RFR: 8364819: Post-integration cleanups for JDK-8359820 [v5]

[Aleksey Shipilev]

On Thu, 7 Aug 2025 07:34:50 GMT, Anton Artemov <duke at openjdk.org> wrote:

>> Hi, please consider the following changes:
>> 
>> This is a cleanup after https://github.com/openjdk/jdk/pull/26309
>> 
>> 1) `_handshake_timed_out_thread `and `_safepoint_timed_out_thread` are now `Thread*` and not `intptr_t`, no conversions `p2i <-> i2p` needed.
>> 
>> 2) Added a missed brace in the error message. 
>> 
>> Trivial change.
>
> Anton Artemov has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8364819: Addressed reviewer's comments

I still think these should be wrapped with `Atomic`-s, but I don't have energy to argue in favor of them anymore. So I would defer a second review to someone else.

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

PR Review: https://git.openjdk.org/jdk/pull/26656#pullrequestreview-3097025636