RFR: 8262881: port JVM/DI tests from JDK-4413752 to JVM/TI [v4]

[Robbin Ehn]

On Thu, 1 Apr 2021 19:46:38 GMT, Daniel D. Daugherty <dcubed at openjdk.org> wrote:

>> Add three tests from JDK-4413752 ported to JVM/TI:
>> 
>> - RawMonitorEnter() with SuspendThread()
>>   - test/hotspot/jtreg/serviceability/jvmti/SuspendWithRawMonitorEnter/SuspendWithRawMonitorEnter.java
>>   - test/hotspot/jtreg/serviceability/jvmti/SuspendWithRawMonitorEnter/libSuspendWithRawMonitorEnter.cpp
>> 
>> - ObjectMonitor enter() with SuspendThread()
>>   - test/hotspot/jtreg/serviceability/jvmti/SuspendWithObjectMonitorEnter/SuspendWithObjectMonitorEnter.java
>>   - test/hotspot/jtreg/serviceability/jvmti/SuspendWithObjectMonitorEnter/libSuspendWithObjectMonitorEnter.cpp
>> 
>> - ObjectMonitor wait() with SuspendThread
>>   - test/hotspot/jtreg/serviceability/jvmti/SuspendWithObjectMonitorWait/SuspendWithObjectMonitorWait.java
>>   - test/hotspot/jtreg/serviceability/jvmti/SuspendWithObjectMonitorWait/libSuspendWithObjectMonitorWait.cpp
>> 
>> The Java files have a transaction diagram to show what each of the
>> threads in the test is doing.
>
> Daniel D. Daugherty has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Address lyndseyBeil, robehn and sspitsyn CR comments.

I really like simple agent code �� 

Thanks!

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Marked as reviewed by rehn (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/2899