RFR: 8171432: (fs) WindowsWatchService.Poller::run does not call ReadDirectoryChangesW after a ERROR_NOTIFY_ENUM_DIR

[Brian Burkhalter]

On Tue, 2 Dec 2025 23:53:14 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

> Call `ReadDirectoryChangesW` in `WindowsWatchService::Poller.run` if the `ERROR_NOTIFY_ENUM_DIR` error occurs.

This change was tested by artificially setting the error code to `ERROR_NOTIFY_ENUM_DIR` in `WindowsWatchService.java` after a certain number of iterations in `run()`. Without the proposed code change, the test `LotsOfEvents` failed but passed with the code change in place.

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PR Comment: https://git.openjdk.org/jdk/pull/28620#issuecomment-3604435037