Class: InterruptHandler

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

Overview

Provides a handler for interrupt signals (SIGINT), allowing the application to finish what it’s currently working on.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ InterruptHandler

Returns a new instance of InterruptHandler.



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# File 'lib/overcommit/interrupt_handler.rb', line 10

def initialize
  self.isolate_signals = false
  self.signal_received = false

  Signal.trap('INT') do
    if isolate_signals
      self.signal_received = true
    else
      raise Interrupt
    end
  end
end

Instance Attribute Details

#isolate_signals ⇒ Object

Returns the value of attribute isolate_signals.



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# File 'lib/overcommit/interrupt_handler.rb', line 8

def isolate_signals
  @isolate_signals
end

#signal_received ⇒ Object

Returns the value of attribute signal_received.



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# File 'lib/overcommit/interrupt_handler.rb', line 8

def signal_received
  @signal_received
end

Class Method Details

.disable! ⇒ Object 



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# File 'lib/overcommit/interrupt_handler.rb', line 24

def disable!
  instance.isolate_signals = false
end

.enable! ⇒ Object 



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# File 'lib/overcommit/interrupt_handler.rb', line 28

def enable!
  instance.isolate_signals = true
end

.isolate_from_interrupts ⇒ Object 



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# File 'lib/overcommit/interrupt_handler.rb', line 32

def isolate_from_interrupts
  instance.signal_received = false
  instance.isolate_signals = true
  result = yield
  instance.isolate_signals = false
  result
end

.signal_received? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/overcommit/interrupt_handler.rb', line 40

def signal_received?
  instance.signal_received
end