Re: pgsql: Add kqueue(2) support to the WaitEventSet API.

I wrote:
> Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> writes:
>> As for the platform dependencies, I see two main options: make the hint
>> platform-specific (i.e have #ifdef branches per platform) or make it
>> even more generic, such as "file descriptor limits".

> I thought about platform-specific messages, but it's not clear to me
> whether our translation infrastructure will find messages that are
> inside #ifdefs ... anyone know?

Oh, but of course it does. So let's do

errdetail("There are too many open files on the local server."),
#ifndef WIN32
errhint("Raise the server's max_files_per_process and/or \"ulimit -n\" limits.")
#else
errhint("Raise the server's max_files_per_process setting.")
#endif

I don't think there's much point in telling Windows users about
_setmaxstdio() here.

regards, tom lane