summaryrefslogtreecommitdiff
path: root/lib/irb/cmd/fork.rb
blob: fbe5126c85442a19d22a2ab28f171d9709a683f4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
#
#   fork.rb -
#   	$Release Version: 0.9.6 $
#   	$Revision$
#   	by Keiju ISHITSUKA(keiju@ruby-lang.org)
#
# --
#
#
#

@RCS_ID='-$Id$-'

# :stopdoc:
module IRB
  module ExtendCommand
    class Fork<Nop
      def execute
	pid = send ExtendCommand.irb_original_method_name("fork")
	unless pid
	  class << self
	    alias_method :exit, ExtendCommand.irb_original_method_name('exit')
	  end
	  if iterator?
	    begin
	      yield
	    ensure
	      exit
	    end
	  end
	end
	pid
      end
    end
  end
end
# :startdoc: