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109 lines
3.4 KiB
109 lines
3.4 KiB
/****************************************************************************
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Copyright (c) 2010-2012 cocos2d-x.org
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Copyright (c) 2013-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2023 Xiamen Yaji Software Co., Ltd.
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http://www.cocos.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "base/RefCounted.h"
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#if CC_REF_LEAK_DETECTION
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#include <algorithm> // std::find
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#include "base/Log.h"
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#include "base/std/container/list.h"
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#endif
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namespace cc {
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#if CC_REF_LEAK_DETECTION
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static void trackRef(RefCounted *ref);
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static void untrackRef(RefCounted *ref);
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#endif
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RefCounted::RefCounted() { // NOLINT(modernize-use-equals-default)
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#if CC_REF_LEAK_DETECTION
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trackRef(this);
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#endif
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}
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RefCounted::~RefCounted() { // NOLINT(modernize-use-equals-default)
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#if CC_REF_LEAK_DETECTION
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untrackRef(this);
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#endif
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}
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void RefCounted::addRef() {
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++_referenceCount;
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}
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void RefCounted::release() {
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CC_ASSERT_GT(_referenceCount, 0);
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--_referenceCount;
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if (_referenceCount == 0) {
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delete this;
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}
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}
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unsigned int RefCounted::getRefCount() const {
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return _referenceCount;
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}
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#if CC_REF_LEAK_DETECTION
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static ccstd::list<RefCounted *> __refAllocationList;
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void RefCounted::printLeaks() {
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// Dump Ref object memory leaks
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if (__refAllocationList.empty()) {
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CC_LOG_INFO("[memory] All Ref objects successfully cleaned up (no leaks detected).\n");
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} else {
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CC_LOG_INFO("[memory] WARNING: %d Ref objects still active in memory.\n", (int)__refAllocationList.size());
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for (const auto &ref : __refAllocationList) {
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CC_ASSERT(ref);
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const char *type = typeid(*ref).name();
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CC_LOG_INFO("[memory] LEAK: Ref object '%s' still active with reference count %d.\n", (type ? type : ""), ref->getRefCount());
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}
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}
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}
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static void trackRef(RefCounted *ref) {
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CC_ASSERT(ref);
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// Create memory allocation record.
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__refAllocationList.push_back(ref);
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}
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static void untrackRef(RefCounted *ref) {
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auto iter = std::find(__refAllocationList.begin(), __refAllocationList.end(), ref);
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if (iter == __refAllocationList.end()) {
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CC_LOG_INFO("[memory] CORRUPTION: Attempting to free (%s) with invalid ref tracking record.\n", typeid(*ref).name());
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return;
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}
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__refAllocationList.erase(iter);
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}
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#endif // #if CC_REF_LEAK_DETECTION
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} // namespace cc
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