bug#19175: 24.4; make-frame-on-display fails if emacs started with -nw

[Eli Zaretskii]

> From: "Jan D." <jan.h.d@swipnet.se>
> Date: Sun, 29 Mar 2015 10:45:16 +0200
> Cc: 19175@debbugs.gnu.org
> 
> No, it is a signal race.  Apparently XOpenDisplay does not retry when 
> interrupted by a signal, SIGIO in this case.
> Blocking SIGIO at the appropriate locations fixes it.
> 
> Is the fix too late for the 24-branch?

Can you show the diffs that fix this?

Thanks.