daemonize.rb

require 'daemons'

module Daemons
  class Monitor
    def stop
      pid = @pid.pid
      begin; Process.kill('TERM', pid); rescue ::Exception; end
      sleep(0.5)
      begin; Process.kill('KILL', pid); rescue ::Exception; end

      # We try to remove the pid-files by ourselves, in case the application
      # didn't clean it up.
      begin; @pid.cleanup; rescue ::Exception; end
    end

  end

  class Application
  def stop
    if options[:force] and not running?
      self.zap
      return
    end

    # Catch errors when trying to kill a process that doesn't
    # exist. This happens when the process quits and hasn't been
    # restarted by the monitor yet. By catching the error, we allow the
    # pid file clean-up to occur.
    pid = @pid.pid
    begin
      Process.kill('TERM', pid)
      sleep(0.5)
      Process.kill('KILL', pid) if running?
    rescue Errno::ESRCH => e
      puts "#{e} #{pid}"
      puts "deleting pid-file."
    end

    # We try to remove the pid-files by ourselves, in case the application
    # didn't clean it up.
    begin; @pid.cleanup; rescue ::Exception; end

  end
  end
end