Module: Roebe::Sigint

Defined in:
lib/roebe/toplevel_methods/register_sigint.rb

Class Method Summary collapse

Class Method Details

.register(invoke_this_method = :exit) ⇒ Object

#

Roebe::Sigint.register

The default method to be invoked is exit(), represented by the symbol :exit.

You can override this by leveraging another method, such as a custom method.

#


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# File 'lib/roebe/toplevel_methods/register_sigint.rb', line 22

def self.register(
    invoke_this_method = :exit
  )
  # ======================================================================= #
  # === Handle blocks next
  # ======================================================================= #
  if block_given?
    yielded = yield
    # ===================================================================== #
    # === :use_this_as_exit_code
    #
    # We can specify a specific exit code here.
    # ===================================================================== #
    if yielded.has_key? :use_this_as_exit_code
      use_this_as_exit_code = yielded.delete(:use_this_as_exit_code)
      if yielded.has_key? :invoke_this_method
        invoke_this_method = yielded[:invoke_this_method]
      end
      Signal.trap('SIGINT') {
        send(invoke_this_method, use_this_as_exit_code)
      }
    end
  else
    Signal.trap('SIGINT') { send(invoke_this_method) }
  end
end