[jdk25u-dev] RFR: 8373106: JFR suspend/resume deadlock on macOS in pthreads library

[Goetz Lindenmaier]

I backport this for parity with 25.0.3-oracle.

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

Commit messages:
 - Backport b070367bdf980ef1c257cab485927db39b544241

Changes: https://git.openjdk.org/jdk25u-dev/pull/215/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk25u-dev&pr=215&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/jdk25u-dev/pull/215.diff
  Fetch: git fetch https://git.openjdk.org/jdk25u-dev.git pull/215/head:pull/215

PR: https://git.openjdk.org/jdk25u-dev/pull/215