From: Eric Wong <normalperson@...>
Date: 2015-02-18T18:08:08+00:00
Subject: [ruby-core:68174] Re: [Ruby trunk - Bug #10866] [Open] A signal handler in signal.c can corrupt the value of errno.

Good catch!  I'll commit in a little bit in case we missed something,
but I think that's the only signal handler.