bug#22814: 25.0.91; Emacs runs out of file descriptors on OS X

[Eli Zaretskii]

> From: Michael Albinus <michael.albinus@gmx.de>
> Date: Fri, 26 Feb 2016 09:34:50 +0100
> Cc: 22814@debbugs.gnu.org
> 
> You are using "global-auto-revert-mode: t". kqueue does not support a
> directory monitor, therefore it starts a new file notification monitor
> for every single file, indeed.
> 
> I believe it is questionable to run auto-revert-mode for so many files,
> but that's your choice. In order to suppress kqueue running for
> auto-revert-mode, you shall set auto-revert-use-notify to nil.
> 
> Maybe there are means in OS X to increase the number of file descriptors
> for Emacs, don't know. I don't use OS X.
> 
> I will add a note to the Emacs manual.

I suggest adding this to etc/PROBLEMS as well.