RFR: JDK-8266797: Fix for 8266610 breaks the build on macos

[Pavel Rappo]

On Mon, 10 May 2021 06:34:36 GMT, Vyom Tewari <vtewari at openjdk.org> wrote:

> this change will  include  the below headers files to Linux only. 
> #include <linux/fs.h>
> #include <sys/stat.h>

The fix to 8266610 caused a build failure on macOS. What is your plan to make sure this won't happen with this change?

I would recommend enabling [GitHub Actions](https://docs.github.com/en/github/administering-a-repository/disabling-or-limiting-github-actions-for-a-repository) for the "vyommani/jdk" repo.

I have run this PR through our CI: the tier1 tests are fine on all supported platforms. Please integrate this PR as soon as possible. 

Separately, please sort out the way you test your PRs. Read the error message that the failed GitHub Actions gave you:
> Prerequisites
> Actions jobs for this repository have been disabled by GitHub staff. If you are the repository owner, you can contact support via github.com/contact for more information.

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PR: https://git.openjdk.java.net/jdk/pull/3943