Class: Watchcat::Executor

Inherits:
Object
  • Object
show all
Defined in:
lib/watchcat/executor.rb

Instance Method Summary collapse

Constructor Details

#initialize(paths, recursive:, force_polling:, poll_interval:, wait_until_startup:, ignore_remove:, debounce:, block:) ⇒ Executor

Returns a new instance of Executor.



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# File 'lib/watchcat/executor.rb', line 8

def initialize(paths, recursive:, force_polling:, poll_interval:, wait_until_startup:, ignore_remove:, debounce:, block:)
  @service = nil
  @child_pid = nil
  @paths = paths
  @recursive = recursive
  @force_polling = force_polling
  @poll_interval = poll_interval
  @wait_until_startup = wait_until_startup
  @ignore_remove = ignore_remove
  @debounce = debounce
  @block = block
  @watcher = Watchcat::Watcher.new
end

Instance Method Details

#start ⇒ Object 



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# File 'lib/watchcat/executor.rb', line 22

def start
  server = Server.new(@block)
  @service = DRb.start_service("drbunix:", server)
  client = nil
  client = build_client if @wait_until_startup

  @child_pid = fork do
    client = build_client unless @wait_until_startup
    Process.setproctitle("watchcat: watcher")
    client.run
  end

  main = Process.pid
  at_exit do
    @exit_status = $!.status if $!.is_a?(SystemExit)
    stop if Process.pid == main
    exit @exit_status if @exit_status
  end
end

#stop ⇒ Object 



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# File 'lib/watchcat/executor.rb', line 42

def stop
  begin
    @watcher.close
    Process.kill(:KILL, @child_pid)
  rescue Errno::ESRCH
    # NOTE: We can ignore this error because there process is already dead.
  end
  @service.stop_service
end