RFR: 8373118: Test java/lang/Thread/virtual/Starvation.java timed out [v34]

[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:

  For testing: revert to 26 except for redundant signals

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Changes:
  - all: https://git.openjdk.org/jdk/pull/28797/files
  - new: https://git.openjdk.org/jdk/pull/28797/files/f67bfb19..a888b182

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=28797&range=33
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28797&range=32-33

  Stats: 633 lines in 2 files changed: 185 ins; 167 del; 281 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