RFR: 8280881: (fs) UnixNativeDispatcher.close0 may throw UnixException [v2]

[Alan Bateman]

On Wed, 16 Feb 2022 00:44:37 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

>> Re-specify `sun.nio.fs.UnixNativeDispatcher.close0()` to throw `sun.nio.fs.UnixException` and modify callers either to ignore it or to rethrow it as an `IOException`, as appropriate.
>
> Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8280881: Correct previous version; make Linux changes

One idea to try is to add:

static void close(int fd, Function<UnixException, IOException> mapper) throws IOException

That would eliminate the need to wrap close everywhere. It would replace them with code like:

close(fd, e -> e.asIOException(source));

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PR: https://git.openjdk.java.net/jdk/pull/7467