[jdk17] RFR: 8269525: Deadlock during Volano with JFR

[Markus Grönlund]

Greetings,

please help review this update to the execution sampling protocol to address a race condition. The details are listed in the JBS issue.

Testing: jdk_jfr, Volano

Thanks
Markus

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Commit messages:
 - Deadlock during Volano with JFR

Changes: https://git.openjdk.java.net/jdk17/pull/223/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17&pr=223&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8269525
  Stats: 19 lines in 1 file changed: 11 ins; 5 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk17/pull/223.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17 pull/223/head:pull/223

PR: https://git.openjdk.java.net/jdk17/pull/223