RFR: 8373118: Test java/lang/Thread/virtual/Starvation.java timed out [v17]

[Doug Lea]

> Changes signal filtering to avoid possible starvation

Doug Lea has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains 24 additional commits since the last revision:

 - Merge branch 'openjdk:master' into JDK-8373118
 - Not sure why this merge is necessary
   Merge remote-tracking branch 'refs/remotes/origin/JDK-8373118' into JDK-8373118
 - Merge branch 'openjdk:master' into JDK-8373118
 - Fix deactivate; faster quiescence
 - recheck avoiding cross-class offsets
 - Merge branch 'openjdk:master' into JDK-8373118
 - Merge branch 'openjdk:master' into JDK-8373118
 - Check reworked ordering control
 - Merge branch 'openjdk:master' into JDK-8373118
 - Merge branch 'openjdk:master' into JDK-8373118
 - ... and 14 more: https://git.openjdk.org/jdk/compare/74c835fa...556c5201

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Changes:
  - all: https://git.openjdk.org/jdk/pull/28797/files
  - new: https://git.openjdk.org/jdk/pull/28797/files/228ec84d..556c5201

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=28797&range=16
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28797&range=15-16

  Stats: 3603 lines in 1872 files changed: 593 ins; 294 del; 2716 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