Class: Listen::Adapter::BSD

Inherits:

Base

• Object
• Base
• Listen::Adapter::BSD

Defined in:

lib/listen/adapter/bsd.rb

Overview

Listener implementation for BSD’s kqueue.

Constant Summary

EVENTS =

Watched kqueue events

See Also:

• http://www.freebsd.org/cgi/man.cgi?query=kqueue
• https://github.com/mat813/rb-kqueue/blob/master/lib/rb-kqueue/queue.rb

[:delete, :write, :extend, :attrib, :rename]

BUNDLER_DECLARE_GEM =

The message to show when wdm gem isn’t available

"  Please add the following to your Gemfile to avoid polling for changes:\n    require 'rbconfig'\n    gem 'rb-kqueue', '>= 0.2' if RbConfig::CONFIG['target_os'] =~ /freebsd/i\n".gsub(/^ {6}/, '')

Constants inherited from Base

Listen::Adapter::Base::DEFAULT_LATENCY

Instance Attribute Summary

Attributes inherited from Base

#listener

Class Method Summary

• .usable? ⇒ Boolean

Instance Method Summary

• #start ⇒ Object

Methods inherited from Base

#initialize

Constructor Details

This class inherits a constructor from Listen::Adapter::Base

Class Method Details

.usable? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/listen/adapter/bsd.rb', line 22

def self.usable?
  if RbConfig::CONFIG['target_os'] =~ /freebsd/i
    require 'rb-kqueue'
    require 'find'
    true
  end
rescue Gem::LoadError
  Kernel.warn BUNDLER_DECLARE_GEM
end

Instance Method Details

#start ⇒ Object

# File 'lib/listen/adapter/bsd.rb', line 32

def start
  worker = _init_worker
  worker.poll
end