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

[Lance Andersen]

On Mon, 14 Feb 2022 21:21:14 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.

The changes look reasonable to throw an IOException vs the specific UnixException

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