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

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

@@ -1059,10 +1059,15 @@
   // 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);