Contents

module Selenium
  module WebDriver

    #
    # Cross platform child process launcher
    #

    class ChildProcess
      def initialize(*args)
        @args = args

        if Platform.jruby?
          extend JRubyProcess
        elsif Platform.os == :windows
          extend WindowsProcess
        end
      end

      def alive?
        return false unless @pid

        # TODO: check if this works on windows
        Process.kill 0, @pid
        true
      rescue Errno::ESRCH
        false
      end

      def start
        @pid = fork { exec(*@args) }

        self
      end

      def wait
        raise "called wait with no pid" unless @pid
        Process.waitpid @pid
      end

      def kill
        Process.kill("TERM", @pid) if @pid
      end

      def kill!
        Process.kill("KILL", @pid) if @pid
      end

      module WindowsProcess
        def start
          require "win32/process" # adds a dependency on windows
          @pid = Process.create(:app_name        => @args.join(" "),
                                :process_inherit => true,
                                :thread_inherit  => true,
                                :inherit         => true).process_id

          self
        end
      end

      module JRubyProcess
        def start
          pb = java.lang.ProcessBuilder.new(@args)

          # this isn't good
          env = pb.environment
          ENV.each { |k,v| env.put(k, v) }

          @process = pb.start

          self
        end

        def kill
          @process.destroy if @process
        end
        alias_method :kill!, :kill

        def wait
          @process.waitFor
        end
      end

    end # ChildProcess
  end # WebDriver
end # Selenium

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
selenium-webdriver-0.0.5	common/src/rb/lib/selenium/webdriver/child_process.rb
selenium-webdriver-0.0.4	common/src/rb/lib/selenium/webdriver/child_process.rb
selenium-webdriver-0.0.3	common/src/rb/lib/selenium/webdriver/child_process.rb
selenium-webdriver-0.0.2	common/src/rb/lib/selenium/webdriver/child_process.rb
selenium-webdriver-0.0.1	common/src/rb/lib/selenium/webdriver/child_process.rb