RFR: 8325576: java/lang/ProcessHandle/InfoTest.java fails on systems with coreutils with --enable-single-binary [v3]

[Dan Lutker]

On Tue, 13 Feb 2024 22:02:15 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

>> Any reason not to use [exesanity_SimpleNativeLauncher](https://github.com/openjdk/jdk/blob/628cd8a489fd54db18204c3bbaf4339d7ab5e9d6/test/jdk/native_sanity/simplenativelauncher/exesanity_SimpleNativeLauncher.c) or [exeBasicSleep](https://github.com/openjdk/jdk/blob/628cd8a489fd54db18204c3bbaf4339d7ab5e9d6/test/jdk/java/lang/ProcessBuilder/exeBasicSleep.c) in all cases?
>
> I'd be ok with exeBasicSleep; (currently only used on Windows and if its been built by the make files).
> Note the discovery mechanism used in Basic.java `initSleepPath()` to locate and identify the path where its built or to fallback to the OS sleep.

I opted to just check for coreutils existing as a signal that it was single executable. With Fedora and AL2023 coreutils-single package this will work. Some other distro could choose to use the symlink version of this or exclude sleep from coreutils-single in the future, but we can deal with that if it every actually comes up.

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PR Review Comment: https://git.openjdk.org/jdk/pull/17798#discussion_r1525573046