Module: Signal

Defined in:
lib/liquid/ext/signal.rb

Class Method Summary collapse

Class Method Details

.register_shutdown_handler(&block) ⇒ Object

be cautious with this shutdown handler as it does not guarantee execution of all handlers and swallows exceptions inside handlers. Use Shutdown.register_with_handler instead



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# File 'lib/liquid/ext/signal.rb', line 5

def self.register_shutdown_handler(&block)
  signals = %w(INT TERM)

  # The signal QUIT is in use by the JVM itself
  signals << 'QUIT' unless RUBY_PLATFORM == 'java'

  signals.each do |sig|
    old = trap(sig) {}
    trap(sig) do
      $log.debug("shutdown", handler: block.inspect)
      block.call
      old.call
    end
  end
end