Move spec/rubyspec to spec/ruby for consistency

* Other ruby implementations use the spec/ruby directory.
  [Misc #13792] [ruby-core:82287]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/ruby/core/process/fixtures/daemon.rb

@@ -0,0 +1,111 @@
+module ProcessSpecs
+  class Daemon
+    def initialize(argv)
+      args, @input, @data, @behavior = argv
+      @args = Marshal.load [args].pack("H*")
+      @no_at_exit = false
+    end
+
+    def run
+      send @behavior
+
+      # Exit without running any at_exit handlers
+      exit!(0) if @no_at_exit
+    end
+
+    def write(data)
+      File.open(@data, "wb") { |f| f.puts data }
+    end
+
+    def daemonizing_at_exit
+      at_exit do
+        write "running at_exit"
+      end
+
+      @no_at_exit = true
+      Process.daemon
+      write "not running at_exit"
+    end
+
+    def return_value
+      write Process.daemon.to_s
+    end
+
+    def pid
+      parent = Process.pid
+      Process.daemon
+      daemon = Process.pid
+      write "#{parent}:#{daemon}"
+    end
+
+    def process_group
+      parent = Process.getpgrp
+      Process.daemon
+      daemon = Process.getpgrp
+      write "#{parent}:#{daemon}"
+    end
+
+    def daemon_at_exit
+      at_exit do
+        write "running at_exit"
+      end
+
+      Process.daemon
+    end
+
+    def stay_in_dir
+      Process.daemon(*@args)
+      write Dir.pwd
+    end
+
+    def keep_stdio_open_false_stdout
+      Process.daemon(*@args)
+      $stdout.write "writing to stdout"
+      write ""
+    end
+
+    def keep_stdio_open_false_stderr
+      Process.daemon(*@args)
+      $stderr.write "writing to stderr"
+      write ""
+    end
+
+    def keep_stdio_open_false_stdin
+      Process.daemon(*@args)
+
+      # Reading from /dev/null will return right away. If STDIN were not
+      # /dev/null, reading would block and the spec would hang. This is not a
+      # perfect way to spec the behavior but it works.
+      write $stdin.read
+    end
+
+    def keep_stdio_open_true_stdout
+      $stdout.reopen @data
+      Process.daemon(*@args)
+      $stdout.write "writing to stdout"
+    end
+
+    def keep_stdio_open_true_stderr
+      $stderr.reopen @data
+      Process.daemon(*@args)
+      $stderr.write "writing to stderr"
+    end
+
+    def keep_stdio_open_true_stdin
+      File.open(@input, "w") { |f| f.puts "reading from stdin" }
+
+      $stdin.reopen @input, "r"
+      Process.daemon(*@args)
+      write $stdin.read
+    end
+
+    def keep_stdio_open_files
+      file = File.open @input, "w"
+
+      Process.daemon(*@args)
+      write file.closed?
+    end
+  end
+end
+
+ProcessSpecs::Daemon.new(ARGV).run