RFR: 8257831: Suspend with handshakes [v3]

[Patricio Chilano Mateo]

On Wed, 31 Mar 2021 06:32:40 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Robbin Ehn has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains three commits:
>> 
>>  - Merge branch 'master' into SuspendInHandshake
>>  - Merge branch 'master' into SuspendInHandshake
>>  - 8257831: Suspend with handshake (review baseline)
>
> src/hotspot/share/runtime/thread.cpp line 667:
> 
>> 665: 
>> 666:       // We wait for the thread to transition to a more usable state.
>> 667:       for (int i = 1; i <= SuspendRetryCount; i++) {
> 
> You will need to obsolete SuspendRetryCount and SuspendRetryDelay. This will need a CSR request indicating why there is no deprecation step.

I think we will need to do the same for flags AssertOnSuspendWaitFailure and TraceSuspendWaitFailures.

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PR: https://git.openjdk.java.net/jdk/pull/3191