[jdk26] RFR: 8373106: JFR suspend/resume deadlock on macOS in pthreads library

[Markus Grönlund]

8373106: JFR suspend/resume deadlock on macOS in pthreads library

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Commit messages:
 - Backport b070367bdf980ef1c257cab485927db39b544241

Changes: https://git.openjdk.org/jdk/pull/29207/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=29207&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8373106
  Stats: 62 lines in 1 file changed: 12 ins; 18 del; 32 mod
  Patch: https://git.openjdk.org/jdk/pull/29207.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/29207/head:pull/29207

PR: https://git.openjdk.org/jdk/pull/29207