Class: PidWatcher

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

Constant Summary collapse

VERSION = 
"0.0.2"
DEFAULT_TIMEOUT = 
10 * 60
DEFAULT_MESSAGE = 
"Process %{pid} finished"
TIMEOUT_MESSAGE = 
"Timeout for process %{pid}"
TITLE = 
'Pid Watcher'

Instance Method Summary collapse

Constructor Details

#initialize(pid, options) ⇒ PidWatcher

Returns a new instance of PidWatcher.



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# File 'lib/pid_watcher.rb', line 11

def initialize(pid, options)
  @pid     = pid
  @message = options[:message] || DEFAULT_MESSAGE
  @timeout = options[:timeout] || DEFAULT_TIMEOUT
  @command = options[:command]
end

Instance Method Details

#watch ⇒ Object 



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# File 'lib/pid_watcher.rb', line 18

def watch
  Process.daemon

  Timeout::timeout(timeout) do
    while pid_exists?
      sleep(1)
    end
    run_command unless command.nil?
    finish_notify
  end
rescue Timeout::Error
  timeout_notify
end