Distinguish between GC thread rendezvous and rendezvous for safepoint

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    • Type: Enhancement
    • Resolution: Unresolved
    • Priority: P4
    • tbd
    • Affects Version/s: None
    • Component/s: hotspot
    • None
    • gc

      CollectedHeap has the API to inform the collector about an impending safepoint, safepoint_synchronize_begin/end.

      Since JDK-8320304, this API is used to synchronize without the intent of a safepoint. This has been okay as long collectors did not distinguish between those, apart from the misnaming of the API itself.

      With JDK-8342382 G1 needs to distinguish between those.

            Assignee:
            Thomas Schatzl
            Reporter:
            Thomas Schatzl
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              Created:
              Updated: