1#
2#   fork.rb -
3#   	$Release Version: 0.9.6 $
4#   	$Revision: 38358 $
5#   	by Keiju ISHITSUKA(keiju@ruby-lang.org)
6#
7# --
8#
9#
10#
11
12@RCS_ID='-$Id: fork.rb 38358 2012-12-13 05:22:30Z zzak $-'
13
14# :stopdoc:
15module IRB
16  module ExtendCommand
17    class Fork<Nop
18      def execute
19	pid = send ExtendCommand.irb_original_method_name("fork")
20	unless pid
21	  class << self
22	    alias_method :exit, ExtendCommand.irb_original_method_name('exit')
23	  end
24	  if iterator?
25	    begin
26	      yield
27	    ensure
28	      exit
29	    end
30	  end
31	end
32	pid
33      end
34    end
35  end
36end
37# :startdoc:
38
39
40