Class: Appsignal::Hooks::CelluloidHook Private

Inherits:
Hook show all
Defined in:
lib/appsignal/hooks/celluloid.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Instance Method Summary collapse

Methods inherited from Hook

#initialize, #installed?, register, #try_to_install

Constructor Details

This class inherits a constructor from Appsignal::Hooks::Hook

Instance Method Details

#dependencies_present? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean)
[View source]

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# File 'lib/appsignal/hooks/celluloid.rb', line 9

def dependencies_present?
  defined?(::Celluloid)
end

#install ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

[View source]

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# File 'lib/appsignal/hooks/celluloid.rb', line 13

def install
  # Some versions of Celluloid have race conditions while exiting
  # that can result in a dead lock. We stop appsignal before shutting
  # down Celluloid so we're sure our thread does not aggravate this situation.
  # This way we also make sure any outstanding transactions get flushed.

  Celluloid.singleton_class.send(:prepend, Module.new do
    def shutdown
      Appsignal.stop("celluloid")
      super
    end
  end)
end