Mercurial > hg > graal-jvmci-8
comparison src/share/vm/gc_implementation/g1/dirtyCardQueue.hpp @ 20731:42c091d63c72
8048949: Requeue queue implementation
Summary: devirtualize flush and move calls
Reviewed-by: brutisso, tschatzl, mschoene
Contributed-by: kim.barrett@oracle.com
author | tschatzl |
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date | Mon, 04 Aug 2014 10:49:40 -0400 |
parents | 8847586c9037 |
children | c2844108a708 |
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20730:8210e5f2e21b | 20731:42c091d63c72 |
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1 /* | 1 /* |
2 * Copyright (c) 2001, 2012, 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. |
44 public: | 44 public: |
45 DirtyCardQueue(PtrQueueSet* qset_, bool perm = false) : | 45 DirtyCardQueue(PtrQueueSet* qset_, bool perm = false) : |
46 // Dirty card queues are always active, so we create them with their | 46 // Dirty card queues are always active, so we create them with their |
47 // active field set to true. | 47 // active field set to true. |
48 PtrQueue(qset_, perm, true /* active */) { } | 48 PtrQueue(qset_, perm, true /* active */) { } |
49 | |
50 // Flush before destroying; queue may be used to capture pending work while | |
51 // doing something else, with auto-flush on completion. | |
52 ~DirtyCardQueue() { if (!is_permanent()) flush(); } | |
53 | |
54 // Process queue entries and release resources. | |
55 void flush() { flush_impl(); } | |
49 | 56 |
50 // Apply the closure to all elements, and reset the index to make the | 57 // Apply the closure to all elements, and reset the index to make the |
51 // buffer empty. If a closure application returns "false", return | 58 // buffer empty. If a closure application returns "false", return |
52 // "false" immediately, halting the iteration. If "consume" is true, | 59 // "false" immediately, halting the iteration. If "consume" is true, |
53 // deletes processed entries from logs. | 60 // deletes processed entries from logs. |