RFR: 8369991: Thread blocking during JFR emergency dump must be in safepoint safe state [v2]

[Markus Grönlund]

> Greetings,
> 
> A tiny adjustment to the fix in https://bugs.openjdk.org/browse/JDK-8369255.
> 
> A JavaThread must be in a safe safepoint state before taking an infinite nap; for convenience, it goes to _thread_in_native.
> 
> Testing: jdk_jfr
> 
> Thanks
> Markus

Markus Grönlund has updated the pull request incrementally with one additional commit since the last revision:

  comment

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Changes:
  - all: https://git.openjdk.org/jdk/pull/27862/files
  - new: https://git.openjdk.org/jdk/pull/27862/files/1058e7b5..c4295b8b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=27862&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=27862&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/27862.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27862/head:pull/27862

PR: https://git.openjdk.org/jdk/pull/27862