From: Eric Wong <normalperson@...>
Date: 2013-02-23T17:06:19+09:00
Subject: [ruby-core:52732] Re: [ruby-trunk - Bug #7917][Open] Can't write to a Logger in a signal handler

"mperham (Mike Perham)" <mperham@gmail.com> wrote:
> trap 'INT' do
>   LOG.info "Hello"
> end

An ugly workaround I use is to spawn a thread inside trap:

trap 'INT' do
  Thread.new do
    LOG.info "Hello"
  end
end