From: Eric Wong <normalperson@...>
Date: 2014-05-25T23:29:46+00:00
Subject: [ruby-core:62755] Re: [ruby-trunk - Bug #9835] IGNORE signal handler has possible race condition in Ruby 2.1.2

v2: updated to pass rubyspec for trap(sig, nil)
http://bogomips.org/ruby.git/patch?id=e19b6b1a5e0117