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This commit is contained in:
John Coomes 2010-10-08 09:29:09 -07:00
commit cdc9022728
65 changed files with 1597 additions and 714 deletions
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9
hotspot/src/share/vm/memory/referenceProcessor.hpp
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@ -85,8 +85,10 @@ class ReferenceProcessor : public CHeapObj {
// The discovered ref lists themselves
// The MT'ness degree of the queues below
// The active MT'ness degree of the queues below
int _num_q;
// The maximum MT'ness degree of the queues below
int _max_num_q;
// Arrays of lists of oops, one per thread
DiscoveredList* _discoveredSoftRefs;
DiscoveredList* _discoveredWeakRefs;
@ -95,6 +97,7 @@ class ReferenceProcessor : public CHeapObj {
public:
int num_q() { return _num_q; }
void set_mt_degree(int v) { _num_q = v; }
DiscoveredList* discovered_soft_refs() { return _discoveredSoftRefs; }
static oop sentinel_ref() { return _sentinelRef; }
static oop* adr_sentinel_ref() { return &_sentinelRef; }
@ -244,6 +247,7 @@ class ReferenceProcessor : public CHeapObj {
_bs(NULL),
_is_alive_non_header(NULL),
_num_q(0),
_max_num_q(0),
_processing_is_mt(false),
_next_id(0)
{}
@ -312,6 +316,9 @@ class ReferenceProcessor : public CHeapObj {
void weak_oops_do(OopClosure* f); // weak roots
static void oops_do(OopClosure* f); // strong root(s)
// Balance each of the discovered lists.
void balance_all_queues();
// Discover a Reference object, using appropriate discovery criteria
bool discover_reference(oop obj, ReferenceType rt);