src/hotspot/share/gc/g1/g1CollectedHeap.hpp

rev 53920 : [mq]: 8218880-g1-crashes-periodic-gc-gclocker

*** 1059,1068 ****
--- 1059,1073 ----
    // Perform a collection of the heap; intended for use in implementing
    // "System.gc".  This probably implies as full a collection as the
    // "CollectedHeap" supports.
    virtual void collect(GCCause::Cause cause);
  
+   // Perform a collection of the heap with the given cause; if the VM operation
+   // fails to execute for any reason, retry only if retry_on_vmop_failure is set.
+   // Returns whether this collection attempt actually executed.
+   bool attempt_collect(GCCause::Cause cause, bool retry_on_vmop_failure);
+ 
    // True iff an evacuation has failed in the most-recent collection.
    bool evacuation_failed() { return _evacuation_failed; }
  
    void remove_from_old_sets(const uint old_regions_removed, const uint humongous_regions_removed);
    void prepend_to_freelist(FreeRegionList* list);