RFR: 8259242: Remove ProtectionDomainSet_lock [v3]

[Coleen Phillimore]

On Fri, 9 Apr 2021 01:44:41 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Make ProtectionDomainEntry delete list global and set a threshold for deletions before handshaking. Fix if to when.
>
> src/hotspot/share/classfile/dictionary.cpp line 148:
> 
>> 146:          "can only be called by a JavaThread or at safepoint");
>> 147:   // This cannot safepoint while reading the protection domain set.
>> 148:   NoSafepointVerifier nsv;
> 
> Does this implicitly also mean NoHandshakeVerifier? Or do we need a seperate NHV?

It does mean the same thing in that we check for handshakes where we'd check for safepoints, and that what NSV detects.

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PR: https://git.openjdk.java.net/jdk/pull/3362