RFR: 8313396: Portable implementation of FORBID_C_FUNCTION and ALLOW_C_FUNCTION [v2]

[David Holmes]

On Fri, 10 Jan 2025 13:00:31 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> @kimbarrett I understand. I also don't like the includer needing to know about this, and maybe it is time to add OS_FAMILY_HEADER to deal with it. But in the absence of the new macro I prefer this break of abstraction to the creation of a bunch of tiny forwarding files.
>
> I prefer the opposite.  If you break these up into a bunch of forwarding files, do all the rest of the VM the same way.
> 
> It may be my problem but I don't have a good IDE to have to navigate through a slew of similarly named files to find the real implementation.

@coleenp I thought you and I were on the same page not liking the creation of all these little files that just forward to the posix one. ???

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PR Review Comment: https://git.openjdk.org/jdk/pull/22890#discussion_r1912608160