RFR: JDK-8288746: HttpClient resources could be reclaimed more eagerly

[Jaikiran Pai]

On Mon, 20 Jun 2022 14:09:27 GMT, Daniel Fuchs <dfuchs at openjdk.org> wrote:

> Hi,
> 
> Please find here a patch that should help the HttpClient's SelectorManager thread to terminate more timely, allowing the resources consumed by the client to be released earlier.
> 
> The idea is to use a Cleaner registered with the HttpClientFacade to wakeup the Selector when the facade is being gc'ed.
> Some tests have been modified to wait for the selector manager thread to shutdown, and some of them have been observed to timeout when the fix is not in place.

Marked as reviewed by jpai (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/9217