JDK-8238862 : Handshakes selective poll
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: runtime
  • Affected Version: 15
  • Priority: P4
  • Status: Open
  • Resolution: Unresolved
  • Submitted: 2020-02-11
  • Updated: 2023-01-09
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Other
tbdUnresolved
Related Reports
Relates :  
JDK-8238861 - Remove suspend_flag
Relates :  
JDK-8253180 - ZGC: Implementation of JEP 376: ZGC: Concurrent Thread-Stack Processing
Description
Future use-cases of handshake require the operation to only be executed in
certain transition. An example is the asynchronous exception which should be
delivered when going to java. Another is the stack water-mark barrier, which is
triggered when going below a certain stack-depth. Some investigation is needed
of the exact requirements.
Comments
8253180: ZGC: Implementation of JEP 376: ZGC: Concurrent Thread-Stack Processing implements the in java (JIT code/interpreter) selective polling for StackWater marks.
07-10-2020