* irb 0.9

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2627 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 25 insertions, 0 deletions

diff --git a/lib/irb/cmd/fork.rb b/lib/irb/cmd/fork.rb
new file mode 100644
index 0000000000..1cc4458b13
--- /dev/null
+++ b/lib/irb/cmd/fork.rb
@@ -0,0 +1,25 @@
+
+module IRB
+  module ExtendCommand
+    class Fork<Nop
+      def execute(&block)
+	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
+
+