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comparison src/share/vm/gc_implementation/g1/ptrQueue.hpp @ 20804:7848fc12602b

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Merge with jdk8u40-b25
author Gilles Duboscq <gilles.m.duboscq@oracle.com>
date Tue, 07 Apr 2015 14:58:49 +0200
parents 89152779163c 42c091d63c72
children
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20184:84105dcdb05b 20804:7848fc12602b
1 /* 1 /*
2 * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2001, 2014, 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.
63 63
64 // If there is a lock associated with this buffer, this is that lock. 64 // If there is a lock associated with this buffer, this is that lock.
65 Mutex* _lock; 65 Mutex* _lock;
66 66
67 PtrQueueSet* qset() { return _qset; } 67 PtrQueueSet* qset() { return _qset; }
68 bool is_permanent() const { return _perm; }
69
70 // Process queue entries and release resources, if not permanent.
71 void flush_impl();
68 72
69 public: 73 public:
70 // Initialize this queue to contain a null buffer, and be part of the 74 // Initialize this queue to contain a null buffer, and be part of the
71 // given PtrQueueSet. 75 // given PtrQueueSet.
72 PtrQueue(PtrQueueSet* qset, bool perm = false, bool active = false); 76 PtrQueue(PtrQueueSet* qset, bool perm = false, bool active = false);
73 // Release any contained resources. 77
74 virtual void flush(); 78 // Requires queue flushed or permanent.
75 // Calls flush() when destroyed. 79 ~PtrQueue();
76 ~PtrQueue() { flush(); }
77 80
78 // Associate a lock with a ptr queue. 81 // Associate a lock with a ptr queue.
79 void set_lock(Mutex* lock) { _lock = lock; } 82 void set_lock(Mutex* lock) { _lock = lock; }
80 83
81 void reset() { if (_buf != NULL) _index = _sz; } 84 void reset() { if (_buf != NULL) _index = _sz; }