[jdk21u-dev] RFR: 8304065: HttpServer.stop should terminate immediately if no exchanges are in progress [v2]

[Goetz Lindenmaier]

> I backport this for parity with 21.0.10-oracle.
> 
> Resolved Copyright, priobably clean.

Goetz Lindenmaier has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:

  backport 627ef34498c31b5d16f9da423cfe0a5fe46a3562

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Changes:
  - all: https://git.openjdk.org/jdk21u-dev/pull/2370/files
  - new: https://git.openjdk.org/jdk21u-dev/pull/2370/files/fdc38b1a..e6136211

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2370&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2370&range=00-01

  Stats: 347 lines in 1 file changed: 347 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2370.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2370/head:pull/2370

PR: https://git.openjdk.org/jdk21u-dev/pull/2370