RFR: 8373118: Test java/lang/Thread/virtual/Starvation.java timed out [v25]

[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:

  Fix missing undo

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/28797/files
  - new: https://git.openjdk.org/jdk/pull/28797/files/c3e137a6..bb492a04

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=28797&range=24
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28797&range=23-24

  Stats: 3 lines in 1 file changed: 0 ins; 2 del; 1 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