RFR: 8342086: FileInputStream.available() fails with "Incorrect function" for "nul" path (win)

[Brian Burkhalter]

On Wed, 16 Oct 2024 16:56:38 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

> Modify the `handleAvailable` native code path to ignore an `ERROR_INVALID_FUNCTION` encountered by `PeekNamedPipe` and update an existing test to verify this change.

I verified that `PeekNamedPipe` also fails with `ERROR_INVALID_FUNCTION` when the supplied handle is `STD_INPUT_HANDLE`.

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PR Comment: https://git.openjdk.org/jdk/pull/21543#issuecomment-2417628951