bug#39164: 27.0.60; Intermittent crash on MacOS 10.14 in setup_process_coding_systems

[Eli Zaretskii]

> Date: Mon, 27 Jan 2020 22:26:10 +0900
> From: mituharu@math.s.chiba-u.ac.jp
> Cc: "Eli Zaretskii" <eliz@gnu.org>,
>  jguenther@gmail.com,
>  "Tomasz Kowal" <tomekowal@gmail.com>,
>  39164@debbugs.gnu.org
> 
> This is a variant of Bug#24325: Crash - fd larger than FD_SETSIZE.
> Some functions in the Core Foundation framework on macOS
> call setrlimit for RLIMIT_NOFILE in order to increase the limit of
> the maximum number of open files for the process:
> 
>   https://opensource.apple.com/source/CF/CF-1153.18/CFSocket.c.auto.html
> 
> So the fix for Bug#24325 doesn't work in this case.

Thanks.

So I guess one possible solution would be to see that fd is beyond
FD_SETSIZE, and if so, call getrlimit to see if the limit was bumped
up, and if so, reallocate the arrays used by process.c?  Would that
make sense?