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comparison src/share/vm/gc_implementation/g1/ptrQueue.cpp @ 20731:42c091d63c72

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8048949: Requeue queue implementation Summary: devirtualize flush and move calls Reviewed-by: brutisso, tschatzl, mschoene Contributed-by: kim.barrett@oracle.com
author tschatzl
date Mon, 04 Aug 2014 10:49:40 -0400
parents 55fb97c4c58d
children 7848fc12602b
comparison
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20730:8210e5f2e21b 20731:42c091d63c72
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.
29 #include "runtime/mutex.hpp" 29 #include "runtime/mutex.hpp"
30 #include "runtime/mutexLocker.hpp" 30 #include "runtime/mutexLocker.hpp"
31 #include "runtime/thread.inline.hpp" 31 #include "runtime/thread.inline.hpp"
32 32
33 PtrQueue::PtrQueue(PtrQueueSet* qset, bool perm, bool active) : 33 PtrQueue::PtrQueue(PtrQueueSet* qset, bool perm, bool active) :
34 _qset(qset), _buf(NULL), _index(0), _active(active), 34 _qset(qset), _buf(NULL), _index(0), _sz(0), _active(active),
35 _perm(perm), _lock(NULL) 35 _perm(perm), _lock(NULL)
36 {} 36 {}
37 37
38 void PtrQueue::flush() { 38 PtrQueue::~PtrQueue() {
39 assert(_perm || (_buf == NULL), "queue must be flushed before delete");
40 }
41
42 void PtrQueue::flush_impl() {
39 if (!_perm && _buf != NULL) { 43 if (!_perm && _buf != NULL) {
40 if (_index == _sz) { 44 if (_index == _sz) {
41 // No work to do. 45 // No work to do.
42 qset()->deallocate_buffer(_buf); 46 qset()->deallocate_buffer(_buf);
43 } else { 47 } else {