src/share/vm/gc/shared/collectedHeap.hpp

rev 13387 : [mq]: parallel_sp_cleaning.patch

*** 599,633 ****
    virtual void verify(VerifyOption option) = 0;
  
    // Accumulate additional statistics from GCLABs.
    virtual void accumulate_statistics_all_gclabs();
  
-   // Return true if GC supports per-thread monitor deflation.
-   // In this case, idle monitors will not get deflated when entering
-   // a safepoint, but instead will get deflated when the GC
-   // calls into Thread::oops_do() or Thread::possibly_parallel_oops_do().
-   // This allows for better parallelization and cache behaviour.
-   //
-   // NOTICE that monitor deflation requires the mark words to be intact,
-   // which means that this can only be supported by GCs that don't stow
-   // away the mark word in order to temporarily store a forwarding pointer
-   // to it.
-   virtual bool supports_per_thread_monitor_deflation() const {
-     return false;
-   }
- 
-   // This is called by ObjectSynchronizer::deflate_idle_monitors() when
-   // the above supports_per_thread_monitor_deflation() returns false,
-   // or on special non-GC cleanup safepoints (even if the above returns true).
-   // It gives the GC a chance to deflate idle monitors using its GC worker
-   // threads, and thus support parallelization of monitor deflation.
-   // The default implementation simply deflates idle monitors single-threaded,
-   // using the calling (VM) thread.
-   virtual void deflate_idle_monitors_all_threads();
- 
-   void parallel_deflate_idle_monitors(WorkGang* workers);
- 
    // Non product verification and debugging.
  #ifndef PRODUCT
    // Support for PromotionFailureALot.  Return true if it's time to cause a
    // promotion failure.  The no-argument version uses
    // this->_promotion_failure_alot_count as the counter.
--- 599,608 ----