Class: SignalHandler

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/signal_handler.rb

Constant Summary collapse

SIGNALS = 
%w[INT TERM QUIT]

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.start ⇒ Object 



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# File 'lib/signal_handler.rb', line 8

def self.start
  instance.start
end

Instance Method Details

#start ⇒ Object 



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# File 'lib/signal_handler.rb', line 12

def start
  @signal_read, @signal_write = IO.pipe

  SIGNALS.each do |signal|
    Signal.trap(signal) do
      @signal_write.write_nonblock("#{signal}\n")
    end
  end

  Thread.new do
    while (signal = @signal_read.gets&.strip)
      handle_signal(signal)
    end
  end
end