Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/gc_implementation/g1/satbQueue.hpp
src/share/vm/gc_implementation/g1/satbQueue.hpp
- changeset 2469
- 7e37af9d69ef
- parent 2314
- f95d63e2154a
- child 3416
- 2ace1c4ee8da
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| 2457:ffd725ff6943 | 2469:7e37af9d69ef |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved. |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | 4 * |
| 5 * This code is free software; you can redistribute it and/or modify it | 5 * This code is free software; you can redistribute it and/or modify it |
| 6 * under the terms of the GNU General Public License version 2 only, as | 6 * under the terms of the GNU General Public License version 2 only, as |
| 7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
| 31 class JavaThread; | 31 class JavaThread; |
| 32 | 32 |
| 33 // A ptrQueue whose elements are "oops", pointers to object heads. | 33 // A ptrQueue whose elements are "oops", pointers to object heads. |
| 34 class ObjPtrQueue: public PtrQueue { | 34 class ObjPtrQueue: public PtrQueue { |
| 35 public: | 35 public: |
| 36 ObjPtrQueue(PtrQueueSet* qset_, bool perm = false) : | 36 ObjPtrQueue(PtrQueueSet* qset, bool perm = false) : |
| 37 // SATB queues are only active during marking cycles. We create | 37 // SATB queues are only active during marking cycles. We create |
| 38 // them with their active field set to false. If a thread is | 38 // them with their active field set to false. If a thread is |
| 39 // created during a cycle and its SATB queue needs to be activated | 39 // created during a cycle and its SATB queue needs to be activated |
| 40 // before the thread starts running, we'll need to set its active | 40 // before the thread starts running, we'll need to set its active |
| 41 // field to true. This is done in JavaThread::initialize_queues(). | 41 // field to true. This is done in JavaThread::initialize_queues(). |
| 42 PtrQueue(qset_, perm, false /* active */) { } | 42 PtrQueue(qset, perm, false /* active */) { } |
| 43 | |
| 44 // Overrides PtrQueue::should_enqueue_buffer(). See the method's | |
| 45 // definition for more information. | |
| 46 virtual bool should_enqueue_buffer(); | |
| 47 | |
| 43 // Apply the closure to all elements, and reset the index to make the | 48 // Apply the closure to all elements, and reset the index to make the |
| 44 // buffer empty. | 49 // buffer empty. |
| 45 void apply_closure(ObjectClosure* cl); | 50 void apply_closure(ObjectClosure* cl); |
| 46 | 51 |
| 47 // Apply the closure to all elements of "buf", down to "index" (inclusive.) | 52 // Apply the closure to all elements of "buf", down to "index" (inclusive.) |
