Class: Listen::Adapters::Linux

Inherits:
Listen::Adapter show all
Defined in:
lib/listen/adapters/linux.rb

Overview

Listener implementation for Linux ‘inotify`.

Constant Summary

Constants inherited from Listen::Adapter

Listen::Adapter::DEFAULT_LATENCY, Listen::Adapter::POLLING_FALLBACK_MESSAGE

Instance Attribute Summary

Attributes inherited from Listen::Adapter

#latency

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Listen::Adapter

select_and_initialize

Constructor Details

#initialize(directory, options = {}, &callback) ⇒ Linux

Initialize the Adapter. See Listen::Adapter#initialize for more info.



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# File 'lib/listen/adapters/linux.rb', line 19

def initialize(directory, options = {}, &callback)
  super
  @changed_dirs = Set.new
  init_worker
end

Class Method Details

.usable? ⇒ Boolean

Check if the adapter is usable on the current OS.

Returns:

  • (Boolean) —

    whether usable or not



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# File 'lib/listen/adapters/linux.rb', line 44

def self.usable?
  return false unless RbConfig::CONFIG['target_os'] =~ /linux/i

  require 'rb-inotify'
  true
rescue LoadError
  false
end

Instance Method Details

#start ⇒ Object

Start the adapter.



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# File 'lib/listen/adapters/linux.rb', line 27

def start
  super
  Thread.new { @worker.run }
  poll_changed_dirs
end

#stop ⇒ Object

Stop the adapter.



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# File 'lib/listen/adapters/linux.rb', line 35

def stop
  super
  @worker.stop
end