signo -> Integer
self のシグナル番号を返します。
例 p Signal.signame(1) # => "HUP" begin Process.kill('HUP', Process.pid) sleep rescue SignalException => e p e.signo # => 1 end
p Signal.signame(1) # => "HUP" begin Process.kill('HUP', Process.pid) sleep rescue SignalException => e p e.signo # => 1 end