Class: SignalHandler

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

Overview

Singleton class used to intercept signals. If a SIGINT or SIGTERM is received a message is outputted and @should_quit is set to true

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SignalHandler

Returns a new instance of SignalHandler.



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# File 'lib/signal_handler.rb', line 14

def initialize
  @should_quit = false
  Signal.trap("SIGINT") { handle_signal }
  Signal.trap("SIGTERM") { handle_signal }
end

Instance Attribute Details

#should_quit ⇒ Object (readonly)

Returns the value of attribute should_quit.



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# File 'lib/signal_handler.rb', line 7

def should_quit
  @should_quit
end

Instance Method Details

#handle_signal ⇒ Object 



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# File 'lib/signal_handler.rb', line 9

def handle_signal
  puts "PID #{Process.pid} is gracefully shutting down..."
  @should_quit = true
end