if !IO.select([self],nil,nil,timeout) or eof? then
         result = nil
         break
       end