RFR: 8373118: Test java/lang/Thread/virtual/Starvation.java timed out [v28]

[Doug Lea]

> Changes signal filtering to avoid possible starvation

Doug Lea has updated the pull request incrementally with one additional commit since the last revision:

  Try out different approach

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Changes:
  - all: https://git.openjdk.org/jdk/pull/28797/files
  - new: https://git.openjdk.org/jdk/pull/28797/files/a1e5ce94..02ddb13d

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=28797&range=27
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28797&range=26-27

  Stats: 204 lines in 1 file changed: 79 ins; 75 del; 50 mod
  Patch: https://git.openjdk.org/jdk/pull/28797.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28797/head:pull/28797

PR: https://git.openjdk.org/jdk/pull/28797