Mercurial > hg > graal-compiler
diff src/share/vm/memory/referenceProcessor.hpp @ 14518:d8041d695d19
Merged with jdk9/dev/hotspot changeset 3812c088b945
author | twisti |
---|---|
date | Tue, 11 Mar 2014 18:45:59 -0700 |
parents | f22cbff51c12 2cff20331ca2 |
children | 4ca6dc0799b6 |
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--- a/src/share/vm/memory/referenceProcessor.hpp Wed Mar 12 00:00:05 2014 +0100 +++ b/src/share/vm/memory/referenceProcessor.hpp Tue Mar 11 18:45:59 2014 -0700 @@ -99,6 +99,7 @@ oop _referent; OopClosure* _keep_alive; BoolObjectClosure* _is_alive; + bool _discovered_list_needs_post_barrier; DEBUG_ONLY( oop _first_seen; // cyclic linked list check @@ -112,7 +113,8 @@ public: inline DiscoveredListIterator(DiscoveredList& refs_list, OopClosure* keep_alive, - BoolObjectClosure* is_alive): + BoolObjectClosure* is_alive, + bool discovered_list_needs_post_barrier = false): _refs_list(refs_list), _prev_next(refs_list.adr_head()), _prev(NULL), @@ -126,7 +128,8 @@ #endif _next(NULL), _keep_alive(keep_alive), - _is_alive(is_alive) + _is_alive(is_alive), + _discovered_list_needs_post_barrier(discovered_list_needs_post_barrier) { } // End Of List. @@ -228,14 +231,13 @@ bool _discovery_is_mt; // true if reference discovery is MT. // If true, setting "next" field of a discovered refs list requires - // write barrier(s). (Must be true if used in a collector in which + // write post barrier. (Must be true if used in a collector in which // elements of a discovered list may be moved during discovery: for // example, a collector like Garbage-First that moves objects during a // long-term concurrent marking phase that does weak reference // discovery.) - bool _discovered_list_needs_barrier; + bool _discovered_list_needs_post_barrier; - BarrierSet* _bs; // Cached copy of BarrierSet. bool _enqueuing_is_done; // true if all weak references enqueued bool _processing_is_mt; // true during phases when // reference processing is MT. @@ -381,8 +383,8 @@ protected: // Set the 'discovered' field of the given reference to - // the given value - emitting barriers depending upon - // the value of _discovered_list_needs_barrier. + // the given value - emitting post barriers depending upon + // the value of _discovered_list_needs_post_barrier. void set_discovered(oop ref, oop value); // "Preclean" the given discovered reference list @@ -420,32 +422,13 @@ void update_soft_ref_master_clock(); public: - // constructor - ReferenceProcessor(): - _span((HeapWord*)NULL, (HeapWord*)NULL), - _discovered_refs(NULL), - _discoveredSoftRefs(NULL), _discoveredWeakRefs(NULL), - _discoveredFinalRefs(NULL), _discoveredPhantomRefs(NULL), - _discovering_refs(false), - _discovery_is_atomic(true), - _enqueuing_is_done(false), - _discovery_is_mt(false), - _discovered_list_needs_barrier(false), - _bs(NULL), - _is_alive_non_header(NULL), - _num_q(0), - _max_num_q(0), - _processing_is_mt(false), - _next_id(0) - { } - // Default parameters give you a vanilla reference processor. ReferenceProcessor(MemRegion span, bool mt_processing = false, uint mt_processing_degree = 1, bool mt_discovery = false, uint mt_discovery_degree = 1, bool atomic_discovery = true, BoolObjectClosure* is_alive_non_header = NULL, - bool discovered_list_needs_barrier = false); + bool discovered_list_needs_post_barrier = false); // RefDiscoveryPolicy values enum DiscoveryPolicy { @@ -494,7 +477,7 @@ bool processing_is_mt() const { return _processing_is_mt; } void set_mt_processing(bool mt) { _processing_is_mt = mt; } - // whether all enqueuing of weak references is complete + // whether all enqueueing of weak references is complete bool enqueuing_is_done() { return _enqueuing_is_done; } void set_enqueuing_is_done(bool v) { _enqueuing_is_done = v; }