Module: LoopHard::SignalTrap

Defined in:
lib/loop_hard/signal_trap.rb

Class Method Summary collapse

Class Method Details

.continue?(options = nil) ⇒ Boolean

Returns false if a signal has been trapped. True otherwise.

Returns:

  • (Boolean) 


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# File 'lib/loop_hard/signal_trap.rb', line 7

def continue?(options = nil)
  if !@signal_trapped.nil?
    LoopHard.logger.info "Ending loop due to #{@signal_trapped} signal"
    return false
  end
  return true
end

.reset_signal_trapped ⇒ Object

Reset the “signal” flag, so that loops keep looping.



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# File 'lib/loop_hard/signal_trap.rb', line 31

def reset_signal_trapped
  @signal_trapped = nil
end

.signal_trapped(sig) ⇒ Object

Set the “signal” flag, if you’ve trapped a signal yourself, so that loops stop looping.



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# File 'lib/loop_hard/signal_trap.rb', line 26

def signal_trapped(sig)
  @signal_trapped = sig
end

.trap_signals(signals = ["INT", "TERM", "USR1"]) ⇒ Object

Set up a signal trap for the signals specified (defaults to INT, TERM and USR1) Do not call this if you’re using Sidekiq or any other library that handles their own signals!



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# File 'lib/loop_hard/signal_trap.rb', line 17

def trap_signals(signals = ["INT", "TERM", "USR1"])
  signals.each do |sig|
    Signal.trap sig do
      signal_trapped(sig)
    end
  end
end