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src/hotspot/share/gc/shared/collectedHeap.hpp
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rev 59026 : jmap baseline
@@ -27,10 +27,11 @@
#include "gc/shared/gcCause.hpp"
#include "gc/shared/gcWhen.hpp"
#include "gc/shared/verifyOption.hpp"
#include "memory/allocation.hpp"
+#include "memory/heapInspection.hpp"
#include "runtime/handles.hpp"
#include "runtime/perfData.hpp"
#include "runtime/safepoint.hpp"
#include "services/memoryUsage.hpp"
#include "utilities/debug.hpp"
@@ -41,10 +42,11 @@
// A "CollectedHeap" is an implementation of a java heap for HotSpot. This
// is an abstract class: there may be many different kinds of heaps. This
// class defines the functions that a heap must implement, and contains
// infrastructure common to all heaps.
+class AbstractGangTask;
class AdaptiveSizePolicy;
class BarrierSet;
class GCHeapSummary;
class GCTimer;
class GCTracer;
@@ -82,10 +84,15 @@
void log_heap_after(CollectedHeap* heap) {
log_heap(heap, false);
}
};
+class ParallelObjectIterator : public CHeapObj<mtGC> {
+public:
+ virtual void object_iterate(ObjectClosure* cl, uint worker_id) = 0;
+};
+
//
// CollectedHeap
// GenCollectedHeap
// SerialHeap
// G1CollectedHeap
@@ -384,10 +391,17 @@
virtual GrowableArray<MemoryPool*> memory_pools() = 0;
// Iterate over all objects, calling "cl.do_object" on each.
virtual void object_iterate(ObjectClosure* cl) = 0;
+ virtual ParallelObjectIterator* parallel_object_iterator(uint thread_num) {
+ return NULL;
+ }
+
+ // Run given task. Possibly in parallel if the GC supports it.
+ virtual void run_task(AbstractGangTask* task) = 0;
+
// Keep alive an object that was loaded with AS_NO_KEEPALIVE.
virtual void keep_alive(oop obj) {}
// Returns the longest time (in ms) that has elapsed since the last
// time that any part of the heap was examined by a garbage collection.
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