Re: Another documentation issue

Daniel Gustafsson <daniel@yesql.se> writes:
>> On 23 Apr 2025, at 09:16, Laurenz Albe <laurenz.albe@cybertec.at> wrote:
>> On Wed, 2025-04-23 at 00:21 -0500, Igor Korot wrote:
>>> No explanation of what is "supported system" is given...

>> According to the source, it is "systems that have posix_fadvise()".  We could document that,
>> but I don't know if it would help many people.  I am not sure how easy and feasible it is
>> to research which versions of which operating systems qualify.

>> From memory it's supported on FreeBSD, NetBSD and Linux with Windows, macOS and
> OpenBSD not supporting it.  Assuming I'm not completely wrong (a 1 minute
> search shows it's in the ballpark) we could perhaps add something like
> "Unsupported platforms include (but isn't limited to) Windows and macOS" which
> would provide a bit more clarity.

If we do anything about this, I'd just say "systems that have
posix_fadvise()".  If we write something more specific it's likely to
become obsolete, and it doesn't seem to me that it's hard for someone
to research "does my box have posix_fadvise()?".

            regards, tom lane