Check Errno::EIO

Catch Errno::EIO what will be occurred if the console terminates I/O before Reline finishes rendering.

Author: aycabta

bin/multiline_repl

@@ -37,4 +37,8 @@ rescue Interrupt
 ensure
  `stty #{stty_save}` if stty_save
 end
-puts
+begin
+ puts
+rescue Errno::EIO
+ # Maybe the I/O has been closed.
+end

lib/reline.rb

@@ -243,6 +243,8 @@ def readline(prompt = '', add_hist = false)
  break if line_editor.finished?
  end
  Reline::IOGate.move_cursor_column(0)
+ rescue Errno::EIO
+ # Maybe the I/O has been closed.
  rescue StandardError => e
  line_editor.finalize
  Reline::IOGate.deprep(otio)

lib/reline/ansi.rb

@@ -67,6 +67,9 @@ def self.getc
  end
  c = @@input.raw(intr: true, &:getbyte)
  (c == 0x16 && @@input.raw(min: 0, tim: 0, &:getbyte)) || c
+ rescue Errno::EIO
+ # Maybe the I/O has been closed.
+ nil
  end
 
  def self.ungetc(c)